How To Make A Comet From A Solar Flare

Size: px
Start display at page:

Download "How To Make A Comet From A Solar Flare"

Transcription

1 LTT 560 and Wind Accretion in Pre-CVs Claus Tappert (Boris Gänsicke, Matthias Schreiber; Stella Kafka, Kent Honeycutt) Departamento de Astronomía y Astrofísica Pontificia Universidad Católica de Chile, Santiago, Chile ctappert@astro.puc.cl - ctappert/ SOCHIAS, Jan 16, 2009 Claus Tappert (PUC) LTT 560 and Wind Accretion in Pre-CVs SOCHIAS, Jan 16, / 16

2 Cataclysmic Variables The Legoland Version: P orb = 80 min 10 h Claus Tappert (PUC) LTT 560 and Wind Accretion in Pre-CVs SOCHIAS, Jan 16, / 16

3 Formation of CVs 1) 4) 2) 5) 3) 6) Claus Tappert (PUC) LTT 560 and Wind Accretion in Pre-CVs SOCHIAS, Jan 16, / 16

4 Formation of CVs 1) 4) 2) 5) pre-cv 3) 6) Claus Tappert (PUC) LTT 560 and Wind Accretion in Pre-CVs SOCHIAS, Jan 16, / 16

5 LTT 560: Spectroscopy T WD = 7500 K log g = 8.0 SpT Sec = M5.5V (Tappert et al., 2007) Claus Tappert (PUC) LTT 560 and Wind Accretion in Pre-CVs SOCHIAS, Jan 16, / 16

6 LTT 560: Photometry ellipsoidal variation P orb = 3.54 h flares (Tappert et al., 2007) Claus Tappert (PUC) LTT 560 and Wind Accretion in Pre-CVs SOCHIAS, Jan 16, / 16

7 LTT 560: Hα Line Profile broad + narrow component antiphased (Tappert et al., 2007) Claus Tappert (PUC) LTT 560 and Wind Accretion in Pre-CVs SOCHIAS, Jan 16, / 16

8 LTT 560 Echelle: Metal lines Claus Tappert (PUC) LTT 560 and Wind Accretion in Pre-CVs SOCHIAS, Jan 16, / 16

9 LTT 560 Echelle: Hα + NaI Claus Tappert (PUC) LTT 560 and Wind Accretion in Pre-CVs SOCHIAS, Jan 16, / 16

10 LTT 560 Echelle: Radial velocities Claus Tappert (PUC) LTT 560 and Wind Accretion in Pre-CVs SOCHIAS, Jan 16, / 16

11 LTT 560 Echelle: Radial velocities Claus Tappert (PUC) LTT 560 and Wind Accretion in Pre-CVs SOCHIAS, Jan 16, / 16

12 LTT 560 Echelle: Radial velocities Claus Tappert (PUC) LTT 560 and Wind Accretion in Pre-CVs SOCHIAS, Jan 16, / 16

13 LTT 560 Echelle: Radial velocities Claus Tappert (PUC) LTT 560 and Wind Accretion in Pre-CVs SOCHIAS, Jan 16, / 16

14 LTT 560 Echelle: Radial velocities Claus Tappert (PUC) LTT 560 and Wind Accretion in Pre-CVs SOCHIAS, Jan 16, / 16

15 LTT 560 Echelle: Doppler Maps Claus Tappert (PUC) LTT 560 and Wind Accretion in Pre-CVs SOCHIAS, Jan 16, / 16

16 EC The only other non-magnetic pre-cv to show additional emission (O Donoghue et al., 2003) Claus Tappert (PUC) LTT 560 and Wind Accretion in Pre-CVs SOCHIAS, Jan 16, / 16

17 Other Non-Magnetic Pre-CVs: UV Spectra Kawka et al., 2008: Ṁ = M /yr Claus Tappert (PUC) LTT 560 and Wind Accretion in Pre-CVs SOCHIAS, Jan 16, / 16

18 Magnetic Pre-CVs?: Low Accretion Rate Polars example J2048 (Kafka et al., in prep.) Claus Tappert (PUC) LTT 560 and Wind Accretion in Pre-CVs SOCHIAS, Jan 16, / 16

19 Non-Magnetic Short Period Pre-CVs: Comparison LTT 560 EC Period [h] Secondary M V M3.5-4V Primary T K log g γ K 1 [km/s] K 2 [km/s] q i Hα flares yes yes Claus Tappert (PUC) LTT 560 and Wind Accretion in Pre-CVs SOCHIAS, Jan 16, / 16

20 Non-Magnetic Short Period Pre-CVs: Comparison emission no emission LTT 560 EC MS Peg BPM Period [h] Secondary M V M3.5-4V M3-5V M2.5V Primary T K log g γ 19 63?? K 1 [km/s] (62) K 2 [km/s] q (0.5) i (30) Hα flares yes yes?? Claus Tappert (PUC) LTT 560 and Wind Accretion in Pre-CVs SOCHIAS, Jan 16, / 16

21 Non-Magnetic Short Period Pre-CVs: Comparison emission no emission LTT 560 EC MS Peg BPM Period [h] Secondary M V M3.5-4V M3-5V M2.5V Primary T K log g γ 19 63?? K 1 [km/s] (62) K 2 [km/s] q (0.5) i (30) Hα flares yes yes?? + NN Ser (T WD = K): 5 well-studied systems (optical range) Claus Tappert (PUC) LTT 560 and Wind Accretion in Pre-CVs SOCHIAS, Jan 16, / 16

22 Conclusions Accretion in pre-cvs Surprise, Surprise? Claus Tappert (PUC) LTT 560 and Wind Accretion in Pre-CVs SOCHIAS, Jan 16, / 16

23 Conclusions Accretion in pre-cvs Surprise, Surprise? No: late-type dwarfs activity wind Claus Tappert (PUC) LTT 560 and Wind Accretion in Pre-CVs SOCHIAS, Jan 16, / 16

