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Spitzer Planet Limits around the Pulsating White Dwarf GD66
Fergal Mullally, William T. Reach, Steven Degennaro +1
We present infrared observations in search of a planet around the white dwarf, GD66. Time-series photometry of GD66 shows a variation in the arrival time of stellar pulsations cons…
A spatially resolved study of photoelectric heating and [CII] cooling in the LMC
D. Rubin, S. Hony, S. C. Madden +20
(abridged) We study photoelectric heating throughout the Large Magellanic Cloud. We quantify the importance of the [CII] cooling line and the photoelectric heating process of vario…
The Dust cloud around the White Dwarf G 29-38. 2. Spectrum from 5-40 microns and mid-infrared variability
William T. Reach, Carey Lisse, Ted von Hippel +1
We model the mineralogy and distribution of dust around the white dwarf G29-39 using the infrared spectrum from 1-35 microns and combining a wide range of materials based on spectr…
Spitzer Spectral Mapping of Supernova Remnant Cassiopeia A
J. D. T. Smith, Lawrence Rudnick, Tracey Delaney +5
We present the global distribution of fine structure infrared line emission in the Cassiopeia A supernova remnant using data from the Spitzer Space Telescope's Infrared Spectrograp…
Photometry using the Infrared Array Camera on the Spitzer Space Telescope
Joseph L. Hora, Sean Carey, Jason Surace +13
We present several corrections for point source photometry to be applied to data from the Infrared Array Camera (IRAC) on the Spitzer Space Telescope. These corrections are necessa…
Properties of protostars in the Elephant Trunk globule IC 1396A
William T. Reach, Dohy Faied, Jeonghee Rho +7
Extremely red objects, identified in the early Spitzer Space Telescope observations of the bright-rimmed globule IC 1396A and photometrically classified as Class I protostars Class…