MID-INFRARED VARIABILITY FROM THE SPITZER DEEP WIDE-FIELD SURVEY

@article{Kozowski2010MIDINFRAREDVF,
  title={MID-INFRARED VARIABILITY FROM THE SPITZER DEEP WIDE-FIELD SURVEY},
  author={Szymon Kozłowski and Christopher S. Kochanek and Daniel Stern and Matthew L. N. Ashby and Roberto J. Assef and James J. Bock and Colin James Kelvin Borys and Kate Brand and Mark Brodwin and Michael J. I. Brown and Richard Jacob Cool and Asantha Cooray and Steve Croft and Arjun Dey and Peter Eisenhardt and A H Gonzalez and Varoujan Gorjian and Roger L. Griffith and Norman Grogin and R. J. Ivison and J. Jacob and B. T. Jannuzi and Amy K. Mainzer and Leonidas A. Moustakas and H. J. A. Rottgering and Nick Seymour and H. A. Smith and Spencer Adam Stanford and John R. Stauffer and I. S. Sullivan and Wil J.M. van Breugel and S. P. Willner and Emilio E. Falco Department of Astronomy and The Ohio State University and Center for Cosmology and Astroparticle Physics and Jpl and Harvard--Smithsonian Center for Astrophysics and Caltech and Stsci and School of Cosmic Physics and M University and Department of Astrophysical Sciences and Princeton University. and U. C. Irvine and U. California Berkeley and Noao and Department of Physics Astronomy and University of Central Florida and UK Astronomy Technology Center and R. J. Davis Jodrell Bank Observatory and Edinburgh and Institute of Radio Astronomy and Leiden Observatory and Mullard Space Science Laboratory and U. C. Davis and Spitzer Science Center and Uc Merced and UC Los Angeles},
  journal={The Astrophysical Journal},
  year={2010},
  volume={716},
  pages={530-543}
}
We use the multi-epoch, mid-infrared Spitzer Deep Wide-Field Survey to investigate the variability of objects in 8.1 deg^2 of the NOAO Deep Wide Field Survey Bootes field. We perform a Difference Image Analysis of the four available epochs between 2004 and 2008, focusing on the deeper 3.6 and 4.5 μm bands. Out of 474, 179 analyzed sources, 1.1% meet our standard variability selection criteria that the two light curves are strongly correlated (r > 0.8) and that their joint variance (σ_(12… Expand
Quasar Variability in the Mid-Infrared
The Decadal IRAC Bootes Survey is a mid-IR variability survey of the ~9 sq. deg. of the NDWFS Bootes Field and extends the time baseline of its predecessor, the Spitzer Deep, Wide-Field SurveyExpand
Selection of AGN candidates in the GOODS-South Field through Spitzer/MIPS 24 μm variability
We present a study of galaxies showing mid-infrared variability in data taken in the deepest Spitzer/MIPS 24 mu m surveys in the Great Observatory Origins Deep Survey South field. We divide the dataExpand
SDWFS-MT-1: A self-obscured luminous supernova at z ≃ 0.2
We report the discovery of a 6 month long mid-infrared transient, SDWFS-MT-1 (aka SN 2007va), in the Spitzer Deep, Wide-Field Survey of the NOAO Deep Wide-Field Survey Bootes field. The transient,Expand
AEGIS: A MULTIWAVELENGTH STUDY OF SPITZER POWER-LAW GALAXIES
This paper analyzes a sample of 489 Spitzer/Infrared Array Camera (IRAC) sources in the Extended Groth Strip (EGS), whose spectral energy distributions fit a red power law (PL) from 3.6 to 8.0 {mu}m.Expand
THE ALLEN TELESCOPE ARRAY Pi GHz SKY SURVEY. III. THE ELAIS-N1, COMA, AND LOCKMAN HOLE FIELDS
We present results from a total of 459 repeated 3.1 GHz radio continuum observations (of which 379 were used in a search for transient sources) of the ELAIS-N1, Coma, Lockman Hole, and NOAO Deep WideExpand
A Luminous Transient Event in a Sample of WISE-selected Variable AGNs
Recently Assef et al. presented two catalogs of active galactic nucleus (AGN) candidates over 30,093 deg(2) selected from the Wide-field Infrared Survey Explorer (WISE) observations. From their mostExpand
SDSS J14584479+3720215: a Benchmark JHKS Blazar Light Curve from the 2Mass Calibration Scans
Active galactic nuclei (AGNs) are well-known to exhibit flux variability across a wide range of wavelength regimes, but the precise origin of the variability at different wavelengths remains unclear.Expand
A Search for Rapid Mid-infrared Variability in Gamma-Ray-emitting Narrow-line Seyfert 1 Galaxies
  • L. Mao, T. Yi
  • Physics
  • The Astrophysical Journal Supplement Series
  • 2021
Fermi-LAT’s detection of γ-rays from narrow-line Seyfert 1 galaxies (NLS1s) has received increasing attention. Understanding these γ-NLS1s is of interest because they have some properties similar toExpand
The infrared massive stellar content of M 83
We present an analysis of archival Spitzer images and new ground-based and Hubble Space Telescope (HST) near-infrared (IR) and optical images of the field of M83 with the goal of identifying rare,Expand
THE MAGELLANIC QUASARS SURVEY. II. CONFIRMATION OF 144 NEW ACTIVE GALACTIC NUCLEI BEHIND THE SOUTHERN EDGE OF THE LARGE MAGELLANIC CLOUD
We quadruple the number of quasars known behind the Large Magellanic Cloud (LMC) from 56 (42 in the Optical Gravitational Lensing Experiment (OGLE)-III LMC fields) to 200 by spectroscopicallyExpand
...
1
2
3
4
5
...

