Curriculum Vitae for MERCEDES T. RICHARDS

Transcription

1 Curriculum Vitae for MERCEDES T. RICHARDS Work Address: Department of Astronomy & Astrophysics, Penn State University, 525 Davey Lab, University Park, PA Telephone: (814) (office); (814) (fax) address: Web address: Education Ph.D., 1986, Astronomy, University of Toronto M.Sc., 1979, Astronomy, York University B.Sc., 1977, Physics, University of the West Indies Graduate Awards: University of the West Indies Graduate Scholarship, ; York University Scholarship, ; University of Toronto Doctoral Fellowship, ; Frank Hogg Fellowship, ; C. A. Chant Fellowship, ; Carl Reinhardt Fellowship, Academic Positions 2003 : Assistant Head, Department of Astronomy & Astrophysics, Penn State University 2002 : Professor, Department of Astronomy & Astrophysics, Penn State University : Visiting Scientist, Institute for Advanced Study, Princeton : Professor, Department of Astronomy, University of Virginia : Associate Professor, Department of Astronomy, University of Virginia : Assistant Professor, Department of Astronomy, University of Virginia : Visiting Scholar, Dept. of Physics & Astronomy, U. North Carolina, Chapel Hill : Teaching Assistant, Department of Astronomy, University of Toronto, Canada : Research/Teaching Assistant, Centre for Research in Earth & Space Science, York University Academic Service Positions : Nominating Committee, American Astronomical Society : Organizing Committee, IAU Commission 42 (Division V, Binary Stars) 2004 now : Harlow Shapley Visiting Lecturer, American Astronomical Society 2002 now : Board of Advisors, Caribbean Institute of Astronomy (CARINA), University of the West Indies : Committee on the Status of Minorities in Astronomy, American Astronomical Society Main Research Interests Multiwavelength spectroscopy of Algols and RS CVn binaries; Magnetic activity in cool stars; Hydrodynamic simulations of interacting binaries; Doppler tomography of interacting binaries Memberships American Astronomical Society (since 1982), Astronomical Society of the Pacific (since 1992), Association for Women in Science (since 1981), International Astronomical Union (Division V, Commission 42: Close Binary Stars; since 1992), Phi Eta Sigma National Honor Society (since 2005)

2 2 Refereed Articles and Conference Proceedings PUBLICATIONS 1. Davis, M. T., Weller, W. W., & Jeffers, S. 1978, "Spectrophotometry of Nova Cygni 1975," Eighth Annual Symposium on Experimental Space Science, York University, Toronto, p Richards, M. T., Mochnacki, S. W., & Bolton, C. T. 1988,"Nonsimultaneous Multicolor Light-Curve Analysis of Algol (! Persei)," Astron. J., 96, Richards, M. T., Bolton, C. T., & Mochnacki, S. W. 1989,"A New Model for Algol (! Persei)," Space Sci. Rev., 50, Richards, M. T. 1989, "Starspot Activity in Algol," in Sixth Cambridge Workshop on Cool Stars, Stellar Systems and the Sun, ed. G. Wallerstein, ASP Conf. Ser., Vol. 9 (San Francisco: ASP), Richards, M. T. 1990, "The RS Canum Venaticorum Characteristics of the Infrared Light Curves of Algol," Astrophys. J., 350, Richards, M. T. 1992, "Magnetic Activity in Algol-type Binaries," in Seventh Cambridge Workshop on Cool Stars, Stellar Systems and the Sun, ed. M. Giampapa and J. Bookbinder, ASP Conf. Ser., Vol. 26 (San Francisco: ASP), Richards, M. T. 1992, "Consequences of the Star-Stream Interaction in Algol," Astrophys. J., 387, Richards, M. T. 1993, "Circumstellar Material in Algol: A Study of the Balmer Line Profiles," Astrophys. J. Suppl., 86, Richards, M. T., & Albright, G. E. 1993, "Evidence of Magnetic Activity in Short-period Algol Binaries," Astrophys. J. Suppl., 88, Albright, G. E., & Richards, M. T. 1993, "Circumstellar Material in TX Ursae Majoris," Astrophys. J., 414, Richards, M. T., & Albright, G. E. 1994, "Facilities for Infrared Photometry and Spectroscopy of Shortperiod Algols," in Optical Astronomy From The Earth and Moon, ed. D. M. Pyper and R. J. Angione, ASP Conf. Ser., Vol. 55 (San Francisco: ASP), Richards, M. T., & Albright, G. E. 1994, "Full-orbit Spectroscopy of Nine Short-period Algols," in Interacting Binary Stars, ed. A. W. Shafter, ASP Conf. Ser., Vol. 56 (San Francisco: ASP), Albright, G. E., & Richards, M. T. 1994, "Evidence of Mass Transfer in TX UMa," in Interacting Binary Stars, ed. A. W. Shafter, ASP Conf. Ser., Vol. 56 (San Francisco: ASP), Richards, M., Jones, R., Swain, M., Mattson, C., & Albright, G. 1994, "Doppler Tomography of Accretion Regions in Algols," in Proceedings of Circumstellar Matter, An International Conference in Celebration of the Centenary of the Royal Observatory Edinburgh, ed. G. Watt., p Richards, M. T., Albright, G. E., Bowles, L. M. 1995, "Doppler Tomography of the Gas Stream in Shortperiod Algol Binaries," Astrophys. J. Letters, 438, L103 L Albright, G. E., & Richards, M. T. 1995, "The Transient Accretion Disk in the Algol-type Binary U Sagittae," Astrophys. J., 441, Blondin, J. M., Richards, M. T., & Malinkowski, M. 1995, "Hydrodynamic Simulations of the Mass Transfer in Algol," Astrophys. J., 445,

