Infrared and submillimeter astronomy from space

Details Infrared and submillimeter astronomy from space Infrared and submillimeter astronomy from space

Apr 1983

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983s%26t....65..312s&link_type=abstract

Sky and Telescope, vol. 65, Apr. 1983, p. 312-315.

Astronomy and Astrophysics

Astronomy

1

Hubble Space Telescope, Infrared Astronomy, Infrared Telescopes, Spaceborne Astronomy, Submillimeter Waves, Active Galactic Nuclei, Angular Resolution, Astronomical Photography, Cryogenics, High Resolution, Large Deployable Reflector, Space Infrared Telescope Facility, Space Shuttle Payloads

Scientific paper

The benefits of space-based IR astronomy are explored, as are the capabilities of existing, under construction, and proposed orbiting IR telescopes. Ground-based IR astronomy is limited by atmospheric effects, while space-based IR viewing offers access to IR and submillimeter wavelengths. The IR astronomy satellite (IRAS) launched in January 1983 is mapping the full sky at four wavelength intervals between 8-120 microns. Operating at cryogenic temperatures, the IRAS is expected to detect 100,000 objects with 100 arcsec resolution at 100 microns. A Shuttle IR telescope facility (SIRTF) will be a cryogenic 1 m telescope sensing in the 10-50 microns range. It will be able to image star nurseries in the 1990s decade. The low resolution of the IRAS and SIRTF have encouraged a proposal for an orbiting 20 m large deployable telescope (LDR) for diffraction-limited viewing at 50 microns and longer wavelengths. Shuttle visits would be scheduled for refurbishing the observatory, which would be assembled in orbit. Studies of the 3 K background, prestellar objects, and active galactic nuclei would be possible with the LDR, which would be part of an orbiting observatory and laboratory complex.

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