The size and thermal properties of the nucleus of Comet 22P/Kopff

Details The size and thermal properties of the nucleus of Comet 22P/Kopff The size and thermal properties of the nucleus of Comet 22P/Kopff

Feb 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009icar..199..568g&link_type=abstract

Icarus, Volume 199, Issue 2, p. 568-570.

Physics

5

Scientific paper

We detected the nucleus of Comet 22P/Kopff at 4.87 AU from the Sun with the two IRS peak-up cameras of the Spitzer Space Telescope on April 19, 2007. Using the thermal model of [Groussin, O., and 15 colleagues, 2007. Icarus 187, 16 25], we derive a nucleus size of 1.89±0.16 km, in agreement with [Lamy, P., Toth, I., Jorda, L., Groussin, O., A'Hearn, M.F., Weaver, H.A., 2002. Icarus 156, 442 455], and a thermal inertia I⩽30 JKms.

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