24 Conclusions Accretion in pre-cvs Surprise, Surprise? No: late-type dwarfs activity wind Yes: coronal WD emission / active secondaries in CVs? Claus Tappert (PUC) LTT 560 and Wind Accretion in Pre-CVs SOCHIAS, Jan 16, / 16

25 Conclusions Accretion in pre-cvs Surprise, Surprise? No: late-type dwarfs activity wind Yes: coronal WD emission / active secondaries in CVs? Potential: CV evolution / AML / mass-transfer modulation Claus Tappert (PUC) LTT 560 and Wind Accretion in Pre-CVs SOCHIAS, Jan 16, / 16

26 Conclusions Accretion in pre-cvs Surprise, Surprise? No: late-type dwarfs activity wind Yes: coronal WD emission / active secondaries in CVs? Potential: CV evolution / AML / mass-transfer modulation Problem: low number statistics (5!) Claus Tappert (PUC) LTT 560 and Wind Accretion in Pre-CVs SOCHIAS, Jan 16, / 16

27 Conclusions Accretion in pre-cvs Surprise, Surprise? No: late-type dwarfs activity wind Yes: coronal WD emission / active secondaries in CVs? Potential: CV evolution / AML / mass-transfer modulation Problem: low number statistics (5!) Future: UVES survey on short period SDSS/SEGUE pre-cvs (Winter 2009) Claus Tappert (PUC) LTT 560 and Wind Accretion in Pre-CVs SOCHIAS, Jan 16, / 16

28 Conclusions Accretion in pre-cvs Surprise, Surprise? No: late-type dwarfs activity wind Yes: coronal WD emission / active secondaries in CVs? Potential: CV evolution / AML / mass-transfer modulation Problem: low number statistics (5!) Future: UVES survey on short period SDSS/SEGUE pre-cvs (Winter 2009) Claus Tappert (PUC) LTT 560 and Wind Accretion in Pre-CVs SOCHIAS, Jan 16, / 16

29 The End Claus Tappert (PUC) LTT 560 and Wind Accretion in Pre-CVs SOCHIAS, Jan 16, / 16

Follow-up Observations of SPY White Dwarf + M-Dwarf Binaries

Follow-up Observations of SPY White Dwarf + M-Dwarf Binaries 15 th European Workshop on White Dwarfs ASP Conference Series, Vol. 372, 2007 R. Napiwotzki and M. R. Burleigh Follow-up Observations of SPY White Dwarf + M-Dwarf Binaries P. F. L. Maxted Astrophysics

More information

CAUP s Astronomical Instrumentation and Surveys

CAUP s Astronomical Instrumentation and Surveys CAUP s Astronomical Instrumentation and Surveys CENTRO DE ASTROFÍSICA DA UNIVERSIDADE DO PORTO www.astro.up.pt Sérgio A. G. Sousa Team presentation sousasag@astro.up.pt CAUP's Astronomical Instrumentation

More information

Metal Abundances of Accretion Discs in AM CVn Binaries

Metal Abundances of Accretion Discs in AM CVn Binaries Metal Abundances of Accretion Discs in AM CVn Binaries Thorsten Nagel D.-J. Kusterer, T. Rauch, K. Werner Institut für Astronomie/Astrophysik Kepler Center for Astro and Particle Physics Universität Tübingen

More information

{2{ The accretion geometry strongly depends on the mass accretion rate _M and system parameters, such as the mass of the components, the orbital separ

{2{ The accretion geometry strongly depends on the mass accretion rate _M and system parameters, such as the mass of the components, the orbital separ Exploring Magnetic Cataclysmic Variables with XMM D. de Martino Osservatorio Astronomico di Capodimonte, Napoli, Italy G. Matt Dipartimento di Fisica, Universita' "Roma Tre", Roma, Italy J.-M. Bonnet-Bidaud

More information

Resultados del Concurso 2015B para Observaciones en Gemini-Sur

Resultados del Concurso 2015B para Observaciones en Gemini-Sur Resultados del Concurso 2015B para Observaciones en Gemini-Sur Propuesta: G/2015B/027 Investigador Principal: Lucas Cieza, Universidad Diego Portales Título: GPI Characterization of the Benchmark Brown

More information

Indiana University Science with the WIYN One Degree Imager

Indiana University Science with the WIYN One Degree Imager Indiana University Science with the WIYN One Degree Imager Katherine Rhode (Indiana University, WIYN SAC member) Indiana University Department of Astronomy Nine faculty members, plus active emeritus faculty

More information

Library of high-resolution spectra and database of stellar parameters of F, G, K and M stars

Library of high-resolution spectra and database of stellar parameters of F, G, K and M stars Library of high-resolution spectra and database of stellar parameters of F, G, K and M stars David Montes Dpto. Astrofísica, F. Físicas Universidad Complutense de Madrid, UCM, Madrid, Spain First SVO Workshop

More information

The CGM around Dwarf Galaxies

The CGM around Dwarf Galaxies The CGM around Dwarf Galaxies Rongmon Bordoloi STScI + the COS-Halos Team What is the CGM? Shen et al. 212 jectedcolumndensityinacubeof5(proper)kpc Diffuse gas, including metals and dust, o2en on extending

More information

Towards the Detection and Characterization of Smaller Transiting Planets

Towards the Detection and Characterization of Smaller Transiting Planets Towards the Detection and Characterization of Smaller Transiting Planets David W. Latham 27 July 2007 Kepler MISSION CONCEPT Kepler Mission is optimized for finding habitable planets ( 10 to 0.5 M )

More information

HTRA Instrumentation I

HTRA Instrumentation I HTRA Instrumentation I Phil Charles (Univ. of Southampton) Lecture 1: 1. Introduction, basic concepts of HTRA 2. History (~60yrs) of HTRA 3. Space science developments multi-wavelength 4. Fast timing in

