Other
Scientific paper
Jan 2010
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010aas...21548106s&link_type=abstract
American Astronomical Society, AAS Meeting #215, #481.06; Bulletin of the American Astronomical Society, Vol. 42, p.571
Other
Scientific paper
The High-ORbit Ultraviolet-visible Satellite (HORUS) is a 2.4-meter class space telescope that 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, to investigate and understand the range of environments, feedback mechanisms, and other factors that most affect the outcome of the star and planet formation process. To do so, HORUS will provide 100 times greater imaging efficiency and more than 10 times greater UV spectroscopic sensitivity than has existed on the Hubble Space Telescope (HST). The HORUS mission will contribute vital information on how solar systems form and whether habitable planets should be common or rare. It also will investigate the structure, evolution, and destiny of galaxies and universe. This program relies on focused capabilities unique to space that no other planned NASA mission will provide: near-UV/visible (200-1075nm) wide-field, diffraction-limited imaging; and high-sensitivity, high-resolution UV (100-170nm) spectroscopy. HORUS is designed to be launched into a semi-stable orbit at Earth-Sun L2. From this vantage HORUS will enjoy a stable environment for thermal and pointing control, and long-duration target visibility. The core HORUS design will provide wide field of view (WFOV) imagery and high efficiency point source FUV spectroscopy using a novel combination of spectral selection and field sharing. The HORUS Optical Telescope Assembly (OTA) design is based on modern light weight mirror technology with a faster primary mirror to shorten the overall package and thereby reduce mass. The OTA uses a three-mirror anastigmat configuration to provide excellent imagery over a large FOV. The UV/optical Imaging Cameras use two 21k x 21k Focal Plane Arrays (FPAs) consisting of thirty-six Si 3.5k x 3.5k CCD elements each. The FUV spectrometer uses cross strip anode based MCPs improved from HST-COS technology.
Beasley Matthew
Calzetti Daniela
Cooke Ben
Desch Steve
Fullerton Alex
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