3 3 18. Richards, M. T. 1995, "The Structure of Accretion Regions in Algols," in Proceedings of the XXI Day of Scientific Lectures and 17th Annual Meeting of the National Society of Black Physicists, Rutgers University, New Jersey, p Richards, M. T., Albright, G. E., & Bowles, L. M. 1995, "Doppler Tomography of Accretion Regions in Algols," Astrophys. Space Sci., 224, Albright, G. E., & Richards, M. T. 1995, "Circumstellar Matter in Direct Impact Algol Systems," Astrophys. Space Sci., 224, Richards, M. T., Jones, R. D., & Swain, M. A. 1996, "Doppler Tomography and S-wave Analysis of Circumstellar Gas in! Persei," Astrophys. J., 459, , and color Plate Albright, G. E., & Richards, M. T. 1996, "Doppler Tomography of Accretion Disks in Algol Binaries," Astrophys. J. Letters, 459, L99 102, and color Plate L Richards, M. T., & Albright, G. E. 1996, "Doppler Tomography of Chromospheres and Accretion Regions in Algol Binaries," in Stellar Surface Structure, ed. K. Strassmeier and J. Linsky (Dordrecht: Kluwer), Ratliff, M. A., & Richards, M. T. 1997, "Hydrodynamical Simulations of H" Emission in Algol binaries," in Accretion Phenomena and Related Outflows, ed. D. Wickramasinghe, G. Bicknell & L. Ferrario, ASP Conf. Ser., Vol. 121 (San Francisco: ASP), Richards, M. T., & Ratliff, M. A. 1998, "Hydrodynamic Simulations of H" Emission in Algol Binaries," Astrophys. J., 493, and color Plate Koubsky, P., Richards, M. T., & Simon, V. 1998, "Circumstellar Matter in the Interacting Binary CX Draconis," in Proceedings of the 20th Stellar Conference of the Czech and Slovak Astronomical Institutes, Brno, Czech Republic, eds. J. Dusek and M. Zejda, Koubsky, P., Harmanec, P., Bozic, H., Percy, J. R., Ziznovsky, J., Huang, L., Richards, M. T., Hadrava, P., & Simon, V. 1998, "Spectroscopy and Photometry of the Interacting Binary CX Draconis - Evidence for Circumstellar Matter," Hvar Observatory Bull., 22, Richards, M. T., Waltman, E. B., Foster, R. S., & Ghigo, F. 1998, "Flaring Activity Cycles in! Per and HR 1099 from a 2GHz and 8GHz Radio Survey," in Tenth Cambridge Workshop on Cool Stars, Stellar Systems, and the Sun, eds. R.A. Donahue & J.A. Bookbinder, ASP Conf. Ser., Vol. 154 (San Francisco: ASP), Richards, M. T., & Russell, S. 1998, "Dependence of Radio Flaring Activity on Orbital Phase in Archival Observations of Algol-type and RS CVn Binaries," in Tenth Cambridge Workshop on Cool Stars, Stellar Systems, and the Sun, eds. R.A. Donahue & J.A. Bookbinder, ASP Conf. Ser., Vol. 154 (San Francisco: ASP), Richards, M. T., & Rosolowsky, E. W. 1998, "Doppler Tomography of Ultraviolet Spectra of HR 1099," in Tenth Cambridge Workshop on Cool Stars, Stellar Systems, and the Sun, eds. R.A. Donahue & J.A. Bookbinder, ASP Conf. Ser., Vol. 154 (San Francisco: ASP), Kempner, J. C., & Richards, M. T. 1999, "Analysis of the Si IV Ultraviolet Spectra of U Sagittae," Astrophys. J., 512, Richards, M. T., & Albright, G. E. 1999, "Morphologies of H" Accretion Regions in Algol Binaries," Astrophys. J. Suppl., 123,

4 4 33. Richards, M. T., Koubsky, P., Simon, V., Peters, G. J., Hirata, R., Skoda, P., & Masuda, S. 2000, "A Multiwavelength Study of Spectral Variations in the CX Draconis Binary," Astrophys. J., 531, Richards, M. T. 2000, "The Journey to Algol," Mercury, Vol. 29, No. 4, pp Richards, M. T. 2000, "The Status of the Algols," Reports on Astronomy - Transactions of the International Astronomical Union, Vol. XXIVA (Triennial Report of Commission 42, page 9), ed. J. Andersen, (Provo, Astron. Soc. Pacific), ISBN Richards, M. T. 2001, "Doppler Tomography of Eclipsing and Non-eclipsing Algols," Astrotomography: Indirect Imaging Methods in Observational Astronomy, Springer Lecture Notes in Physics Series, Vol. 573, H.M.J. Boffin, D. Steeghs, & J. Cuypers (eds.), pp (Invited Review) 37. Richards, M. T. 2001, "The Journey to Algol," Powerweb: Astronomy, Article 35 (McGraw-Hill/Dushkin: New York; pp Richards, M. T. 2003, "Images of Active Mass Transfer in Direct Impact Close Binary Systems," in 3D Stellar Structure Workshop, ASP Conference Series, Sylvain Turcotte, Stefan Keller, & Rob Cavallo (eds.), Richards, M. T., Waltman, E. B., Ghigo, F., & Richards, D. St. P. 2003, "Statistical Analysis of 5-year Continuous Radio Flare Data from! Per, V711 Tau, # Lib, and UX Ari," Astrophys. J. Suppl., 147, Richards, M. T., Waltman, E. B., Ghigo, F., & Richards, D. St. P. 2004, "Periodicities of Radio Flares in RS CVn and Algol Binaries," in Stars as Suns: Activity, Evolution, and Planets, eds. A. K. Dupree & A. O. Benz, IAU Symposium 219 (ASP), Richards, M. T. 2004, "Doppler Tomography of Algols," Astronomische Nachrichten, 325, Richards, M. T. 2004, "Time Domain Spectra of Interacting Binaries," in Proceedings of the Science With SALT II Workshop, ed. David Buckley 43. Budaj, J., & Richards, M. T. 2004, "A Description of the SHELLSPEC Code," Contrib. Astron. Obs. Skalnate Pleso, 34, Budaj, J., Iliev, I. Kh., Fenovcik, M., Barzova, I., Richards, M.T., & Geordzheva, E. 2004, "Discovery of the Secondary in the Spectrum of the SB1 System HD 861, " Information Bulletin Variable Stars, 5509, Budaj, J., & Richards, M. T. 2005, "Modeling the Spectrum of TT Hya - Algol Binary with a Disc," in IAU Symposium 224: The A-Star Puzzle, edited by J. Zverko, W. W. Weiss, J. Ziznovsky & S. J. Adelman (Cambridge University Press: Cambridge), Fenovcik, M., Budaj, J., Iliev, I., Richards, M. T., & Barzova, I. 2005, "Search for Tidally Driven Abundance Anomalies," in IAU Symposium 224: The A-Star Puzzle, edited by J. Zverko, W. W. Weiss, J. Ziznovsky & S. J. Adelman (Cambridge University Press: Cambridge), Retter, A., Richards, M. T., & Wu, K. 2005, "Evidence for Superhumps in the Radio Light Curve of the Algol Proto-type,! Persei, and a New Model for the Magnetic Activity in Algol Systems," Astrophys. J., 621, Budaj, J., Richards, M. T., & Miller, B. 2005, "A Study of Synthetic and Observed H" Spectra of TT Hydrae," Astrophys. J., 623,