More information

Efficient data reduction and analysis of DECam images using multicore architecture Poor man s approach to Big data

Efficient data reduction and analysis of DECam images using multicore architecture Poor man s approach to Big data Efficient data reduction and analysis of DECam images using multicore architecture Poor man s approach to Big data Instituto de Astrofísica Pontificia Universidad Católica de Chile Thomas Puzia, Maren

More information

Magellanic Cloud planetary nebulae as probes of stellar evolution and populations. Letizia Stanghellini

Magellanic Cloud planetary nebulae as probes of stellar evolution and populations. Letizia Stanghellini Magellanic Cloud planetary nebulae as probes of stellar evolution and populations Letizia Stanghellini Planetary nebulae beyond the Milky Way - May 19-21, 2004 1 Magellanic Cloud PNe The known distances,

More information

SPACE WEATHER INTERPRETING THE WIND. Petra Vanlommel & Luciano Rodriguez

SPACE WEATHER INTERPRETING THE WIND. Petra Vanlommel & Luciano Rodriguez SPACE WEATHER INTERPRETING THE WIND Petra Vanlommel & Luciano Rodriguez THE SUN LOSES ENERGY Radiation Mass Particles THE SUN LOSES ENERGY PHYSICAL REPHRASING Total Solar Irradiance Solar Wind Fast Particles

More information

THE NEW LONG-PERIOD AM HERCULIS SYSTEM RX J2157.5]0855 G. H. TOVMASSIAN

THE NEW LONG-PERIOD AM HERCULIS SYSTEM RX J2157.5]0855 G. H. TOVMASSIAN THE ASTROPHYSICAL JOURNAL, 537:927È935, 2 July 1 ( 2. The American Astronomical Society. All rights reserved. Printed in U.S.A. THE NEW LONG-PERIOD AM HERCULIS SYSTEM RX J2157.5]855 G. H. TOVMASSIAN Observatorio

More information

How To Understand The Origin Of Star Formation

How To Understand The Origin Of Star Formation Resultados Concurso Apex 2013-B Propuesta: 2013B-05 Investigador Principal: Mónica Rubio, Universidad de Chile Título: Dust, Molecules, and Star Formation at Low Metallicity Resumen: Dust affects the cooling

More information

Low-Mass X-Ray Binary Models for Ellipticals NGC3379 and NGC4278

Low-Mass X-Ray Binary Models for Ellipticals NGC3379 and NGC4278 Low-Mass X-Ray Binary Models for Ellipticals NGC3379 and NGC4278 Tassos Fragos with V. Kalogera, K. Belczynski, G. Fabbiano et al. Department of Physics and Astronomy Northwestern University MODEST 7b

More information

Be Stars. By Carla Morton

Be Stars. By Carla Morton Be Stars By Carla Morton Index 1. Stars 2. Spectral types 3. B Stars 4. Be stars 5. Bibliography How stars are formed Stars are composed of gas Hydrogen is the main component of stars. Stars are formed

More information

PHOTOELECTRIC EFFECT AND DUAL NATURE OF MATTER AND RADIATIONS

PHOTOELECTRIC EFFECT AND DUAL NATURE OF MATTER AND RADIATIONS PHOTOELECTRIC EFFECT AND DUAL NATURE OF MATTER AND RADIATIONS 1. Photons 2. Photoelectric Effect 3. Experimental Set-up to study Photoelectric Effect 4. Effect of Intensity, Frequency, Potential on P.E.

More information

The VHE future. A. Giuliani

The VHE future. A. Giuliani The VHE future A. Giuliani 1 The Cherenkov Telescope Array Low energy Medium energy High energy 4.5o FoV 7o FoV 10o FoV 2000 pixels 2000 pixels 2000 pixels ~ 0.1 ~ 0.18 ~ 0.2-0.3 The Cherenkov Telescope

More information

Extra-solar massive planets with small semi-major axes?

Extra-solar massive planets with small semi-major axes? Monografías de la Real Academia de Ciencias de Zaragoza. 25: 115 120, (2004). Extra-solar massive planets with small semi-major axes? S. Fernández, D. Giuliodori and M. A. Nicotra Observatorio Astronómico.

More information

Electron spectroscopy Lecture 1-21. Kai M. Siegbahn (1918 - ) Nobel Price 1981 High resolution Electron Spectroscopy

Electron spectroscopy Lecture 1-21. Kai M. Siegbahn (1918 - ) Nobel Price 1981 High resolution Electron Spectroscopy Electron spectroscopy Lecture 1-21 Kai M. Siegbahn (1918 - ) Nobel Price 1981 High resolution Electron Spectroscopy 653: Electron Spectroscopy urse structure cture 1. Introduction to electron spectroscopies

More information

Star Formation History of the Magellanic Clouds: a survey program with DECam@4mCTIO.

Star Formation History of the Magellanic Clouds: a survey program with DECam@4mCTIO. Star Formation History of the Magellanic Clouds: a survey program with DECam@4mCTIO. Lara Monteagudo Narvion 1,2, Matteo Monelli 1,2, Carme Gallart 1,2, David Nidever 3, Knut Olsen 4 and SMASH group 1

More information

Evidence in White Light of Post-CME Current Sheets Mostly Observational

Evidence in White Light of Post-CME Current Sheets Mostly Observational Evidence in White Light of Post-CME Current Sheets Mostly Observational David Webb ISR, Boston College OUTLINE Review previous results of SMM & LASCO WL rays trailing CMEs - Lifetimes, lengths (heights)

More information

Roelof Bruintjes, Sarah Tessendorf, Jim Wilson, Rita Roberts, Courtney Weeks and Duncan Axisa WMA Annual meeting 26 April 2012

