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The 15 - 20 Micron Spitzer Spectra of Interstellar Emission Features in NGC 7023
K. Sellgren, K. I. Uchida, M. W. Werner
We present 15 - 20 micron long-slit spectra, from the Infrared Spectrograph (IRS) on Spitzer, of NGC 7023. We observe recently-discovered interstellar emission features, at 15.9, 1…
Discovery of Two T Dwarf Companions with the Spitzer Space Telescope
K. L. Luhman, B. M. Patten, M. Marengo +12
We report the discovery of T dwarf companions to the nearby stars HN Peg (G0V, 18.4 pc, ~0.3 Gyr) and HD 3651 (K0V, 11.1 pc, ~7 Gyr). During an ongoing survey of 5'x5' fields surro…
Debris Disk Evolution Around A Stars
K. Y. L. Su, G. H. Rieke, J. A. Stansberry +8
We report 24 and/or 70 um measurements of ~160 A-type main-sequence stars using the Multiband Imaging Photometer for Spitzer (MIPS). Their ages range from 5 to 850 Myr based on est…
Spitzer SAGE survey of the Large Magellanic Cloud II: Evolved Stars and Infrared Color Magnitude Diagrams
R. D. Blum, J. R. Mould, K. A. Olsen +47
Color-magnitude diagrams (CMDs) are presented for the Spitzer SAGE (Surveying the Agents of a Galaxy's Evolution) survey of the Large Magellanic Cloud (LMC). IRAC and MIPS 24 um ep…
First Fruits of the Spitzer Space Telescope: Galactic and Solar System Studies
M. Werner, G. Fazio, G. Rieke +2
This article provides a brief overview of the Spitzer Space Telescope and discusses its initial scientific results on galactic and solar system science.
A Spitzer/IRAC Search for Substellar Companions of the Debris Disk Star epsilon Eridani
M. Marengo, S. T. Megeath, G. G. Fazio +3
We have used the InfraRed Array Camera (IRAC) onboard the Spitzer Space telescope to search for low mass companions of the nearby debris disk star epsilon Eridani. The star was obs…