IRAS images of Comet Tempel 2

Details IRAS images of Comet Tempel 2 IRAS images of Comet Tempel 2

Jul 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990icar...86..228c&link_type=abstract

Icarus (ISSN 0019-1035), vol. 86, July 1990, p. 228-235. Research supported by the Jamieson Science and Engineering, Inc. and NA

Astronomy and Astrophysics

Astronomy

15

Cometary Atmospheres, Infrared Astronomy Satellite, Meteoroid Dust Clouds, Tempel 2 Comet, Infrared Imagery, Particle Size Distribution, Spatial Distribution, Comets, Tempel 2, Iras Satellite, Satellite Observations, Infrared, Wavelengths, Structure, Comparisons, Theoretical Studies, Models, Comae, Dust, Particles, Grains, Size, Diagrams, Procedure, Dynamics, Analysis, Comet Tails

Scientific paper

The present IRAS images of Comet Tempel 2, obtained on August 28, 1983 at 12, 25, 60, and 100 microns, have undergone removal of instrumental effects. The spatial structure in these IR images has been interpreted in light of comparisons with a series of theoretical models based on different dust properties. It is judged that Tempel 2's outer dust coma is dominated by partices of several-mm size, assuming a 1 g/cu cm density, and that a population of particles that are even larger in size forms the so-called 'dust trail' shown by the present images. This richness in large dust grains distinguishes Tempel 2 from other comets subjected to IR imaging observations.

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