Roelof Bruintjes, Sarah Tessendorf, Jim Wilson, Rita Roberts, Courtney Weeks and Duncan Axisa WMA Annual meeting 26 April 2012 Aerosol affects on the microphysics of precipitation development in tropical and sub-tropical convective clouds using dual-polarization radar and airborne measurements. Roelof Bruintjes, Sarah Tessendorf,

More information

Solar Ast ro p h y s ics

Solar Ast ro p h y s ics Peter V. Foukal Solar Ast ro p h y s ics Second, Revised Edition WI LEY- VCH WILEY-VCH Verlag Co. KCaA Contents Preface 1 1.1 1.2 1.3 1.4 1.5 1.6 1.7 1.8 1.9 2 2.1 2.1.1 2.1.2 2.2 2.2.1 2.2.2 2.2.3 2.3

More information

Control System for Amateur Telescope Experience

Control System for Amateur Telescope Experience Control System for Amateur Telescope Experience Departamento de Informática, Universidad Técnica Federico Santa María, Avenida España 1680, Valparaiso, Chile Agenda Introduction Scientific/Technological

More information

Observing the Universe

Observing the Universe Observing the Universe Stars & Galaxies Telescopes Any questions for next Monday? Light Doppler effect Doppler shift Doppler shift Spectra Doppler effect Spectra Stars Star and planet formation Sun Low-mass

More information

ALMA Overview. Leonardo Testi (European Southern Observatory)

ALMA Overview. Leonardo Testi (European Southern Observatory) ALMA Overview Leonardo Testi (European Southern Observatory) The ALMA Project Status Timeline towards Early and Full Science Operations Future Developments Atacama Large Millimeter Array At least 50x12m

More information

Solar atmosphere. Solar activity and solar wind. Reading for this week: Chap. 6.2, 6.3, 6.5, 6.7 Homework #2 (posted on website) due Oct.

Solar atmosphere. Solar activity and solar wind. Reading for this week: Chap. 6.2, 6.3, 6.5, 6.7 Homework #2 (posted on website) due Oct. Solar activity and solar wind Solar atmosphere Reading for this week: Chap. 6.2, 6.3, 6.5, 6.7 Homework #2 (posted on website) due Oct. 17 Photosphere - visible surface of sun. Only ~100 km thick. Features

More information

Use the following image to answer the next question. 1. Which of the following rows identifies the electrical charge on A and B shown above?

Use the following image to answer the next question. 1. Which of the following rows identifies the electrical charge on A and B shown above? Old Science 30 Physics Practice Test A on Fields and EMR Test Solutions on the Portal Site Use the following image to answer the next question 1. Which of the following rows identifies the electrical charge

More information

Resultados del Concurso 2016A para Observaciones en Gemini-Sur

Resultados del Concurso 2016A para Observaciones en Gemini-Sur Resultados del Concurso 2016A para Observaciones en Gemini-Sur Propuesta: G/2016A/005 Investigador Principal: Jorge Cuadra, Pontificia Universidad Católica de Chile Título: Star formation and dynamics

More information

Non-radial pulsations (NRP) or co-rotating photospheric Helium clouds in ζ Tau?

Non-radial pulsations (NRP) or co-rotating photospheric Helium clouds in ζ Tau? Non-radial pulsations (NRP) or co-rotating photospheric Helium clouds in ζ Tau? Description of the phenomenon Investigations of the HeI6678 line profile in ζ Tau show that it is quite different from a

More information

In mid 2005, Maria Antonieta Garcia, the public information

In mid 2005, Maria Antonieta Garcia, the public information >>>PAEO public affairs & educational outreach NOAO Brings Family ASTRO Back to South America A Family ASTRO workshop in December 2006 in Buenos Aires at the Observatorio Nacional de La Plata attracted

More information

J-PAS: low-resolution (R 50) spectroscopy over 8000 deg 2

J-PAS: low-resolution (R 50) spectroscopy over 8000 deg 2 J-PAS: low-resolution (R 50) spectroscopy over 8000 deg 2 C. López-Sanjuan J. Cenarro, L. A. Díaz-García, J. Varela, K. Viironen, & the J-PAS team Centro de Estudio de Física del Cosmos de Aragón 10th

More information

Solar Storms and Northern lights - how to predict Space Weather and the Aurora

Solar Storms and Northern lights - how to predict Space Weather and the Aurora Solar Storms and Northern lights - how to predict Space Weather and the Aurora Pål Brekke Norwegian Space Centre/UNIS Pål Brekke torsdag 12. mars 15 Fleet of satellites watching the Sun Stereo SDO SOHO

More information

Doppler tomography of the asynchronous polar BY Camelopardalis

Doppler tomography of the asynchronous polar BY Camelopardalis Astronomy & Astrophysics manuscript no. BYCam c ESO 2005 December 16, 2005 Doppler tomography of the asynchronous polar BY Camelopardalis R. Schwarz 1,2, A. D. Schwope 2, A. Staude 2, and R. A. Remillard

More information

Testing of Kaonetics Devices at BNL

Testing of Kaonetics Devices at BNL BNL-95365-2011-IR Testing of Kaonetics Devices at BNL A. Bolotnikov, G. Smith and R. James June 2011 Nonproliferation and National Security Department Brookhaven National Laboratory U.S. Department of

More information

Chromospheric and Transition Region dynamics

Chromospheric and Transition Region dynamics Chromospheric and Transition Region dynamics Luc Rouppe van der Voort University of Oslo IRIS: type II spicules are heated to at least TR temperatures Pereira et al. 2014 ApJL 792 type II spicules

More information

NITROGEN-TO-OXYGEN RATIO As a solid tool to ascertain the chemical evolution of star-forming galaxies

NITROGEN-TO-OXYGEN RATIO As a solid tool to ascertain the chemical evolution of star-forming galaxies NITROGEN-TO-OXYGEN RATIO As a solid tool to ascertain the chemical evolution of star-forming galaxies Enrique Pérez Montero Instituto de Astrofísica de Andalucía - CSIC (Granada) Proyecto ESTALLIDOS DE

More information

A gas cloud on its way toward the super-massive black hole in the Galactic Centre

A gas cloud on its way toward the super-massive black hole in the Galactic Centre 1 A gas cloud on its way toward the super-massive black hole in the Galactic Centre S.Gillessen 1, R.Genzel 1,2, T.Fritz 1, E.Quataert 3, C.Alig 4, A.Burkert 4,1, J.Cuadra 5, F.Eisenhauer 1, O.Pfuhl 1,

More information

About US. Residential; Commercial (Retail & Offices); Industrial Storage; Properties Administrations.

