Title

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

Authors

Authors

O. Groussin; R. Lamy; I. Toth; M. Kelley; Y. Fernandez; M. A'Hearn; H. Campins; J. Licandro; C. Lisse; S. Lowry; K. Meech;C. Snodgrass

Comments

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Abstract

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, 0., A'Hearn, M.F, Weaver, H.A., 2002. Icarus 156, 442-455], and a thermal inertia 1 <= 30 J K(-1) m(-2) S(-1/2). (C) 2008 Elsevier Inc. All rights reserved.

Journal Title

Icarus

Volume

199

Issue/Number

2

Publication Date

1-1-2009

Document Type

Article

First Page

568

Last Page

570

WOS Identifier

WOS:000263250600031

ISSN

0019-1035

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