5 5 49. Richards, M. (chair) & Morales Rueda, L. (co-chair), Collier Cameron, A., Schwope, A. & Vrielmann, S. (eds.) 2005, "Astrotomography,'' Report on Joint Discussion 9: Astrotomography, in IAU Highlights, Vol. 13, Kang, T. W., Retter, A., Liu, A., & Richards, M. T. 2006, "Detection of Orbital and Superhump Periods in Nova V2574 Ophiuchi (2004)," Astron. J., 131, (astro-ph/ ) 51. Kang, T. W., Retter, A., Liu, A., & Richards, M. T. 2006, "Nova V4743 Sgr (2002) An Intermediate Polar, Astron. J., 132, (astro-ph/ ) 52. Iliev, I. Kh.,Budaj, J., Fenovcik, M., Stateva, I., & Richards, M. T., 2006, "Abundance Analysis of Am Binaries and Search for Tidally Driven Abundance Anomalies II. HD861, HD18778, HD20230, HD29479, HD96528, and HD108651,'' Mon. Not. Roy. Astron. Soc., 370, Agafanov, M., Richards, M. T., & Sharova, O. 2006, "Three-Dimensional Doppler Tomogram of Gas Flows in the Algol-type Binary U Coronae Borealis," Astrophys. J., 652, Rogers, M. L., Richards, M. T., & Richards, D. St. P. 2006, "Long-term Variability in the Length of the Solar Cycle," astro-ph/ Miller, B., Budaj, J., Richards, M. T., Koubsky, P., & Peters, G. J. 2007, "Revealing the Nature of Algol Disks through Optical and UV Spectroscopy, Synthetic Spectra, and Tomography of TT Hydrae," Astrophys. J., 656, (astro-ph/ ) 56. Richards, M. T. 2007, "Doppler Tomography of Accretion Disks and Streams in Close Binaries," IAU Symposium 240, Binary Stars as Critical Tools & Tests in Contemporary Astrophysics, W. Hartkopf, E. Guinan, & P. Harmanec (eds.), (Invited Review) 57. Agafanov, M., Sharova, O., & Richards, M. T. 2007, "Three-dimensional Doppler Tomograms and Detection of Motions Beyond the Orbital Plane in Close Binary Systems," Astronomical & Astrophysical Transactions, 26, Uytterhoeven, K., Koubsky, P., Harmanec, P., Telting, J. H., Yang, S., Richards, M. T., & Ilyin, I. 2008, "Evidence for Rapid Variability in the Multiple System 68 u Her," in Proc. ESO Workshop on Multiple Stars Across the H-R Diagram, Agafanov, M., Sharova, O., & Richards, M. T. 2008, "Three-Dimensional Doppler Images of the Disk-like and Stream-like States of U Coronae Borealis," Astrophys. J., submitted (astro-ph/ ) 60. Agafanov, M., Richards, M. T., & Sharova, O. 2008, "Three-Dimensional Doppler Images of the Tilted Gas Stream in RS Vulpeculae," in preparation 61. Richards, M. T., Miller, B., Budaj, J., & Peters, G. J. 2007, "A Multidimensional Study of AU Mon," Astrophys. J., in preparation 62. Richards, M. T. 2007, "Elliptical Accretion Disks in the Algols, " in preparation 63. Richards, M. T. & Rogers, M. L. 2007, "Properties of the Shock Region in Direct Impact Algol Binaries," Astrophys. J., in preparation 64. Richards, M. T., & Rogers, M. L. 2007, "Magnetic Cycles in! Per and V711 Tau from Circularly Polarized Data," in preparation

6 6 Abstracts 65. Richards, M. T., Bolton, C. T., & Mochnacki, S. W. 1987, "The Effective Temperature of Algol C," Bull. Am. Astron. Soc., 19, Richards, M. T. 1990, "A Transient Accretion Disk in! Persei," Bull. Am. Astron. Soc., 22, Richards, M. T. 1992, "Effects of Direct-Impact Accretion in Close Interacting Binaries," Bull. Am. Astron. Soc., 24, Albright, G. E., Richards, M. T., & Guinan, E. F. 1992, "Full-orbit H" Spectroscopy of Short-period Algols," Bull. Am. Astron. Soc., 24, Jones, R. D., & Richards, M. T. 1992, "Doppler Analysis of Circumstellar Emission in! Persei," Bull. Am. Astron. Soc., 24, Malinkowski, M., Etheridge, M., Blondin, J. M., & Richards, M. T. 1993, "Hydrodynamic Simulations of Mass Transfer in Algol," Bull. Am. Astron. Soc., 25, Albright, G. E., & Richards, M. T. 1993, "Transient Accretion Disk in the Algol-type Binary U Sagittae," Bull. Am. Astron. Soc., 25, Richards, M. T., Albright, G. E., & Bowles, L. M. 1994, "Doppler Tomography of Accretion Regions in Algol Binaries," Bull. Am. Astron. Soc., 26, Albright, G. E., & Richards, M. T. 1994, "Accretion Regions in Direct-Impact Algol Binaries," Bull. Am. Astron. Soc., 26, Ratliff, M. A., & Richards, M. T. 1995, "Hydrodynamical Simulations of H" Emission in Algol Binaries," Bull. Am. Astron. Soc., 27, Rosolowsky, E. W., & Richards, M. T. 1996, "Doppler Tomography of Ultraviolet Spectra of the RS CVn Binary HR 1099," Bull. Am. Astron. Soc., 28, Soinski, T. L., & Richards, M. T. 2002, "The Long-term Characteristics of Radio Flares from V711 Tau,! Per and UX Ari," Bull. Am. Astron. Soc., 34, Richards, M. T., Waltman, E. B., & Ghigo, F. 2002, "Statistical Analysis of Continuous Radio Flare Data from RS CVn and Algol-type Binaries," Bull. Am. Astron. Soc., 34, Budaj, J., & Richards, M. T. 2004, "A New Code for Calculating Synthetic Spectra of Interacting Binaries," Bull. Am. Astron. Soc., 36, 741, No Miller, B. P., Richards, M. T., & Budaj, J. 2004, "Analysis of Simultaneous Optical and Radio Data from V711 Tau and! Per," Bull. Am. Astron. Soc., 36, 745, No Richards, M. T., & Rogers, M. L. 2004, "Flaring Cycles in! Per and V711 Tau from Circularly Polarized Data," Bull. Am. Astron. Soc., 36, 745, No Rogers, M. L., & Richards, M. T. 2004, "Periodogram Analysis of Sunspot Numbers and Areas," Bull. Am. Astron. Soc., 36, 670, No Richards, M. T., Retter, A., & Wu, K. 2004, "Evidence for Superhumps in the Radio Light Curve of the Algol and a New Model for the Magnetic Activity in Algol Systems," Bull. Am. Astron. Soc., 36, 1526, No