About US. Residential; Commercial (Retail & Offices); Industrial Storage; Properties Administrations. About US We are a consolidated company having more than 14 years of experience in the Real Estate Market. To meet the diverse needs of our clients, we maintain divisions specialized in the following segments:

More information

J. Cuadra CV 1. Jorge Cuadra

J. Cuadra CV 1. Jorge Cuadra J. Cuadra CV 1 Research Keywords Jorge Cuadra Pontificia Universidad Católica de Chile Vicuña Mackenna 4860, Macul, Santiago, Chile jcuadra@astro.puc.cl http://www.astro.puc.cl/~jcuadra Numerical Astrophysics

More information

Virtual Observatory tools for the detection of T dwarfs. Enrique Solano, LAEFF / SVO Eduardo Martín, J.A. Caballero, IAC

Virtual Observatory tools for the detection of T dwarfs. Enrique Solano, LAEFF / SVO Eduardo Martín, J.A. Caballero, IAC Virtual Observatory tools for the detection of T dwarfs Enrique Solano, LAEFF / SVO Eduardo Martín, J.A. Caballero, IAC T dwarfs Low-mass (60-13 MJup), low-temperature (< 1300-1500 K), low-luminosity brown

More information

Preparation of the CARMENES Input Catalogue: Multiplicity of M dwarfs from Tenths of Arcseconds to Hundreds of Arcminutes

Preparation of the CARMENES Input Catalogue: Multiplicity of M dwarfs from Tenths of Arcseconds to Hundreds of Arcminutes Preparation of the CARMENES Input Catalogue: Multiplicity of M dwarfs from Tenths of Arcseconds to Hundreds of Arcminutes M. Cortés Contreras 1, J.A. Caballero 3, V.J.S. Béjar 2, B. Gauza 2, D. Montes

More information

Mass Loss from Red Giant Stars in Globular Clusters

Mass Loss from Red Giant Stars in Globular Clusters Mass Loss from Red Giant Stars in Globular Clusters A PhD thesis By Szabolcs Mészáros Department of Optics and Quantum Electronics University of Szeged Faculty of Natural Sciences and Informatics Thesis

More information

DOPPLER TOMOGRAPHY. 1. Introduction

DOPPLER TOMOGRAPHY. 1. Introduction DOPPLER TOMOGRAPHY T.R. MARSH Department of Physics, University of Warwick, Coventry CV4 7AL, U.K.; E-mail: t.r.marsh@warwick.ac.uk (accepted April 2004) Abstract. I review the method of Doppler tomography

More information

Global Variables. However, when global variables are used in a function block or control modules, they must be declared as external

Global Variables. However, when global variables are used in a function block or control modules, they must be declared as external Global Variables You can define global variables in the Application Editor. Global variables are available in all programs. It is only possible to declare global variables on application level. Global

More information

The Orbital Period Distribution of Wide Binary Millisecond Pulsars

The Orbital Period Distribution of Wide Binary Millisecond Pulsars Binary Radio Pulsars ASP Conference Series, Vol. 328, 2005 F. A. Rasio and I. H. Stairs The Orbital Period Distribution of Wide Binary Millisecond Pulsars B. Willems Northwestern University, Department

More information

ELECTRICAL ENGINEERING

ELECTRICAL ENGINEERING ENERGY GROUP AT THE ELECTRICAL ENGINEERING DEPARTMENT MORE THAN JUST ELECTRIC POWER SYSTEMS PROF. DAVID WATTS P. UNIVERSIDAD CATÓLICA DE CHILE ELECTRICAL ENGINEERING Prof. David Watts, PUC-Chile 1 ENERGY

More information

Highlights from the VLA/ANGST Survey

Highlights from the VLA/ANGST Survey Highlights from the VLA/ANGST Survey Evan Skillman U. Minnesota Gas in Galaxies 2011: From Cosmic Web to Molecular Clouds Kloster Seeon, Germany 16/06/2011 VLA/ANGST The ANGST HST Treasury Project allowed

More information

New results on HE 0107 5240 and future surveys for metal-poor stars

New results on HE 0107 5240 and future surveys for metal-poor stars New results on HE 0107 5240 and future surveys for metal-poor stars Norbert Christlieb Department of Astronomy and Space Physics, Uppsala University HE 0107 5240 [Fe I/H] NLTE = 5.3 The most heavy-element

More information

Observing the Sun from space: Highlights from Yohkoh, SOHO, TRACE, RHESSI. H.S. Hudson Space Sciences Lab University of California, Berkeley

Observing the Sun from space: Highlights from Yohkoh, SOHO, TRACE, RHESSI. H.S. Hudson Space Sciences Lab University of California, Berkeley Observing the Sun from space: Highlights from Yohkoh, SOHO, TRACE, RHESSI H.S. Hudson Space Sciences Lab University of California, Berkeley SUMMARY OF LECTURE I. Overview of the Sun 2. Observational technique

More information

Homework #4 Solutions ASTR100: Introduction to Astronomy Fall 2009: Dr. Stacy McGaugh

Homework #4 Solutions ASTR100: Introduction to Astronomy Fall 2009: Dr. Stacy McGaugh Homework #4 Solutions ASTR100: Introduction to Astronomy Fall 2009: Dr. Stacy McGaugh Chapter 5: #50 Hotter Sun: Suppose the surface temperature of the Sun were about 12,000K, rather than 6000K. a. How

