Astronomy and Astrophysics – Astronomy
Scientific paper
Aug 1986
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986esasp.260..219d&link_type=abstract
In its Proceedings of an ESA Workshop on a Spaceborne Submillimeter Astronomy Mission. A Cornerstone of the ESA Long Term Scienc
Astronomy and Astrophysics
Astronomy
Astronomical Satellites, Esa Satellites, European Space Programs, Far Infrared Radiation, Infrared Telescopes, Submillimeter Waves, Satellite-Borne Instruments, Spaceborne Astronomy, Spaceborne Telescopes
Scientific paper
The reasons ESA chose a submillimeter observatory (FIRST) as a cornestone mission are summarized. Many key problems in astrophysics, such as the chemistry and dynamics of molecular clouds, the mechanisms of star formation, and cosmology, may be addressed with such an observatory. Ground-based astronomy is virtually impossible at these wavelengths due to the extreme opacity of the Earth's atmosphere. The availability of heterodyne techniques permits observations of enormous spectral resolving power. Velocity information can be extracted to below the level of 1 km/sec. This distinguishes FIRST markedly from infrared missions such as IRAS and ISO. Instrument specifications are outlined.
Douglas Nigel G.
Frisk U. O.
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