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Absolute Physical Calibration in the Infrared
G. H. Rieke, M. Blaylock, L. Decin +11
We determine an absolute calibration for the MIPS 24 microns band and recommend adjustments to the published calibrations for 2MASS, IRAC, and IRAS photometry to put them on the sa…
Spitzer Observations of Supernova Remnant IC 443
A. Noriega-Crespo, D. C. Hines, K. Gordon +4
We present Spitzer observations of IC 443 obtained with MIPS and IRS as part of our GTO program on the astrophysics of ejecta from evolved stars. We find that the overall morpholog…
Metallicity Effects on Dust Properties in Starbursting Galaxies
C. W. Engelbracht, G. H. Rieke, K. D. Gordon +5
We present infrared observations of 66 starburst galaxies over a wide range of oxygen abundances, to measure how metallicity affects their dust properties. The data include imaging…
SPITZER SAGE Observations of Large Magellanic Cloud Planetary Nebulae
J. L. Hora, M. Cohen, R. G. Ellis +14
We present IRAC and MIPS images and photometry of a sample of previously known planetary nebulae (PNe) from the SAGE survey of the Large Magellanic Cloud (LMC) performed with the S…
High-resolution radio continuum survey of M33 II. Thermal and nonthermal emission
F. S. Tabatabaei, R. Beck, E. Krügel +4
We determine the variation in the nonthermal radio spectral index in the nearby spiral galaxy M33 at a linear resolution of 360 pc. We separate the thermal and nonthermal component…
Gaps in the cloud cover? Comparing extinction measures in spiral disks
B. W. Holwerda, M. Meyer, M. Regan +11
Dust in galaxies can be mapped by either the FIR/sub-mm emission, the optical or infrared reddening of starlight, or the extinction of a known background source. We compare two dus…
Absolute Calibration and Characterization of the Multiband Imaging Photometer for Spitzer. III. An Asteroid-based Calibration of MIPS at 160 microns
J. A. Stansberry, K. D. Gordon, B. Bhattacharya +15
We describe the absolute calibration of the Multiband Imaging Photometer for Spitzer (MIPS) 160 micron channel. After the on-orbit discovery of a near-IR ghost image that dominates…
Absolute Calibration and Characterization of the Multiband Imaging Photometer for Spitzer. I. The Stellar Calibrator Sample and the 24 micron Calibration
C. W. Engelbracht, M. Blaylock, K. Y. L. Su +23
We present the stellar calibrator sample and the conversion from instrumental to physical units for the 24 micron channel of the Multiband Imaging Photometer for Spitzer (MIPS). Th…
A multi-scale study of infrared and radio emission from Scd galaxy M33
F. S. Tabatabaei, R. Beck, M. Krause +9
We investigate the energy sources of the infrared (IR) emission and their relation to the radio continuum emission at various spatial scales within the Scd galaxy M33. We use the w…
The Mid-Infrared Spectrum of Star-Forming Galaxies: Global Properties of PAH Emission
J. D. T. Smith, B. T. Draine, D. A. Dale +15
We present a sample of low-resolution 5-38um Spitzer IRS spectra of the inner few square kiloparsecs of 59 nearby galaxies spanning a large range of star formation properties. A ro…
An Ultraviolet-to-Radio Broadband Spectral Atlas of Nearby Galaxies
D. A. Dale, A. Gil de Paz, K. D. Gordon +28
The ultraviolet-to-radio continuum spectral energy distributions are presented for all 75 galaxies in the Spitzer Infrared Nearby Galaxies Survey (SINGS). A principal component ana…
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…
Dusty waves on a starry sea: the mid-infrared view of M31
P. Barmby, M. L. N. Ashby, L. Bianchi +13
Mid-infrared observations of the Andromeda galaxy, M31, obtained with the Infrared Array Camera on board the Spitzer Space Telescope, are presented. The image mosaics cover areas o…
Mid-Infrared Spectral Diagnostics of Nuclear and Extra-Nuclear Regions in Nearby Galaxies
D. A. Dale, J. D. T. Smith, L. Armus +19
Mid-infrared diagnostics are presented for a large portion of the Spitzer Infrared Nearby Galaxies Survey (SINGS) sample plus archival data from the Infrared Space Observatory and…
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…
Frequency of Debris Disks around Solar-Type Stars: First Results from a Spitzer/MIPS Survey
G. Bryden, C. A. Beichman, D. E. Trilling +1
We have searched for infrared excesses around a well defined sample of 69 FGK main-sequence field stars. These stars were selected without regard to their age, metallicity, or any…
The Vega Debris Disk -- A Surprise from Spitzer
K. Y. L. Su, G. H. Rieke, K. A. Misselt +13
We present high spatial resolution mid- and far-infrared images of the Vega debris disk obtained with the Multiband Imaging Photometer for Spitzer (MIPS). The disk is well resolved…
An Extremely Large Excess of 18O in the Hydrogen-Deficient Carbon Star, HD 137613
Geoffrey C. Clayton, Falk Herwig, T. R. Geballe +4
We report the discovery of a uniquely large excess of 18O in the hydrogen-deficient carbon (HdC) star, HD 137613, based on a spectrum of the first overtone bands of CO at 2.3-2.4 m…
Reduction Algorithms for the Multiband Imaging Photometer for Spitzer: 6 Months of Flight Data
K. D. Gordon, G. H. Rieke, C. W. Engelbracht +27
The first six months of flight data from the Multiband Imaging Photometer for Spitzer (MIPS) were used to test MIPS reduction algorithms based on extensive preflight laboratory dat…
Planets and IR Excesses: Preliminary Results from a Spitzer/MIPS Survey of Solar-Type Stars
C. A. Beichman, G. Bryden, G. H. Rieke +10
As part of a large Spitzer/MIPS GTO program, we have searched for infrared excesses due to debris disks toward 26 FGK field stars known from radial velocity (RV) studies to have on…
The Anatomy of Star Formation in NGC 300
G. Helou, H. Roussel, P. Appleton +19
The Spitzer Space Telescope was used to study the mid-infrared to far-infrared properties of NGC 300, and to compare dust emission to Halpha to elucidate the heating of the ISM and…
Far Infrared Source Counts at 70 and 160 microns in Spitzer Deep Surveys
H. Dole, E. Le Floc'h, P. G. Perez-Gonzalez +21
We derive galaxy source counts at 70 and 160 microns using the Multiband Imaging Photometer for Spitzer (MIPS) to map the Chandra Deep Field South (CDFS) and other fields. At 70 mi…
SPITZER Observations of the SCUBA/VLA Sources in the Lockman Hole: Star Formation History of Infrared-Luminous Galaxies
E. Egami, H. Dole, J. -S. Huang +24
We present Spitzer IRAC (3.6, 4.5, 5.8, 8.0 um) and MIPS (24 um) observations of the SCUBA submillimeter sources and uJy VLA radio sources in a 5'x5' area in the Lockman Hole East…
Spatially Resolved Ultraviolet, H-alpha, Infrared, and Radio Star Formation in M81
K. D. Gordon, P. G. Perez-Gonzalez, K. A. Misselt +26
We present Multiband Imaging Photometer for Spitzer (MIPS) observations of M81 at 24, 70, and 160 micron. The grand design nature of M81 is clearly seen, showing two well resolved…