More information

HARPS-N and the Star-Planet Magnetic Interactions

HARPS-N and the Star-Planet Magnetic Interactions Image Credit: NASA HARPS-N and the Star-Planet Magnetic Interactions INAF-Osservatorio Astrofisico di Catania, Italy gas@oact.inaf.it La Ricerca dei Pianeti Extrasolari in Italia Roma 5-7 November 2014

More information

MiLed Fixed Compact recessed luminaire

MiLed Fixed Compact recessed luminaire MiLed Fixed Compact recessed luminaire Indoor Recessed luminaires MiLed 154mm Wide 75 Code 0.BE2E0.NN10 Light source features Number of light sources: 1 Source type: LED NN Watt: 24W Lm: 2565lm Lm/W: 107lm/W

More information

An eclipsing binary distance to the Large Magellanic Cloud accurate to 2 per cent

An eclipsing binary distance to the Large Magellanic Cloud accurate to 2 per cent 1 An eclipsing binary distance to the Large Magellanic Cloud accurate to 2 per cent G. Pietrzyński 1,2, D. Graczyk 1, W. Gieren 1, I.B. Thompson 3, B., Pilecki 1,2, A. Udalski 2, I. Soszyński 2, S. Kozłowski

More information

Ďě Ž ť č ď ť ď ú ď ť ě Ě ň Ě ě ú ň ž ú ú Ú ú ú Ě ň é é ž ú ž Ť Ť Ť ú ň Ď ú ň ď Ě ú É ž ř ú ě ň ý Ě ň ý ň ň Ť ř ď ř ň ú Ť ě ř ě ý Š Ú Ú ň ň ú Ó Ú ň Ň Ů ž ú ň Č ř ř ú É ě ň ú Ž ý ú ú Ú Ú ť ž ž ď ý ž ď ž

More information

Pablo Laguna Center for Relativistic Astrophysics School of Physics Georgia Tech, Atlanta, USA

Pablo Laguna Center for Relativistic Astrophysics School of Physics Georgia Tech, Atlanta, USA Pablo Laguna Center for Relativistic Astrophysics School of Physics Georgia Tech, Atlanta, USA The Transient Sky SN, GRBs, AGN or TDEs? Arcavi et al. 2014, ApJ, 793, 38 van Velzen et al. 2011, ApJ, 741,

More information

Constraints on the explosion mechanism and progenitors of Type Ia supernovae

Constraints on the explosion mechanism and progenitors of Type Ia supernovae Constraints on the explosion mechanism and progenitors of Type Ia supernovae Stéphane Blondin Laboratoire d Astrophysique de Marseille Luc Dessart Observatoire de la Côte d Azur John Hillier University

More information

8.1 Radio Emission from Solar System objects

8.1 Radio Emission from Solar System objects 8.1 Radio Emission from Solar System objects 8.1.1 Moon and Terrestrial planets At visible wavelengths all the emission seen from these objects is due to light reflected from the sun. However at radio

More information

Top 10 Discoveries by ESO Telescopes

Top 10 Discoveries by ESO Telescopes Top 10 Discoveries by ESO Telescopes European Southern Observatory reaching new heights in astronomy Exploring the Universe from the Atacama Desert, in Chile since 1964 ESO is the most productive astronomical

More information

Studies on the ionospheric region during low solar activity in Brazil

Studies on the ionospheric region during low solar activity in Brazil Studies on the ionospheric region during low solar activity in Brazil Claudia M. N. Candido National Institute for Space Research - INPE Brazil 1 Plasma Bubbles-Spread-F OI 630.0-nm Peak at 250 km - F-layer

More information

Equipment: Power Supply, DAI, Transformer (8341), Variable resistance (8311), Variable inductance (8321), Variable capacitance (8331)

Equipment: Power Supply, DAI, Transformer (8341), Variable resistance (8311), Variable inductance (8321), Variable capacitance (8331) Lab 5: Single-phase transformer operations. Objective: to examine the design of single-phase transformers; to study the voltage and current ratios of transformers; to study the voltage regulation of the

More information

The solar wind (in 90 minutes) Mathew Owens

The solar wind (in 90 minutes) Mathew Owens The solar wind (in 90 minutes) Mathew Owens 5 th Sept 2013 STFC Advanced Summer School m.j.owens@reading.ac.uk Overview There s simply too much to cover in 90 minutes Hope to touch on: Formation of the

More information

G019.A (4/99) UNDERSTANDING COMMON MODE NOISE

G019.A (4/99) UNDERSTANDING COMMON MODE NOISE UNDERSTANDING COMMON MODE NOISE PAGE 2 OF 7 TABLE OF CONTENTS 1 INTRODUCTION 2 DIFFERENTIAL MODE AND COMMON MODE SIGNALS 2.1 Differential Mode signals 2.2 Common Mode signals 3 DIFFERENTIAL AND COMMON

More information

Survey Sensors Hydrofest 2014. Ross Leitch Project Surveyor

Survey Sensors Hydrofest 2014. Ross Leitch Project Surveyor Survey Sensors Hydrofest 2014 Ross Leitch Project Surveyor Satellite Positioning Only provides position of antenna Acoustic Positioning Only provides position of transponder relative to transceiver How

More information

Conservation of Momentum Using PASCO TM Carts and Track to Study Collisions in One Dimension

Conservation of Momentum Using PASCO TM Carts and Track to Study Collisions in One Dimension 14 Conservation of Conservation of Using PASCO TM Carts and Track to Study s in One Dimension OBJECTIVE Students will collide two PASCO TM carts on a track to determine the momentum before and after a

More information

Mass transfer dynamics in white dwarf binary systems

Mass transfer dynamics in white dwarf binary systems Mass transfer dynamics in white dwarf binary systems In collaboration with: Stephan Rosswog & Marcus Brüggen EUROWD10, Tübingen, 2010 Numbers on Galactic WDs total number of WDs: 10 10 Napiwotzki (2009)

