Astronomy and Astrophysics – Astronomy
Scientific paper
Jan 1983
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983spie..428..297s&link_type=abstract
IN: Infrared technology IX; Proceedings of the Ninth Annual Meeting, San Diego, CA, August 23-25, 1983 (A85-22673 09-35). Bellin
Astronomy and Astrophysics
Astronomy
2
Infrared Astronomy, Infrared Astronomy Satellite, Galactic Radiation, Galaxies, Infrared Spectra, Iras-Araki-Alcock Comet, Stellar Evolution, Thermal Radiation
Scientific paper
The Infrared Astronomy Satellite (IRAS) was successfully launched on 25 January 1983. The goals of this joint U.S., Dutch, and British project were twofold. The first, and most important, goal was to perform an unbiased all-sky survey at wavelengths of 12, 25, 60, and 100 microns to establish the importance of infrared emission in the energy balance of the universe, to map the diffuse emission from the Galaxy and the material in the solar system, and to obtain low resolution spectra of the brightest sources identified at 12 and 25 microns. A second mission objective was to study specific known astronomical objects in more detail to gain higher sensitivity or higher spatial resolution than that achievable by normal survey observations. The satellite is now seven months into its one year mission life, and survey operations are exceeding prelaunch expectations. The initial all-sky survey was completed on 26 August 1983. In the last four months of the mission a second all-sky survey will be conducted to enhance the survey completeness. A previous paper in the proceedings of this conference (Low et al., 1983) has described the design and performance of the satellite. In this paper a description is provided of some of the early scientific results from the IRAS mission.
Beichman Charles Arnold
Houck James R.
Neugebauer Gernot
Rowan-Robinson Michael
Soifer Thomas B.
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