7 7 83. Budaj, J., Miller, B. P., Richards, M.T., & Koubsky, P. 2005, "Analysis of Synthetic and Observed UV and Optical Spectra of TT Hya," Bull. Am. Astron. Soc., 37, 439, No Miller, B. P., Budaj, J., & Richards, M.T. 2005, "Multiwavelength Spectra of AU Mon," Bull. Am. Astron. Soc., 37, 486, No Rogers, M. L., & Richards, M.T. 2005, "Properties of the Shock Region in Direct Impact Algols," Bull. Am. Astron. Soc., 37, 487, No Kang, T. W., Retter, A., Liu, A., & Richards, M. T. 2005, "Detection of Orbital and Superhump Periods in Nova Ophiuchi 2004,'' Bull. Am. Astron. Soc., 37, 1275, No Richards, M. T., Kang, T. W., Retter, A., & Liu, A. 2005, "Nova Sagittarii 2002: An Intermediate Polar Candidate,'' Bull. Am. Astron. Soc., 37, 1277, No Zavala, R., Boboltz, D., Hutter, D., Ojha, R., Richards, M., Shaffer, D., & Tycner, C. 2007, "Simultaneous Optical and Radio Imaging and Optical Spectroscopy of the Algol Triple System,'' Bull. Am. Astron. Soc., Vol. 38, No Related Articles 89. "Algol: A Closer Look," 1992, Sky & Telescope, 84, "Imaging Accretion the Coude Way," 1995, National Optical Astron. Observatory Newsletter, 42, "Stellar Gas Streams," 1995, Sky & Telescope, 90, Theses and Technical Reports 92. Davis, M. T. 1979, "Nova Cygni 1975," M.Sc. thesis, York University. 93. Davis, M. T., Jeffers, S., & Weller, W. W. 1980, "Nova Cygni 1975: The Balmer Lines," Technical Report, York University 94. Richards, M. T. 1986, "Circumstellar Material in the Algol System," Ph.D. thesis, University of Toronto. 95. Richards, M. T. 1988, "A Differential Corrections Program for Eclipsing Binary Light Curves," Technical Report, University of Virginia Books 96. Chen, A. A., McMorris, M. N., Chin, P. N., Charoo, H., ( Richards) Davis, M. T., Dutta, S., Grabowski, S., Honegan, F. C., McCluskey, R. E., & Springer, C. D. 1976, Supplement to the Physics Teacher's Guide for the Caribbean, (A Regional Project of the Organization of American States), University of the West Indies (350 pages). 97. Richards, M. T. (editor) 1998, Astronomy 313/511 Observatory Handbook, (Charlottesville: P.S. Publishing, University of Virginia), 6 editions: (189 pages). 98. Richards, M. T. 1998, Lecture Notes on Binary Star Systems, A Graduate Course (148 pages).

8 8 Posters and Other Presentations at Meetings 1. "A New Model for Algol (! Persei)," 107th Colloquium of the International Astronomical Union, Sydney, British Columbia, Canada, August 15-19, "Starspot Activity in Algol," Sixth Cambridge Workshop on Cool Stars, Stellar Systems and the Sun, Seattle, Washington, September 11-14, "Magnetic Activity in Algol-type Binaries," Seventh Cambridge Workshop on Cool Stars, Stellar Systems and the Sun, Tucson, Arizona, October 9-12, "Effects of Direct-impact Accretion in Close Interacting Binaries," 180th Meeting of the American Astronomical Society (AAS), Columbus, Ohio, June 7-11, "Full-orbit H" Spectroscopy of Short-period Algols," 180th AAS Meeting, Columbus, Ohio, June 7-11, "Doppler Analysis of Circumstellar Emission in! Persei," 180th AAS Meeting, Columbus, Ohio, June 7-11, "Evidence of Mass Transfer in TX UMa," Astronomical Society of the Pacific (ASP) Symposium on Interacting Binary Stars, San Diego, California, July 11-15, "Full-orbit Spectroscopy of Nine Short-period Algols," ASP Symposium on Interacting Binary Stars, San Diego, California, July 11-15, "Facilities for Infrared Photometry and Spectroscopy of Short-period Algols," ASP Symposium on Optical Astronomy From the Earth and Moon, San Diego, California, July 11-15, "Doppler Tomography of Accretion Regions in Algols," International Conference to Celebrate the Centenary of the Royal Observatory, Edinburgh, on Circumstellar Matter, Edinburgh, Scotland, August 29 - September 2, "Circumstellar Matter in Direct-impact Algol Systems," International Conference to Celebrate the Centenary of the Royal Observatory, Edinburgh, on Circumstellar Matter, Edinburgh, Scotland, August 29 - September 2, "Doppler Tomography of Accretion Regions in Algol Binaries," 185th AAS Meeting, Tucson, Arizona, January 8-12, "Accretion Regions in Direct-impact Algol Binaries," 185th AAS Meeting, Tucson, Arizona, January 8-12, "Hydrodynamical Simulations of H" Emission in Algol binaries," 187th AAS Meeting, San Antonio, Texas, January 14-18, "Hydrodynamical Simulations of H" Emission in Algol binaries," IAU Colloquium 163 on Accretion Phenomena and Related Outflows, Port Douglas, Queensland, New Zealand, July 15-19, 1996 (with M. Ratliff). 16. "Doppler Tomography of Ultraviolet Spectra of the RS CVn Binary HR 1099," 189th AAS Meeting, Toronto, Canada, January 12-16, "Flaring Activity Cycles in! Per and HR 1099 from a 2GHz and 8GHz Radio Survey," Tenth Cambridge Workshop on Cool Stars, Stellar Systems, and the Sun, Cambridge, Massachusetts, July 15-19, 1997.

