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IRS spectra of two ultraluminous infrared galaxies at z=1.3
V. Desai, L. Armus, B. T. Soifer +15
We present low-resolution (64 < R < 124) mid-infrared (8--38 micron) Spitzer/IRS spectra of two z~1.3 ultraluminous infrared galaxies (LFIR~10^13) discovered in a Spitzer/MIPS surv…
Redshifts from Spitzer Spectra for Optically Faint, Radio Selected Infrared Sources
D. W. Weedman, E. Le Floc'h, S. J. U. Higdon +2
Spectra have been obtained with the Infrared Spectrograph on the Spitzer Space Telescope for 18 optically faint sources (R > 23.9,mag) having f(nu) (24um) > 1.0,mJy and having radi…
The 1<z<5 Infrared Luminosity Function of Type I Quasars
Michael J. I. Brown, Kate Brand, Arjun Dey +14
We determine the rest-frame 8 micron luminosity function of type I quasars over the redshift range 1<z<5. Our sample consists of 292 24 micron sources brighter than 1 mJy selected…
Identifying silicate-absorbed ULIRGs at z~1-2 in the Bootes Field using Spitzer/IRS
M. M. Kasliwal, V. Charmandaris, D. Weedman +5
Using the 16m peakup imager on the Infrared Spectrograph (IRS) on Spitzer, we present a serendipitous survey of 0.0392 deg within the area of the NOAO Deep Wide Field Surv…
Mid-Infrared Spectra of Classical AGN Observed with the Spitzer Space Telescope
D. W. Weedman, Lei Hao, S. J. U. Higdon +6
Full low resolution (65<R<130) and high resolution (R~600) spectra between 5 microns and 37 microns obtained with the Infrared Spectrograph (IRS) on the Spitzer Space Telescope are…
The Detection of Silicate Emission from Quasars at 10 and 18 Microns
Lei Hao, H. W. W. Spoon, G. C. Sloan +8
We report the spectroscopic detection of silicate emission at 10 and 18 microns in five PG quasars, the first detection of these two features in galaxies outside the Local Group. T…