More information

NASA s Future Missions in X-ray Astronomy

NASA s Future Missions in X-ray Astronomy NASA s Future Missions in X-ray Astronomy Nicholas E. White NASA s Goddard Space Flight Center Laboratory for High Energy Astrophysics Greenbelt, MD 20771 USA nwhite@lheapop.gsfc.nasa.gov Abstract The

More information

Physics Kinematics Model

Physics Kinematics Model Physics Kinematics Model I. Overview Active Physics introduces the concept of average velocity and average acceleration. This unit supplements Active Physics by addressing the concept of instantaneous

More information

AGN-driven winds and ionized clouds moving along the jet in PKS 0521-365

AGN-driven winds and ionized clouds moving along the jet in PKS 0521-365 GH 2015: Forming and Fueling Supermassive Black Hole Seeds July 6-24, 2015, Tonantzintla, Puebla AGN-driven winds and ionized clouds moving along the jet in PKS 0521-365 Eric Faustino Jiménez-Andrade ericja@inaoep.mx

More information

Solar Forcing of Electron and Ion Auroral Inputs

Solar Forcing of Electron and Ion Auroral Inputs Solar Forcing of Electron and Ion Auroral Inputs Barbara A. Emery (NCAR), Ian G. Richardson (GSFC), David S. Evans (NOAA), Frederick J. Rich (LL/MIT), Gordon Wilson (AFRL), Sarah Gibson (NCAR), Giuliana

More information

Version 1.0: 0807. abc. General Certificate of Education. Physics 6451. Specification A. Mark Scheme. 2007 examination - June series

Version 1.0: 0807. abc. General Certificate of Education. Physics 6451. Specification A. Mark Scheme. 2007 examination - June series Version 1.0: 0807 abc General Certificate of Education Physics 6451 Specification A PHA5/W Astrophysics Mark Scheme 007 examination - June series Mark schemes are prepared by the Principal Examiner and

More information

PhD student at Max-Planck-Institut für Astronomie. Heidelberg, Germany.

PhD student at Max-Planck-Institut für Astronomie. Heidelberg, Germany. Dr. Elena Manjavacas Curriculum Vitae Instituto de Astrofísica de Canarias C/ Vía Láctea s/n C.P. 38205, San Cristóbal de La Laguna, Tenerife, Spain +34 657478751 manjavacas@iac.es www.mpia.de/homes/manjavacas/elena_manjavacas.html

More information

Triggered by advances on the theoretical side, and particularly by the analyses of data resulting from large observational surveys such as

Triggered by advances on the theoretical side, and particularly by the analyses of data resulting from large observational surveys such as University Observatory Munich Open questions in our knowledge of the physical properties of Galactic OB stars Jo(achim) Puls University Observatory Munich, Germany and Sergio Simón-Díaz (IAC, La Laguna,

More information

COSMO-LC Data Analysis and Interpretation Magnetometry PRODUCTS and TOOLS

COSMO-LC Data Analysis and Interpretation Magnetometry PRODUCTS and TOOLS COSMO-LC Data Analysis and Interpretation Magnetometry PRODUCTS and TOOLS Sarah Gibson Enrico Landi, Steven Tomczyk, Joan Burkepile, Roberto Casini Brandon Larson, Scott Sewell, Alfred de Wijn National

More information

PONTIFICIA UNIVERSIDAD CATOLICA DE CHILE (PUC)

PONTIFICIA UNIVERSIDAD CATOLICA DE CHILE (PUC) PONTIFICIA UNIVERSIDAD CATOLICA DE CHILE (PUC) 1 selection for residency programs at the PUC Author: Trinidad Hoyl, Jaime Godoy Date: October 20th, 2012 I have/had an affiliation (financial or otherwise)

More information

Class #14/15 14/16 October 2008

Class #14/15 14/16 October 2008 Class #14/15 14/16 October 2008 Thursday, Oct 23 in class You ll be given equations and constants Bring a calculator, paper Closed book/notes Topics Stellar evolution/hr-diagram/manipulate the IMF ISM

More information

Molecular Spectroscopy

Molecular Spectroscopy Molecular Spectroscopy UV-Vis Spectroscopy Absorption Characteristics of Some Common Chromophores UV-Vis Spectroscopy Absorption Characteristics of Aromatic Compounds UV-Vis Spectroscopy Effect of extended

More information

(Long-Baseline) Interferometric Measurements of Binary Stars

(Long-Baseline) Interferometric Measurements of Binary Stars (Long-Baseline) Interferometric Measurements of Binary Stars A. Boden MSC/Caltech & GSU C. Hummel USNO/ESO G. Torres & D. Latham CfA H. McAlister CHARA/GSU Outline Introduction: Why study binary stars

More information

A Network Reference Model for Distribution Regulation and Planning: the Spanish Case

A Network Reference Model for Distribution Regulation and Planning: the Spanish Case A Network Reference Model for Distribution Regulation and Planning: the Spanish Case Jesús Pascual Peco González Instituto de Investigación Tecnológica (IIT) Universidad Pontificia Comillas, Madrid http://www.iit.upco.es

More information

Populations and Components of the Milky Way

Populations and Components of the Milky Way Chapter 2 Populations and Components of the Milky Way Our perspective from within the Milky Way gives us an opportunity to study a disk galaxy in detail. At the same time, it s not always easy to relate

More information

THE FORMATION OF THE HIGH-VELOCITY CLOUDS OF THE MILKY WAY

THE FORMATION OF THE HIGH-VELOCITY CLOUDS OF THE MILKY WAY THE FORMATION OF THE HIGH-VELOCITY CLOUDS OF THE MILKY WAY Antonino Marasco Kapteyn Astronomical Institute, Groningen In collaboration with: Filippo Fraternali (University of Bologna) Federico Marinacci

More information

Late Helium Flashes and Hydrogen-Poor Stars

Late Helium Flashes and Hydrogen-Poor Stars Kepler Center for Astro and Particle Physics, University of Tübingen Late Helium Flashes and Hydrogen-Poor Stars K. Werner, T. Rauch University of Tübingen, Germany and J.W. Kruk Johns Hopkins University,

More information

Galactic Bulge 5.0 Earthquake Study - radius of Population

Galactic Bulge 5.0 Earthquake Study - radius of Population 1 The cluster Terzan 5 as a remnant of a primordial building block of the Galactic bulge F.R. Ferraro 1, E. Dalessandro 1, A. Mucciarelli 1, G.Beccari 2, M. R. Rich 3, L. Origlia 4, B. Lanzoni 1, R. T.

