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Spitzer observations of mutual events in the binary system (617) Patroclus-Menoetius

Mueller, Michael and Marchis, Franck and Emery, Josh and Berthier, Jerome and Hestroffer, Daniel and Harris, Alan and Descamps, Pascal and Vachier, Frederic and Mottola, Stefano (2007) Spitzer observations of mutual events in the binary system (617) Patroclus-Menoetius. In: American Astronomical Society, DPS meeting 39, 16.02. American Astronomical Society. American Astronomical Society, DPS meeting 39, 2007-10-7 - 2007-10-12, Orlando, Florida, USA.

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Abstract

We report Spitzer observations of the binary Trojan system (617) Patroclus-Menoetius during two mutual events, when respectively one component shadowed and occulted the other. Observing the thermal response to mutual shadowing with spectral ( 8--33 µm) and temporal resolution allowed us to determine the system's thermal inertia in a uniquely direct way. Furthermore, our analysis provided an accurate determination of the system's size which is methodologically independent of the estimate by Berthier et al. (this session). Our results allow a more reliable estimate of the system's bulk density (the total mass was determined from the system's mutual orbit; Marchis et al., 2006; Berthier et al., this session). This work is based on observations made with the Spitzer Space Telescope, which is operated by the Jet Propulsion Laboratory, California Institute of Technology under a contract with NASA. Support for this work was provided by NASA through an award issued by JPL/Caltech. This material is partly based upon work supported by the national Aeronautics and Space Administration issue through the Science Mission Directorate Research and Analysis Programs number NNG05GF09G.

Item URL in elib:https://elib.dlr.de/52687/
Document Type:Conference or Workshop Item (Speech)
Title:Spitzer observations of mutual events in the binary system (617) Patroclus-Menoetius
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Mueller, MichaelUNSPECIFIEDUNSPECIFIED
Marchis, FranckUniversity of California, Berkeley, USAUNSPECIFIED
Emery, JoshNASA Ames, SETI InstituteUNSPECIFIED
Berthier, JeromeParis Observatory, FranceUNSPECIFIED
Hestroffer, DanielParis Observatory, FranceUNSPECIFIED
Harris, AlanUNSPECIFIEDUNSPECIFIED
Descamps, PascalParis Observatory, FranceUNSPECIFIED
Vachier, FredericParis Observatory, FranceUNSPECIFIED
Mottola, StefanoUNSPECIFIEDUNSPECIFIED
Date:October 2007
Journal or Publication Title:American Astronomical Society, DPS meeting 39, 16.02
Refereed publication:No
Open Access:No
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
Editors:
EditorsEmail
American Astronomical Society, UNSPECIFIED
Publisher:American Astronomical Society
Status:Published
Keywords:Trojan asteroids, Binary asteroids, Infrared observations, Spitzer
Event Title:American Astronomical Society, DPS meeting 39
Event Location:Orlando, Florida, USA
Event Type:international Conference
Event Dates:2007-10-7 - 2007-10-12
Organizer:American Astronomical Society
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 > Asteroids and Comets
Deposited By: Harris, Prof. Alan
Deposited On:15 Jan 2008
Last Modified:27 Apr 2009 14:37

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