Spitzer Observations of Mutual Events in the Binary System (617) Patroclus-Menoetius

Mueller, M., Marchis, F., Emery, J. P., Berthier, J., Hestroffer, D., Harris, A., Descamps, P., Vachier, F. & Mottola, S., 1-Oct-2007, In : Bulletin of the American Astronomical Society. 39, p. 439

Research output: Contribution to journalMeeting AbstractAcademic

  • Michael Mueller
  • F. Marchis
  • J. P. Emery
  • J. Berthier
  • D. Hestroffer
  • A. Harris
  • P. Descamps
  • F. Vachier
  • S. Mottola
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.
Original languageEnglish
Pages (from-to)439
JournalBulletin of the American Astronomical Society
Publication statusPublished - 1-Oct-2007
Event39th DPS Meeting of the American Astronomical Society - Orlando, Florida, United States
Duration: 7-Oct-200712-Oct-2007


39th DPS Meeting of the American Astronomical Society


Orlando, Florida, United States

Event: Conference

ID: 21129789