A search for frosts in Comet Bowell /1980b/

Details A search for frosts in Comet Bowell /1980b/ A search for frosts in Comet Bowell /1980b/

Dec 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982aj.....87.1867c&link_type=abstract

Astronomical Journal, vol. 87, Dec. 1982, p. 1867-1873. NASA-NSF-supported research.

Astronomy and Astrophysics

Astronomy

9

Astronomical Spectroscopy, Comet Nuclei, Frost, Infrared Astronomy, Spectral Signatures, Astronomical Models, Brightness, Broadband, Cometary Atmospheres, Reflectance, Volatility

Scientific paper

Infrared observations of Comet Bowell represent the first search for frost signatures in a comet beyond 2 AU from the sun. Broad- and narrowband photometry has been obtained as well as CVF spectrophotometry of this comet and there is no evidence for absorption features in the spectral area between 1.25 and 2.3 microns. Models of the coma have been generated which constrain the volatile content of the grains an; are in agreement with the observed albedo. The darkness of the coma particles at large heliocentric distances indicates a low albedo nucleus as well. Brightness variations during the observing period seem to indicate an active nucleus at 4.5 AU from the sun.

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