IRAS observations of cometary dust |
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| Authors: | R.G. Walker H.H. Aumann |
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| Affiliation: | Jamieson Science and Engineering, Inc., P.O. Box F1, Felton, CA 95018, USA;Jet Propulsion Laboratory, California Institute of Technology, 4800 Oak Grove Drive, Pasadena, CA 91109, USA |
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| Abstract: | ![]()
The large beam size of the Infrared Astronomy Satellite (IRAS) focal plane detector array is well suited to measuring the low level thermal emission from cometary dust. Eight comets discovered in 1983 and nine previously known periodic comets were observed by IRAS during its ten month active lifetime. Dust production rates are derived for a wide range of heliocentric distances. Grain properties are inferred from application of simple models to the long wavelength spectral energy distribution. |
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