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Properties of 19P/Borelly

Möhlmann, D. (2007) Properties of 19P/Borelly. Advances in Space Research, 39, pp. 428-431. Elsevier. DOI: 10.1016/j.asr.2004.09.026 ISSN 0273-1177

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Abstract

Properties as temperatures, sublimation, and outgassing rates, are determined for different surface parameters to model the surface of the nucleus of comet 19P/Borrelly. The derived outgassing properties indicate that only about 6% of the day-side surface of this cometary nucleus can be expected to contribute to the astronomically observed gas production rate. This is in agreement with DS-1 imaging and thermal measurement results. The small value of the day-side active areas indicates a Halley-type surface of only locally restricted active areas or zones, while most of the surface is passive but hot with maximum temperatures above 300 K. Thus, it is expected that the comet surface is mainly covered by a hot upper surface layer of refractory materials. The temperature of the local active areas with free sublimation is expected in the range of about 200 K.

Item URL in elib:https://elib.dlr.de/45440/
Document Type:Article
Additional Information:zuerst Online-Veröffentlichung
Title:Properties of 19P/Borelly
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Möhlmann, D.UNSPECIFIEDUNSPECIFIED
Date:2007
Journal or Publication Title:Advances in Space Research
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:Yes
Volume:39
DOI :10.1016/j.asr.2004.09.026
Page Range:pp. 428-431
Publisher:Elsevier
ISSN:0273-1177
Status:Published
Keywords:Comets, Comet surfaces, Sublimation, 19/P Borrelly
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Space (old)
HGF - Program Themes:W EW - Erforschung des Weltraums
DLR - Research area:Space
DLR - Program:W EW - Erforschung des Weltraums
DLR - Research theme (Project):W - Vorhaben Asteroiden und Kometen (old)
Location: Berlin-Adlershof
Institutes and Institutions:Institute of Planetary Research
Deposited By: Pieth, Susanne
Deposited On:04 May 2007
Last Modified:27 Apr 2009 13:14

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