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SSG Workshop 2013.02.13-16 경희대 김은빈 김민배 천경원

SSG Workshop 2013.02.13-16 경희대 김은빈 김민배 천경원 . The GMT- CfA , Carnagie , Catolica , Chicago Large Earth Finder (G-CLEF). G-CLEF. A fiber fed, optical echelle spectrograph Precision radial velocity capability (PRV ): dV <10cm/sec

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SSG Workshop 2013.02.13-16 경희대 김은빈 김민배 천경원

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  1. SSG Workshop 2013.02.13-16 경희대 김은빈 김민배 천경원 The GMT-CfA, Carnagie, Catolica, Chicago Large Earth Finder (G-CLEF)

  2. G-CLEF • A fiber fed, optical echelle spectrograph • Precision radial velocity capability (PRV): dV<10cm/sec • Observation mode : High- Throughput (HT), Precision- Abundance (PA), and Precision Radial Velocity (PRV) • Respective resolving powers : R~25,000, 40,000 and 120,000 • R~40,000 multi-object spectroscopy mode with a multiplex of ~40 fibers * Collaboration : Smithsonian Astrophysical Observatory, Pontificia Universidad Catolica de Chile, University of Chicago, Harvard University, Observatories of the Carnegie Institute of Washington

  3. Scientific goal

  4. G-CLEF System Design

  5. G-CLEF System Design

  6. G-CLEF Optical Design G-CLEF Spectrograph optical layout

  7. G-CLEF Optical Design G-CLEF Spectrograph optical design parameters

  8. G-CLEF Optical Design G-CLEF echellograms

  9. G-CLEF Optical Design Efficiency of the spectrograph

  10. Thermo-Mechanical Design Schematic of G-CLEF thermal enclosure design

  11. Thermo-Mechanical Design Mechanical design of the G-CLEF spectrograph and vacuum enclosure

  12. Schedule

  13. References • Szentgyorgyi, A. et al. 2011 • k-gmt.kasi.re.kr/html/GMT/ • kasi.re.kr/event/2012-06-11_K-GMT_Summer_School/GMT_Instruments-spec.pdf • http://www.gmto.org

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