9 9 18. "Doppler Tomography of Ultraviolet Spectra of HR 1099," Tenth Cambridge Workshop on Cool Stars, Stellar Systems, and the Sun, Cambridge, Massachusetts, July 15-19, "Dependence of Radio Flaring Activity on Orbital Phase in Archival Observations of Algol-type and RS CVn Binaries," Tenth Cambridge Workshop on Cool Stars, Stellar Systems, and the Sun, Cambridge, Massachusetts, July 15-19, "The Long-term Characteristics of Radio Flares from V711 Tau,! Per and UX Ari," 200th AAS Meeting, Albuquerque, New Mexico, June 3, "Statistical Analysis of Continuous Radio Flare Data from RS CVn and Algol-type Binaries," 200th AAS Meeting, Albuquerque, New Mexico, June 3, "Images of Active Mass Transfer in Direct Impact Close Binary Systems," 3D Stellar Structure Workshop, University of California at Davis and Lawrence Livermore National Laboratory, Livermore, California, July 22-26, "Periodicities of Radio Flares in RS CVn and Algol Binaries," IAU Symposium 219: Stars as Suns: Activity, Evolution, and Planets, IAU General Assembly, Sydney, Australia, July 21-25, "A Description of the SHELLSPEC Code," Zdenek Kopal's Binary Star Legacy, Litomysl, Bohemia, Czech Republic, March 31- April 3, 2004 (J. Budaj & M. T. Richards). 25. "A New Code for Calculating Synthetic Spectra of Interacting Binaries," 204th AAS Meeting, Denver, Colorado, May 31, 2004 (J. Budaj & M.T. Richards). 26. "Analysis of Simultaneous Optical and Radio Data from V711 Tau and! Per," 204th AAS Meeting, Denver, Colorado, May 31, 2004 (B.P. Miller, M.T. Richards, & J. Budaj). 27. "Flaring Cycles in! Per and V711 Tau from Circularly Polarized Data," 204th AAS Meeting, Denver, Colorado, May 31, 2004 (M.T. Richards & M.L. Rogers). 28. "Periodogram Analysis of Sunspot Numbers and Areas," 204th AAS Meeting, Denver, Colorado, May 31, 2004 (M.T. Richards & M.L. Rogers). 29. "Modeling the Spectrum of TT Hya - Algol Binary with a Disc," IAU Symposium 224: The A-Star Puzzle, Poprad, Slovakia, July 8-13, 2004 (J. Budaj & M.T. Richards). 30. "Search for Tidally Driven Abundance Anomalies," IAU Symposium 224: The A-Star Puzzle, Poprad, Slovakia, July 8-13, 2004 (M. Fenovcik, J. Budaj, I. Iliev, M.T. Richards, & I. Barzova). 31. "Evidence for Superhumps in the Radio Light Curve of the Algol and a New Model for the Magnetic Activity in Algol Systems," 205th Meeting of the American Astronomical Society, San Diego, CA, January 12, 2005 (Richards, M. T., Retter, A., & Wu, K.) 32. "Modeling the Spectra of Accretion Discs in Interacting Binary Stars with SHELLSPEC," Penn State University Computational Day, University Park, PA, February 17, 2005 (J. Budaj & M.T. Richards). 33. "Modeling the Spectra of Accretion Discs in Interacting Binary Stars with SHELLSPEC," Conference on the Achievements of Stellar Astronomy, Bezovec, Slovakia, May 27-29, 2005 (J. Budaj & M.T. Richards). 34. "Analysis of Synthetic and Observed UV and Optical Spectra of TT Hya," 206th AAS Meeting, Minneapolis, MN, May 30-31, 2005 (Budaj, J., Miller, B. P., Richards, M.T., & Koubsky, P.). 35. "Multiwavelength Spectra of AU Mon," 206th AAS Meeting, Minneapolis, MN, June 1-2, 2005 (Miller, B. P., Budaj, J., & Richards, M.T.).

10 "Properties of the Shock Region in Direct Impact Algols, " 206th AAS Meeting, Minneapolis, MN, June 1-2, 2005 (Rogers, M. L., & Richards, M.T.). 37. "Evidence for Rapid Variability in the Multiple System 68 u Her," Multiple Stars across the H-R Diagram, ESO Workshop, Garching bei Munchen, Germany, July 12-15, 2005 (Koubsky, P., Harmanec, P., Richards, M. T., Telting, J. H., & Uytterhoeven, K.). 38. "Detection of Orbital and Superhump Periods in Nova Ophiuchi 2004,'' 207th AAS Meeting, Washington, D.C., January 2006 (Kang, T. W., Retter, A., Liu, A., & Richards, M. T. ). 39. "Nova Sagittarii 2002: An Intermediate Polar Candidate,'' 207th AAS Meeting, Washington, D.C., January 2006 (Richards, M. T., Kang, T. W., Retter, A., & Liu, A.). 40. "Long-term Variability in the Length of the Solar Cycle," Undergraduate Research Symposium, Department of Astronomy & Astrophysics, Penn State University, February 17, 2006 (Rogers, M. L., Richards, M. T., & Richards, D. St. P.) 41. "Detection of Orbital and Superhump Periods in Nova Ophiuchi 2004,'' Undergraduate Research Symposium, Department of Astronomy & Astrophysics, Penn State University, February 17, 2006 (Kang, T. W., Retter, A., Liu, A., & Richards, M. T.) 42. "Nova Sagittarii 2002: An Intermediate Polar Candidate,'' Undergraduate Research Symposium, Department of Astronomy & Astrophysics, Penn State University, February 17, 2006 (Richards, M. T., Kang, T. W., Retter, A., & Liu, A.) 43. "Detection of Orbital and Superhump Periods in Nova Ophiuchi 2004,'' Undergraduate Exhibition, Penn State University, April 5, 2006 (Kang, T. W., Retter, A., Liu, A., & Richards, M. T.) 44. "3D Doppler Tomograms and Registration of the Out-of-orbital motions in Close Binary Stars," Regional Astronomical conference on Close Binary Stars in Modern Astrophysics, Sternberg Astronomical Institute, Moscow, Russia, May 22-24, 2006; (Agafanov, M., Sharova, O., & Richards, M. T.). Other Meetings Attended "40 Years of X-ray Astronomy," A Workshop in honor of Gordon Garmire s 70 th birthday, Penn State University, June 14-15, 2007 Names of student co-authors Graduate students: Geary Albright, Mark Ratliff, Melanie Swain, Josh Kempner, Brendan Miller Undergraduate students: David Jones, Larissa Bowles, Caroline Mattson, Erik Rosolowsky, Scot Russell, Tiffany Soinski, Michael Rogers, Tae Kang, Derek Einsig, John Fisher, Michael Peth

11 11 Press Releases 1. Press Release entitled, " Effects of Direct-impact Accretion in Close Interacting Binaries," presented at the Annual Meeting of the American Astronomical Society in Columbus, Ohio, on June 8, Press Release entitled, "Doppler Tomography of Hot Chromospheric Gas in the HR 1099 Binary," presented at the Annual Meeting of the American Astronomical Society, Toronto, Canada, Jan. 15, Press Release entitled, "Binary Stars Flare With Predictable Cycles, Analysis of Radio Observations Reveals," presented at the Annual Meeting of the American Astronomical Society in Albuquerque, New Mexico, on June 3, Press Release entitled, "Major Flares are Predictable on Far-Away Stars, Analysis of Radio Observations Reveals," Office of Public Relations, Eberly College of Science, Penn State University, August 22, ( 5. Press Release entitled, "Richards Named Shapley lecturer by American Astronomical Society," Office of Public Information, Eberly College of Science, Penn State University, June 29, ( or

