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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…
Spitzer Observations of Deeply Obscured Galactic Nuclei
H. W. W. Spoon, J. V. Keane, J. Cami +4
We report on our first results from a mid-infrared spectroscopic study of ISM features in a sample of deeply obscured ULIRG nuclei using the InfraRed Spectrograph (IRS) on the Spit…
An Initial Look at the Far Infrared-Radio Correlation within Nearby Star-forming Galaxies using the Spitzer Space Telescope
E. J. Murphy, R. Braun, G. Helou +25
(Abridged) We present an initial look at the far infrared-radio correlation within the star-forming disks of four nearby, nearly face-on galaxies (NGC 2403, NGC 3031, NGC 5194, and…
Detection of the Buried AGN in NGC 6240 with the Infrared Spectrograph on The Spitzer Space Telescope
L. Armus, J. Bernard-Salas, H. W. W. Spoon +10
We present mid-infrared spectra of the nearby, Ultraluminous Infrared Galaxy NGC 6240 taken with the IRS on Spitzer. The spectrum of NGC 6240 is dominated by strong fine-structure…
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…
Spitzer 70 and 160-micron Observations of the Extragalactic First Look Survey
D. T. Frayer, D. Fadda, L. Yan +33
We present Spitzer 70um and 160um observations of the Spitzer extragalactic First Look Survey (xFLS). The data reduction techniques and the methods for producing co-added mosaics a…
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…
van der Kruit to Spitzer: A New Look at the FIR-Radio Correlation
Eric J. Murphy, Robert Braun, George Helou +3
We present an initial look at the far infrared-radio correlation within the star-forming disks of four nearby, nearly face-on galaxies (NGC~2403, NGC~3031, NGC~5194, and NGC~6946).…
Millimeter observations of obscured Spitzer 24 micron sources
D. Lutz, L. Yan, L. Armus +4
We present MAMBO 1.2mm observations of 40 extragalactic sources from the Spitzer First Look Survey that are bright in the mid-infrared (S_24um>1mJy) but optically obscured (log_10…
Spitzer Observations Of The Supergiant Shell Region In IC 2574
John M. Cannon, Fabian Walter, George J. Bendo +15
We present spatially resolved Spitzer imaging of the supergiant shell region of the M81 group dwarf galaxy IC 2574 obtained as part of the Spitzer Infrared Nearby Galaxies Survey.…
Infrared Spectral Energy Distributions of Nearby Galaxies
D. A. Dale, G. J. Bendo, C. W. Engelbracht +25
The Spitzer Infrared Nearby Galaxies Survey (SINGS) is carrying out a comprehensive multi-wavelength survey on a sample of 75 nearby galaxies. The 1-850um spectral energy distribut…
16 micron Imaging around the Hubble Deep Field North with the Spitzer IRS
H. I. Teplitz, V. Charmandaris, R. Chary +4
We present a pilot study of 16 micron imaging within the GOODS northern field. Observations were obtained using the PeakUp imaging capability of the Spitzer IRS. We survey 35 squar…
Star Formation in NGC5194 (M51a): The Panchromatic View from GALEX to Spitzer
D. Calzetti, R. C. Kennicutt, L. Bianchi +32
(Abridged) Far ultraviolet to far infrared images of the nearby galaxy NGC5194, from Spitzer, GALEX, Hubble Space Telescope and ground--based data, are used to investigate local an…
The Infrared Array Camera component of the Spitzer Space Telescope Extragalactic First Look Survey
M. Lacy, G. Wilson, F. Masci +19
We present Infrared Array Camera (IRAC) data and source catalogs from the Spitzer Space Telescope Extragalactic First Look Survey. The data were taken in four broad bands centered…
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…
An Initial Look at the FIR-Radio Correlation within M51a using Spitzer
Eric J. Murphy, Lee Armus, George Helou +2
We present an initial look at the FIR-radio correlation within the star-forming disk of M51a using {\it Spitzer} MIPS imaging, observed as part of the {\it Spitzer} Infrared Nearby…
Spectroscopic Redshifts to z > 2 for Optically Obscured Sources Discovered with the Spitzer Space Telescope
J. R. Houck, B. T. Soifer, D. Weedman +12
We have surveyed a field covering 9.0 degrees^2 within the NOAO Deep Wide-Field Survey region in Bootes with the Multiband Imaging Photometer on the Spitzer Space Telescope (SST) t…