Astronomy Instrumentation (OIR) Industrial participation in Brazil. Joao Steiner IAG/USP

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1 Astronomy Instrumentation (OIR) Industrial participation in Brazil. Joao Steiner IAG/USP

2 Papers per Biennium Telescopes managed by LNA OPD = Observatório do Pico dos Dias

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4 SOAR Dome Fabrication Steel Work Equatorial Sistemas, Brazil

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6

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8 FAPESP partnership in GMTO João Steiner IAG/USP

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12 GMT Scientific Motivation: top-level areas Extrasolar planets LSST ALMA Stellar Populations and Chemistry Galaxy Building VISTA JWST Black Hole Growth Cosmological Physics SKA First-Light & Reionization 12

13 Founding Partners Astronomy Australia Ltd. The Australian National University Carnegie Institution of Science Harvard University Korean Astronomy and Space Science Institute Smithsonian Institute University of Texas at Austin Texas A&M University University of Arizona University of Chicago Fundação de Amparo à Pesquisa do Estado de São Paulo

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15 Adaptive Secondary (7x 1.1m): voice coil Integral to the telescope: No extra reflections, no extra background Adaptive Optics Modes: - Natural guide star high-strehl (95% Strehl) - Laser guide star high sky coverage - Ground layer (GLAO) correction with natural guide stars 0.6 H-band HST JWST GMT

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17 Brazilian industries interested in: the dome, ton of steel 24 bogies that carry the dome The summit support building

18 First generation Instruments GCLEF High stability spectrograph; R = 25K a 120K GMACS Multi-object spectrograph GMTIFS NIR IFU from.9 to 2.5 micron and R=5K-10K GMTNIRS NIR-Echelle 1-5 micron and R=50K-100K MANIFEST - Facility fiber positioning system for 20 arcmin

19 G-CLEF 3 resolutions (R= , e ) δvr < 10 cm/s

20 The GMT CfA Large Earth Finder (G-CLEF) is a general purpose visible echelle spectrograph that also provides precision radial velocity capabilities. G-CLEF will reside in a gravity invariant and temperature controlled environment on the azimuth disk of the telescope. An optical and fiber relay system will transfer light from the telescope to G-CLEF and will scramble the light within each of the seven sub-apertures in the process. The instrument will support several observing modes with a range of spectral resolutions and input aperture sizes.

21 A high throughput, general purpose multi-object spectrograph optimized for observations of very faint objects. GMACS will be used for studies of galaxy evolution, evolution of the IGM and circumstellar matter, and studies of resolved stellar populations, among other applications.

22 The GMT integral field spectrograph (GMTIFS) builds on the legacy of the NIFS instrument on Gemini. It uses an image slicing micro-mirror system to reformat the focal plane onto the detector. Spaxel scales from 8 to 50mas are provided and all feed an R = 5000 spectrograph that can cover any one of the J, H, or K-bands in a single setting. The instrument also has an imaging channel that will cover the laser tomography AO (LTAO) field while critically sampling the PSF in the J-band.

23 The GMT Near-IR spectrometer (GMTNIRS) is a micron echelle optimized for studies of young stellar objects, debris disks, and protoplanetary systems. It will use Silicon immersion gratings to achieve high spectral resolution in a compact format. Using slits well matched to the diffraction-limited image size from a single segment, GMTNIRS will deliver R = k spectra over 5 (JHKLM) atmospheric windows in a single observation. This represents an enormous gain in observing efficiency compared to current spectrographs that sample only a fraction of a band in a single setting.

24 GCLEF SP Participation 1 - AO 2 - Vibration isolation system 3 - Bench made out of carbon fiber 4 - Assembly tooling 5 - Mechanical parts fabrication 6 - Thermal enclosure 7 Design of specific parts

25 Bench made out of carbon fiber

26 Thermal enclosure

27 The End

28 Projeto temático FAPESP PI: 1) João Steiner MI: 2) Laerte Sodré MI: 3) Augusto Damineli MI: 4) Cláudia Mendes de Oliveira 5) L. R. Abramo 6) Francisco Jablonski 7) F. d Amico 8) E. Cypriano 9) Vera Jatenco 10) Élcio Abdala 11) Marcos Lima 12) Gastão Lima Neto 13) Reuven Opher 14) Cássio Barbosa 15) Alexandre Oliveira 16) Irapuan Rodrigues 17) Angela Krabbe 18) Oli Dors 19) Sérgio Pilling 20) J. Ademir S. Lima 21) Rose C. Santos 22) Francisco Fernandes 23) Deonísio Cieslinski 24) Nelson Leister 25) Alex Carciofi 26) Jacques Lepine 27) Roberto Costa

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