12 12 Research Grants/Awards RESEARCH 1. International Astronomical Union (IAU) grant to attend IAU Colloquium No. 107, August National Science Foundation (NSF) - Division of Astronomy grant AST for work on "The Star- Stream Interaction in Short-period Algol-type Binaries," June 1, November 30, NSF Division of Astronomy grant AST for work on "The Star-Stream Interaction in Short-period Algol-type Binaries," September 15, August 31, NSF Division of Astronomy grant AST for work on "The Star-Stream Interaction in Short-period Algol-type Binaries," March 15, February 29, Air Force Office of Scientific Research (AFOSR) grant F J-0024 for work on "Chromospheric Activity in Algol Binaries," October 1, September 30, AFOSR Augmentation Awards for Science and Engineering Research Training (AASERT) grant F for work on "Magnetic Activity in Algol-type Binaries," July 1, June 30, NASA Astrophysics Theory Program grant NAG for work on "Dynamics of Mass Transfer in Close Interacting Binaries," September 15, September 14, NSF Division of International Programs grant INT for "U.S.- Czech Astronomical Research on Morphologies of Eclipsing and Non-eclipsing Algols;" with Foreign Counterpart Investigator P. Koubsky, Astronomical Institute, Czech Academy of Sciences; June 1, May 31, NASA - ROSAT Observatory grant NAG for work on "Twilight of the Gods: The Massive, Long Period, Accreting Binary VV Cephei Enters Eclipse," with C.L. Sarazin (P.I.) and L.W. Fredrick; July 1, June 30, NSF Division of Astronomy grant AST for work on "Mass Transfer and Magnetic Activity in Eclipsing and Non-eclipsing Algols," June 15, May 31, NSF - POWRE grant AST for work on "Direct Impact Accretion in Interacting Binary Star Systems," September 1, August 31, NSF-NATO Postdoctoral Research Fellowship for Dr. Jan Budaj DGE for work on "Directed Mass Accretion Onto Stellar Surfaces," August 1, July 31, HET travel grant to participate in the "Science With SALT Workshop" in Cape Town, South Africa, October 28-31, NASA ADP grant NNG04GC48G for work on "Accretion Structures Around B Stars in Interacting Binaries," G. J. Peters (P.I.; U. Southern California) and M. Richards (Co.I.); January 1, December 31, NSF-REU Supplement to AST "Astrostatistics: Advancing Statistical Methodology for Astronomy," (P.I. G. Jogesh Babu) to support Michael Rogers and Tae Kang for work on statistical analyses of astronomy data sets, June - August NSF American Astronomical Society (AAS) International Travel Grant to attend the IAU General Assembly and IAU Symposium 240 in Prague, Czech Republic, August 19-26, International Astronomical Union (IAU) Travel grant No to attend the IAU General Assembly and IAU Symposium 240 in Prague, Czech Republic, August 19-26, 2006.

13 NSF Major Research Instrumentation (MRI) proposal entitled "Development of a Near Infrared Spectrograph to Find Warm Planets Around Cool Stars for the Hobby-Eberly Telescope: The Habitable Zone Pathfinder" to study The Spectral variability of Very Low Mass Objects and Brown Dwarfs, (Richards, faculty associate) as part of the main proposal submitted by the Department of Astronomy & Astrophysics (Ramsey, Wolszczan, Luhman & Kasting), submitted January 2007, pending. 19. NSF Division of Astronomy proposal AST for work on "3D Imaging of Gas Flows in Interacting Binaries," July 1, June 30, 2011, submitted November Observing and Supercomputing Awards 1. Pittsburgh Supercomputing Center (PSCA/NSF) grant AST P of 50 CPU hours on the Cray Y-MP supercomputer for work on "Direct Impact Accretion in Short-period Algol-type Binaries," April 3, April 15, National Solar Observatory (NSO), National Optical Astronomy Observatories (NOAO/NSF), awards NSO #1563 and #1718R of 63 nights on the 1.5m McMath telescope to study "Full-orbit H" Spectroscopy of Short-period Algol-type Binaries," Kitt Peak National Observatory (KPNO), National Optical Astronomy Observatories (NOAO/NSF), award for work on the 0.9m Coude Feed Telescope: KPNO #661: "Balmer-line Spectroscopy of Short-period Algols," 12 nights in April and May KPNO #1251 award for work on the 0.9m Coude Feed Telescope: "Simultaneous Balmer-line and IUE Spectroscopy of Short-period Algols," 7 nights in June KPNO #1490 award for work on the 0.9m Coude Feed Telescope: "Simultaneous Balmer-line, IUE and Radio Continuum Observations of Algols," 7 nights in December 1994 (with Albright - P.I., and P. Koubsky); 6. KPNO #2271 award for work on the 0.9m Coude Feed Telescope: "Simultaneous H" and Ultraviolet Spectroscopy of Non-eclipsing Algol Binaries," 8 nights in February and September 1996 (with Koubsky); 7. KPNO #2702 award for work on the 0.9m Coude Feed Telescope: "Phase Resolved H" and HeI Spectroscopy of Eclipsing and Non-eclipsing Algols," 8 nights in May and June 1997 (with Koubsky). 8. Teide Observatory, Astrophysical Institute of the Canaries observing award CAT 88-93B for work on the 1.5m Carlos Sanchez Telescope in Tenerife, Spain, "Starspot Activity on Algol Secondaries," 10 nights in February 1994 (with Albright). 9. Teide Observatory, Astrophysical Institute of the Canaries observing award CAT 88-93B for work on the 1.5m Carlos Sanchez Telescope in Tenerife, Spain, "Starspot Activity on Algol Secondaries," 49 nights in December 1994, April and May 1995 (with C. Lazaro and M. Jesus Arevallo). 10. National Radio Astronomy Observatory (NRAO/NSF) observing awards for work on the 140 ft. telescope at Green Bank, West Virginia: A-122: "Radio Survey of Flaring Events on Algol Secondaries," at 8.4 GHz; 7 nights in June and December 1994 (with Albright). 11. European Space Agency (ESA) observing award RI 023 for work on the International Ultraviolet Explorer (IUE) satellite: "Dynamics and Physical Properties of Accretion Regions in Algols," (with P. Koubsky; E. Guinan, Villanova Univ., U.S.A.; and Albright), 3 nights in June ESA observing award SI 022 for work on the IUE satellite: "Ultraviolet Spectra of Non-eclipsing Algols," (with P. Koubsky), 20 hours in September 1996.

