The Cosmic Origins Spectrograph: Design, Preflight Performance and Science Goals

Details The Cosmic Origins Spectrograph: Design, Preflight Performance and Science Goals The Cosmic Origins Spectrograph: Design, Preflight Performance and Science Goals

May 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009aps..apr.c8002o&link_type=abstract

American Physical Society, 2009 APS April Meeting, May 2-5, 2009, abstract #C8.002

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The Cosmic Origins Spectrograph (COS) is a new ultraviolet spectrograph which will be installed into the Hubble Space Telescope (HST) as part of the upcoming Servicing Mission 4. COS will be the most sensitive ultraviolet spectrograph ever flown aboard HST, and is optimized for observing faint, point source targets at low and moderate spectral resolutions (R˜ 1500-3500 and 16,000-20,000) at wavelengths ranging from 115 nm to 320 nm. The principal scientific objectives of the mission include the study of the origins of large-scale structures in the universe, the formation and evolution of galaxies, the origin of stellar and planetary systems and the cold interstellar medium. We will present the instrument design, preflight performance, projected on-orbit capabilities, and the key scientific objectives of the mission.

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