More information

SPATIAL DISTRIBUTION OF NORTHERN HEMISPHERE WINTER TEMPERATURES OVER THE SOLAR CYCLE DURING THE LAST 130 YEARS

SPATIAL DISTRIBUTION OF NORTHERN HEMISPHERE WINTER TEMPERATURES OVER THE SOLAR CYCLE DURING THE LAST 130 YEARS SPATIAL DISTRIBUTION OF NORTHERN HEMISPHERE WINTER TEMPERATURES OVER THE SOLAR CYCLE DURING THE LAST 130 YEARS Kalevi Mursula, Ville Maliniemi, Timo Asikainen ReSoLVE Centre of Excellence Department of

More information

Optimizing the prediction models of the air quality state in cities

Optimizing the prediction models of the air quality state in cities Air Pollution XV 89 Optimizing the prediction models of the air quality state in cities J. Skrzypski, E. Jach-Szakiel & W. Kamiński Faculty of Process and Environmental Engineering, Technical University

More information

User guide for the application process of the online application portal

User guide for the application process of the online application portal U N I V E R S I T Y O F C O P E N H A G E N User guide for the application process of the online application portal Applying through the online application portal This document is a user guide for how

More information

WSR - Weather Surveillance Radar

WSR - Weather Surveillance Radar 1 of 7 Radar by Paul Sirvatka College of DuPage Meteorology WSR - Weather Surveillance Radar It was learned during World War II that electromagnetic radiation could be sent out, bounced off an object and

More information

Progress Towards the Solar Dynamics Observatory

Progress Towards the Solar Dynamics Observatory Progress Towards the Solar Dynamics Observatory Barbara J. Thompson SDO Project Scientist W. Dean Pesnell SDO Assistant Project Scientist Page 1 SDO OVERVIEW Mission Science Objectives The primary goal

More information

NaviPac Alarm Monitor

NaviPac Alarm Monitor NaviPac Alarm Monitor The NaviPac alarm monitor utilizes display and control of user defined and system alarms in NaviPac. The window may be opened from NaviPac Online View, Alarm Monitor Data Acquisition

More information

Lecture 14. Introduction to the Sun

Lecture 14. Introduction to the Sun Lecture 14 Introduction to the Sun ALMA discovers planets forming in a protoplanetary disc. Open Q: what physics do we learn about the Sun? 1. Energy - nuclear energy - magnetic energy 2. Radiation - continuum

More information

ESSENCE: Determining the Nature of Dark Energy with High-z Supernovae

ESSENCE: Determining the Nature of Dark Energy with High-z Supernovae ESSENCE: Determining the Nature of Dark Energy with High-z Supernovae Ryan Foley UC Berkeley ESSENCE Team Equation of State: SupErNovae trace Cosmic Expansion C. Aguilera (NOAO/CTIO) B. Barris (IfA/UH)

More information

2. Molecular stucture/basic

2. Molecular stucture/basic 2. Molecular stucture/basic spectroscopy The electromagnetic spectrum Spectral region for atomic and molecular spectroscopy E. Hecht (2nd Ed.) Optics, Addison-Wesley Publishing Company,1987 Spectral regions

More information

Tire User Guides. ALL ABOUT TIRE'S SIZE. Tire Size Designation For:

Tire User Guides. ALL ABOUT TIRE'S SIZE. Tire Size Designation For: Tire User Guides Pirelli Tire Knowledge Over one hundred years' experience of tire technology has enabled Pirelli to combine in their products maximum levels of security, longevity, comfort and attention

More information

Case Studies on Paper Machine Vibration Problems

Case Studies on Paper Machine Vibration Problems Case Studies on Paper Machine Vibration Problems Andrew K. Costain, B.Sc.Eng. Bretech Engineering Ltd., 70 Crown Street, Saint John, NB Canada E2L 3V6 email: andrew.costain@bretech.com website: www.bretech.com

More information

Coronal Heating Problem

Coronal Heating Problem Mani Chandra Arnab Dhabal Raziman T V PHY690C Course Project Indian Institute of Technology Kanpur Outline 1 2 3 Source of the energy Mechanism of energy dissipation Proposed mechanisms Regions of the

More information

Astronomy of Planets

Astronomy of Planets McDonald Press Releases: Triumphs and Ques7ons Globular Clusters Rotate at Heart Astronomers Discover Ancient Solar System with Five Earth- sized Planets Black Hole Chokes on a Swallowed Star Astronomers

More information

Francesco Piacentini. Title. Page 1

Francesco Piacentini. Title. Page 1 Page 1 Page 2 Layers core -- nuclear burning central part of the Sun radiative zone -- the layer below convection zone where energy is transported by photons convection zone -- layer of the Sun just below

More information

Wave-particle and wave-wave interactions in the Solar Wind: simulations and observations

Wave-particle and wave-wave interactions in the Solar Wind: simulations and observations Wave-particle and wave-wave interactions in the Solar Wind: simulations and observations Lorenzo Matteini University of Florence, Italy In collaboration with Petr Hellinger, Simone Landi, and Marco Velli

More information