Physics – Optics
Scientific paper
Apr 1997
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997aps..apr.m1210s&link_type=abstract
American Physical Society, APS/AAPT Joint Meeting, April 18-21, 1997, abstract #M12.10
Physics
Optics
Scientific paper
As part of the Origins initiative in the NASA Office of Space Science, the Goddard Space Flight Center and two large aerospace consortia have studied a wide range of concepts for a large (>4m diameter), passively cooled space telescope - the successor to the Hubble Space Telescope (HST). The studies adopted the core science goal of studying the earliest epochs of galaxy formation (3 < z < 30). We review the scientific rationale for the mission and summarize the outcome of the three concept studies. All achieve theoretical imaging sensitivities of 1nJy in the near-IR (1-5 micron) with solar-orbiting telescopes using 6-8m diameter ultra-lightweight primary mirrors. At wavelengths longer than a few micron, they offer speed advantages of the order of 10^6 over a large ground based telescope. Aggressive technology development is required in the areas of cryogenic material characterization, replication of large optics, cryogenic optics, and low noise, large format near-IR detectors. We conclude with plans for further involvement by the astronomy community and industry groups. Additional material is presented on the
Lillie Chuck
Margulis Michael
Mather John C.
Smith Eric P.
Stockman Hervey S.
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