Astronomy and Astrophysics – Astrophysics
Scientific paper
Jan 2009
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009aas...21345808s&link_type=abstract
American Astronomical Society, AAS Meeting #213, #458.08; Bulletin of the American Astronomical Society, Vol. 41, p.363
Astronomy and Astrophysics
Astrophysics
Scientific paper
The Telescope for Habitable Earth and Interstellar/Intergalactic Astronomy (THEIA) is a multi-instrument space-telescope concept for a 4-m diffraction-limited telescope operating at UV/visible wavelengths. THEIA will have an internal coronagraph and an external occulter for discovery and characterization of Earth-like planets orbiting sun-like stars. The eXtrasolar Planet Characterizer (XPC) baseline instruments are three narrow-field cameras for the UV (250-400 nm), blue (400-700 nm), and red (700-1000 nm) with filters, and an integral field spectrograph (IFS) operating in the red. A wide-field high-resolution camera (Star Formation Camera) operating with blue (190-517nm) and red (517-1075 nm) channels will conduct a comprehensive and systematic study of the astrophysical processes and environments relevant for the births and life cycles of stars and their planetary systems. A UV high-resolution spectrograph (UVS) with R=30,000-100,000 in the far-UV (100-200 nm) and near-UV (170-300 nm) will strengthen the foundations of observational cosmology by examining the cosmic web (IGM), its evolution, its interactions with galaxies, and its enrichment with the products of stellar and galactic evolution. With its UV capability, wide-field camera, narrow-field cameras and spectrographs, THEIA is capable of a wide-variety of general astrophysics observing programs, including weak lensing, strong lensing, He II reionization, imaging of damped Ly alpha systems, AGN host galaxies, the atmospheres and environments of massive stars, spectroscopy and imaging of protoplanetary disks, exoplanet transit studies, and more. The THEIA concept study is supported by NASA Astrophysics Strategic Mission Concept Studies.
Dressler Alan
Heap Sally
Jansen Rolf
Jenkins Evan
Kasdin Jeremy
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