Circumstellar envelopes around evolved stars

Details Circumstellar envelopes around evolved stars Circumstellar envelopes around evolved stars

Aug 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986esasp.260..119w&link_type=abstract

In ESA Proceedings of an ESA Workshop on a Spaceborne Submillimeter Astronomy Mission. A Cornerstone of the ESA Long Term Scienc

Astronomy and Astrophysics

Astronomy

1

Infrared Astronomy, Molecular Gases, Spaceborne Astronomy, Stellar Composition, Stellar Envelopes, Submillimeter Waves, Esa Satellites, Satellite Design, Spaceborne Telescopes

Scientific paper

The composition of circumstellar envelopes, and their observation by the ESA Far Infrared Submillimeter Wave Space Telescope (FIRST) are discussed. Circumstellar shells are ideally suited to submillimeter or far infrared wavelengths, where emission lines and dust emission are very strong. With FIRST, spatial mapping should be possible in many objects, providing information complementary to that available from existing techniques. It will probe radii of 10 to the 15th to 17th power cm, distant for near infrared techniques but close for millimeter observations. Requirements placed on the FIRST mission by such observations include high spectral resolution, large aperture size and long mission duration. Examples of infrared and (sub)millimeter results which demonstrate convincingly the potential for such observations are reviewed.

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