References

SHOWING 1-10 OF 47 REFERENCES
The mid-infrared properties of X-ray sources
We combine the results of the Spitzer IRAC Shallow Survey and the Chandra XBootes Survey of the 8.5 deg2 Bootes field of the NOAO Deep Wide-Field Survey to produce the largest comparison of mid-IRExpand
The Spitzer Deep, Wide-field Survey
The Spitzer Deep, Wide-Field Survey (SDWFS) is a four-epoch infrared survey of 10 deg^(2) in the Bootes field of the NOAO Deep Wide-Field Survey using the IRAC instrument on the Spitzer SpaceExpand
The Chandra XBoötes Survey. III. Optical and Near-Infrared Counterparts
The XBootes Survey is a 5 ks Chandra survey of the Bootes Field of the NOAO Deep Wide-Field Survey (NDWFS). This survey is unique in that it is the largest (9.3 deg2) contiguous region imaged inExpand
SPECTROSCOPIC REDSHIFTS TO Z > 2 FOR OPTICALLY OBSCURED SOURCES DISCOVERED WITH THE SPITZER SPACE TELESCOPE
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) to a limiting 24 µmExpand
Deep Westerbork 1.4 GHz imaging of the Bootes field
We present the results from our deep (16 × 12 hr) Westerbork Synthesis Radio Telescope (WSRT) observations of the approximately 7 deg2 Bootes Deep Field, centered at 14h32m0575, 34°16'475 (J2000.0).Expand
Mid-Infrared selection of Brown Dwarfs and high-redshift quasars
We discuss color selection of rare objects in a wide-field multiband survey spanning from the optical to the mid-infrared. Simple color criteria simultaneously identify and distinguish two of theExpand
THE MID-IR- AND X-RAY-SELECTED QSO LUMINOSITY FUNCTION
We present the J-band luminosity function (LF) of 1838 mid-infrared and X-ray-selected active galactic nuclei (AGNs) in the redshift range 0 3, we observe a decrease in the space density of quasarsExpand
A COMPARISON OF X-RAY AND MID-INFRARED SELECTION OF OBSCURED ACTIVE GALACTIC NUCLEI
We compare the relative merits of active galactic nuclei (AGNs) selection at X-ray and mid-infrared wavelengths using data from moderately deep fields observed by both Chandra and Spitzer. TheExpand
LOW-RESOLUTION SPECTRAL TEMPLATES FOR ACTIVE GALACTIC NUCLEI AND GALAXIES FROM 0.03 TO 30 μm
We present a set of low-resolution empirical spectral energy distribution (SED) templates for active galactic nuclei (AGNs) and galaxies in the wavelength range from 0.03 ?m to 30 ?m based on theExpand
XBootes: An X-Ray Survey of the NDWFS Bootes Field. I. Overview and Initial Results
We obtained a 5 ks deep Chandra X-ray Observatory ACIS-I map of the 9.3 deg2 Bootes field of the NOAO Deep Wide-Field Survey. Here we describe the data acquisition and analysis strategies leading toExpand
...
1
2
3
4
5
...