Spitzer Space TelescopeObservations of the Nucleus of Comet 103P/Hartley 2

M. Lisse, C.; R. Fernández, Y.; T. Reach, W.; M. Bauer, J.; F. A’Hearn, Michael; L. Farnham, T.; Groussin, O.; J. S. Belton, M.; J. Meech, K.; Snodgrass, C.

doi:10.1086/605546

Public

Spitzer Space TelescopeObservations of the Nucleus of Comet 103P/Hartley 2

Published in Publications of the Astronomical Society of the Pacific • Aug 20, 2009

Authors:

C. M. Lisse

Y. R. Fernández

W. T. Reach

Abstract

We have used the Spitzer Space Telescope InfraRed Spectrograph (IRS) 22-μm peakup array to observe thermal emission from the nucleus and trail of comet 103P/Hartley 2, the target of NASA's Deep Impact Extended Investigation (DIXI). The comet was observed on UT 2008 August 12 and 13, while 5.5 AU fro...

Subject

Spitzer Space Telescope

Physics

Comet

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