14 Naval Research Laboratory (NRL), Office of Naval Research (ONR), 5-year observing award to study "Radio Flaring Activity in! Persei and HR 1099" with the Green Bank Interferometer (with E. B. Waltman (NRL) and F. Ghigo (NRAO)), January March 1996, November October Project funded partially by NASA-HEA from 1996 to NASA - ROSAT observing award to study "Twilight of the Gods: The Massive, Long Period, Accreting Binary VV Cephei Enters Eclipse" with the ROSAT X-ray telescope (with C. Sarazin (P.I.) and L. Fredrick; U. Virginia), December February 1997, June - August, Palomar Observatory observing award of 5 nights to study "Mid-infrared Spectra of Algol-type Binaries," with the Cornell University mid-infrared detector on the 5m Palomar Telescope; with M. Swain (P.I.), J.D. Smith, and the SCORE team, March Hobby-Eberly Telescope (HET) observing award PSU to study "Time Domain Observations of Interacting Binaries," with the high resolution spectrograph, 20 visits from October 16 - December 10, Hobby-Eberly Telescope (HET) observing award PSU to study "Multiwavelength Tomography of Disks in Eclipsing Binaries," with the high-resolution spectrograph, 25 visits from December 2, January 13, National Astronomical Observatory - Rozhen, Bulgaria (NAO) long-term observing project to study "Multiple-epoch Spectroscopy of Short-Period Algols," with the 2m telescope (Richards, M. (P.I.), Budaj, J., Iliev, I. Kh. (NAO)), August Hobby-Eberly Telescope (HET) observing proposal PSU04 with the high resolution spectrograph (HRS) to study "Spectrum Variability in Accreting Brown Dwarfs,'' on the 9m telescope (Budaj, J. (P.I.), Getman, K., Richards, M., & Feigelson, E.), HET 9m telescope observing award PSU with the medium resolution spectrograph (MRS) to study "Spectrum Variability in Accreting Brown Dwarfs,'' (Budaj, J. (P.I.), Getman, K., Richards, M., & Feigelson, E.), 2005, allocated time: 1.00 hour. 21. HET 9m telescope observing award PSU with the HRS to study "Study of an Extreme Helium sdo Star: IS Peg,'' (Budaj, J. (P.I.)), 2005, allocated time: 1.83 hours. 22. HET 9m telescope proposal PSU05 with the HRS to study "Spectrum Variability in Accreting Brown Dwarfs and Very Low Mass Stars,'' (Budaj, J. (P.I.), Getman, K., Richards, M., & Feigelson, E.), HET 9m telescope observing award PSU with the Low Resolution Spectrograph (LRS) to study "Accreting Brown Dwarfs and Very Low Mass Stars,'' (Budaj, J. (P.I.) & Richards, M.), 2006, allocated time: 2.60 hours. 24. LSST sub-proposal entitled, "Study of Variable Stars and Eclipsing Binaries with LSST," (M. Richards, P.I.), submitted 2006 August. 25. Joint VLBA, Navy Prototype Optical Interferometer (NPOI), and Lowell Observatory proposal BZ34 entitled, "Testing the Radio Emission in Algol with a Multi-epoch VLBA Observation," at 6 cm and 3.6 cm bands (R. Zavala (P.I.), D. Boboltz, D. Hutter, R. Ojha, M. Richards, D. Shaffer, C. Tycner), 2006, allocated 70 hours in 2006 October.

15 15 Outreach Proposals and Awards 1. "Recruitment of Science Undergraduates through participation in the Upward Bound Math & Science Program," Eberly College of Science, August 8, 2006 (P.I. M. Richards and D. Richards ) 2. Eberly College of Science grant for "Let s Grow Them! - Developing Space Scientists Through the UBMS Program," June 1, 2007 July 31, Penn State University Office of Educational Equity proposal entitled "Let s Grow Them! - Developing Space Scientists Through the UBMS Program," June 1, July 31, NSF ADVANCE Increasing the Participation and Advancement of Women in Academic Science and Engineering Careers proposal entitled "ADVANCE Institutional Transformation (PSU ADVANCE)," ; submitted December 2007; pending; Dr. Blannie E. Bowen, Vice Provost for Academic Affairs (P.I.) and the ADVANCE committee (led by Dr. Judith Todd). 5. Penn State University Office of Educational Equity proposal entitled "SEECoS Summer Experience in the Eberly College of Science," June 1, July 31, Other Research Proposals (submitted since 2001) 6. NASA ADP proposal entitled "A Study of the Circumstellar Material in Interacting Binaries with B- Type Primaries,'' September 1, August 31, 2004; G. J. Peters (P.I., USC) and M. Richards (Co.-I.), submitted NSF Division of Astronomy proposal AST entitled "Images of Gas Flows in Direct-Impact Binaries,'' July 1, June 30, 2006; M. Richards (P.I.), submitted November NSF Division of Astronomy proposal AST entitled "Images of Gas Flows in Direct-Impact Binaries,'' July 1, June 30, 2007; M. Richards (P.I.) and J. Budaj (Co.-I.), submitted November NSF Division of Astronomy proposal AST entitled "Modelling Synthetic Spectra of Interacting Binaries,'' July 1, June 30, 2007; M. Richards (P.I.) and J. Budaj (Co.-I.), submitted November NSF Division of Astronomy proposal AST entitled "Stars that Swallow Planets,'' July 1, June 30, 2007; M. Richards (P.I.) and A. Retter (Co.-I.), submitted November NSF Division of Astronomy proposal AST entitled "Jets in Novae,'' July 1, June 30, 2007; M. Richards (P.I.) and A. Retter (Co.-I.), submitted November NSF Division of Astronomy proposal AST entitled "Tomography, Synthetic Spectra, and Hydro Simulations of Accretion Flows,'' July 1, June 30, 2009; M. Richards (P.I.) and J. Budaj (Co.-I.), submitted November NSF Division of Astronomy proposal AST entitled "Spectrum Variability in Accreting Brown Dwarfs,'' July 1, June 30, 2009; J. Budaj (P.I.) and M. Richards (Co.-I.), submitted November NOAO Gemini/S 8m telescope observing proposal No. 140 to study "Spectrum Variability of Accreting Brown Dwarfs'' with the GNIRS Infrared Spectrograph (Richards, M. (PI), Budaj, J., & Martin, E. (Astrophysical Institute of the Canaries, IAC)), submitted October ESO multiwavelength proposal entitled, "The Mass Transferring Binary Star R Ara," to collect FEROS spectra over 10 hours, EFOSC2 spectropolarimetric data over 15 hours, XMM data over 20000s (N. M.

16 16 Elias II (P.I.), O. Stahl, M. Richards, M. F. Corcoran, V. Niemela, & G. E. McCluskey), submitted October NASA Ideas proposal entitled "Let s Grow Them! - Developing Space Scientists Through the Upward Bound Math and Science Program," May 1, 2007 April 30, 2009; M. Richards (P.I.) and J. Markley (Co.I.), submitted October NSF Division of Astronomy proposal AST entitled "Understanding Accretion Flows in Interacting Binaries,'' July 1, June 30, 2010; submitted November Motorola Corporation proposal entitled "Summer Research with High School Students in the Eberly College of Science,'' July 1, June 30, 2012 (with Ed Thompson, PSU Development Office); submitted June Invited Review Lectures 1. "Doppler Tomography of Eclipsing and Non-eclipsing Algols," Astrotomography: An International Workshop on Indirect Imaging, Brussels, Belgium, July 6, "Dopplertomography of Algols," IAU General Assembly, Joint Discussion 9 on Astrotomography, Sydney, Australia, July 17, "Doppler Tomography of Accretion Disks and Streams in Close Binaries," IAU Symposium 240, Binary Stars as Critical Tools & Tests in Contemporary Astrophysics, Prague, Czech Republic, August 23, Invited Lectures (International) 4. "Spectrophotometry of Nova Cygni 1975," Centre for Research in Experimental Space Science, York University, May "Algol and Algol-type Binaries," Department of Physics, University of the West Indies, December "Circumstellar Material in the Algol System," Department of Astronomy, University of Toronto, August "A New Model for Algol," IAU Colloquium 107 on The Algols, Victoria, British Columbia, August 18, "Circumstellar Gas in Direct Impact Algols," Astronomical Institute, Academy of Sciences of the Czech Republic, Prague, Czech Republic, September 8, "Accretion Regions in Short-period Algols," Institute for Astronomy, University of Vienna, Vienna, Austria, September 14, "Magnetic Activity and its Influence on Accretion Processes in Algol-type Binaries," Kiepenheuer-Institut fuer Sonnenphysik (Solar Physics Institute), Freiburg, Germany, June 28, "Image Reconstruction of Binary Stars Using Tomography," Mathematisches Forschungsinstitut (Mathematics Research Institute), Oberwolfach, Germany, July 5, "Doppler Tomography of Chromospheres and Accretion Regions in Algol Binaries," IAU Symposium 176 on Stellar Surface Structure, University of Vienna, Austria, October 12, "Algol Binaries," Department of Physics and Astronomy, York University, Canada, April 12, 1996.

17 "A Multidimensional Approach to the Study of Mass Transfer in Interacting Binaries," Department of Physics and Astronomy, York University, Canada, January 13, "The Structure of Accretion Regions in Algol Binaries Derived from Optical and Ultraviolet Spectra," Astronomical Institute, Academy of Sciences of the Czech Republic, Prague, Czech Republic, June 29, "A Long-term Continuous Radio Flare Survey of Algol and HR 1099," Astronomical Institute, Academy of Sciences of the Czech Republic, Prague, Czech Republic, June 29, "14 Lectures on Close Binary Stars," Vatican Observatory Seventh Summer School in Observational Astronomy and Astrophysics on "Observations and Theoretical Understanding of Single Stars and Close Binary Systems," Castel Gandolfo, Rome, Italy, June 13 - July 10, (Summer School faculty; see Sky & Telescope, May 2000, pages 82-87) 18. "Time Domain Spectra of Interacting Binaries," Science With SALT II Workshop, University of Cape Town, Cape Town, South Africa, October 30, "Teaching Physics and Astronomy to Disadvantaged Students," SALT Collateral Benefits Programme, Mathematics and Science Education Seminar (Teacher Workshop), University of Cape Town, Cape Town, South Africa, October 30, "What I Love About Astronomy: From CAT Scans to Astrotomography," SALT Collateral Benefits Programme, Astronomy: Tools and Opportunities (Graduate student workshop), University of Cape Town, Cape Town, South Africa, October 31, "Images of Accretion Flows in Interacting Binaries," Department of Astronomy, University of Toronto, Canada, May 9, "Dream the Impossible Dream," Keynote Speaker, 17 th Annual Visions of Science Symposium, University of Toronto, Toronto, Canada, May 10, Invited Lectures (within USA) 23. "Algol: A New Frontier," Department of Physics and Astronomy, University of North Carolina, January "Circumstellar Matter in Algol," Department of Astronomy, University of Virginia, January "Circumstellar Matter in Algol," Department of Physics, New Jersey Institute of Technology, February "Algol: A New Frontier," Department of Physics and Astronomy, Wayne State University, February "The Effect of Circumstellar Gas on the H$ Line Profile of Algol," Meeting of Washington Area Astronomers, Johns Hopkins University, Baltimore, Maryland, April "A Search for the RS CVn-type Characteristics of the Infrared Light Curves of Algol," Department of Physics and Astronomy, University of Toledo, May "Complications of Mass Transfer in Algol Binaries," Harvard-Smithsonian Center for Astrophysics, Cambridge, December 5, "Algol-type Eclipsing Binaries," Annual Meeting of Virginia Association of Astronomical Societies, Charlottesville, Virginia, May 1992.

18 "The Structure of Accretion Regions in Algols," Annual Meeting of the National Society of Black Physicists, Rutgers University, New Jersey, April 22, "Algol- The Demon Star," Sigma Xi Scientific Research Society Annual Banquet, Appalachian State University, Boone, North Carolina, April 28, "Magnetism Versus Accretion in Algol-type Binaries," Department of Physics and Astronomy, Appalachian State University, Boone, North Carolina, April 29, "Rediscovering Algol," Eighth Annual Southern Star Astronomical Convention, Wild Acres Retreat, Little Switzerland, North Carolina, May 7, "Accretion Regions in Algol-type Binaries," Physics Department, North Carolina State University, November 2, "Observational Evidence of Mass Transfer in Interacting Binaries," Department of Astronomy, University of Indiana, January 24, "Algol Binaries: Mass Transfer Caught in the Act!" Department of Physics, Indiana State University, January 25, "Doppler Tomography and Hydrodynamic Simulations of Mass Transfer in Algol-type Binary Star Systems," Lawrence Livermore National Laboratory, Livermore, California, December 15, "Doppler Tomography and Hydrodynamic Simulations of Mass Transfer in Algol-type Binary Star Systems," Department of Physics, New York University, New York, March 2, "Full-orbit Spectra, Doppler Tomograms, and Hydrodynamic Simulations of Accretion Structures in Algol-type Interacting Binaries," Richard Black Astrophysics Centre, Institute for Advanced Study, Princeton, March 9, "The Magic of Tomography," Sonya Kovalevsky Day, Department of Mathematics and Statistics, University at Albany-SUNY, Albany, New York, April 5, "The Radon Transform and its Application to Astronomy," Center for Communications Research, Institute for Defense Analyses, Princeton, New Jersey, May 10, "An Assessment of National Resources for Stellar Astronomy," The Future of Stellar Astrophysics, 199th Meeting of the American Astronomical Society, Washington, D.C., January 6, "The Magic of Tomography," Physics Department, North Carolina State University, February 14, "Tomography and Other Adventures," Annual Southeast Michigan Junior Science and Humanities Symposium, Wayne State University, Detroit, Michigan, March 7, "Tomography and Hydrodynamic Simulations of Active Mass Transfer in Interacting Binary Star Systems," Department of Astronomy & Astrophysics, Penn State University, April 4, "The Magical Process of Tomography," Department of Astronomy & Astrophysics, Villanova University, September 26, "From CAT Scans to Astrotomography," Bowdoin College, Department of Mathematics and Department of Physics, March 10, "From CAT Scans to Astrotomography," California State Summer School for Mathematics & Science (COSMOS), Distinguished Lecture Series, University of California-Davis, July 14, "American Astronomical Society Harlow Shapley Visiting Lecture: Exploring CAT Scans and the World of Tomography," Allegheny College, public lecture, February 1, 2005.