THE SPITZER DEEP, WIDE-FIELD SURVEY

被引:184
作者
Ashby, M. L. N. [1 ]
Stern, D. [2 ]
Brodwin, M. [1 ]
Griffith, R. [2 ]
Eisenhardt, P. [2 ]
Kozlowski, S. [3 ]
Kochanek, C. S. [3 ,4 ]
Bock, J. J. [5 ]
Borys, C. [5 ]
Brand, K. [6 ]
Brown, M. J. I. [7 ]
Cool, R. [8 ]
Cooray, A. [9 ]
Croft, S. [10 ]
Dey, A. [11 ]
Eisenstein, D. [12 ]
Gonzalez, A. H. [13 ]
Gorjian, V. [2 ]
Grogin, N. A. [6 ]
Ivison, R. J. [14 ,15 ]
Jacob, J. [2 ]
Jannuzi, B. T. [11 ]
Mainzer, A. [2 ]
Moustakas, L. A. [2 ]
Rottgering, H. J. A. [16 ]
Seymour, N. [17 ]
Smith, H. A. [1 ]
Stanford, S. A. [18 ]
Stauffer, J. R. [19 ]
Sullivan, I. [6 ]
van Breugel, W. [20 ]
Willner, S. P. [1 ]
Wright, E. L. [21 ]
机构
[1] Harvard Smithsonian Ctr Astrophys, Cambridge, MA 02138 USA
[2] CALTECH, Jet Prop Lab, Pasadena, CA 91109 USA
[3] Ohio State Univ, Dept Astron, Columbus, OH 43210 USA
[4] Ohio State Univ, Ctr Cosmol & Astroparticle Phys, Columbus, OH 43210 USA
[5] CALTECH, Pasadena, CA 91125 USA
[6] Space Telescope Sci Inst, Baltimore, MD 21218 USA
[7] Monash Univ, Sch Phys, Clayton, Vic 3800, Australia
[8] Princeton Univ, Dept Astrophys Sci, Princeton, NJ 08544 USA
[9] Univ Calif Irvine, Irvine, CA 92697 USA
[10] Univ Calif Berkeley, Berkeley, CA 94720 USA
[11] Natl Opt Astron Observ, Tucson, AZ 85719 USA
[12] Univ Arizona, Steward Observ, Tucson, AZ 85721 USA
[13] Univ Florida, Dept Astron, Gainesville, FL 32611 USA
[14] Royal Observ, UK Astron Technol Ctr, Edinburgh EH9 3HJ, Midlothian, Scotland
[15] Leiden Univ, Leiden Observ, Edinburgh EH9 3HJ, Midlothian, Scotland
[16] Leiden Univ, Leiden Observ, NL-2300 RA Leiden, Netherlands
[17] Univ Coll London, Mullard Space Sci Lab, Dorking RH5 6NT, Surrey, England
[18] Univ Calif Davis, Davis, CA 95616 USA
[19] CALTECH, Spitzer Sci Ctr, Pasadena, CA 91125 USA
[20] Univ Calif, Merced, CA 95344 USA
[21] Univ Calif Los Angeles, Los Angeles, CA 90095 USA
基金
美国国家航空航天局;
关键词
infrared: galaxies; infrared: stars; surveys; DIGITAL SKY SURVEY; ACTIVE GALACTIC NUCLEI; INFRARED ARRAY CAMERA; IRAC SHALLOW SURVEY; GALAXY LUMINOSITY FUNCTIONS; SURVEY COMMISSIONING DATA; RADIO-LOUD AGN; X-RAY SURVEY; SPACE-TELESCOPE; BOOTES-FIELD;
D O I
10.1088/0004-637X/701/1/428
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
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 Space Telescope. SDWFS, a Spitzer Cycle 4 Legacy project, occupies a unique position in the area-depth survey space defined by other Spitzer surveys. The four epochs that make up SDWFS permit-for the first time-the selection of infrared-variable and high proper motion objects over a wide field on timescales of years. Because of its large survey volume, SDWFS is sensitive to galaxies out to z similar to 3 with relatively little impact from cosmic variance for all but the richest systems. The SDWFS data sets will thus be especially useful for characterizing galaxy evolution beyond z similar to 1.5. This paper explains the SDWFS observing strategy and data processing, presents the SDWFS mosaics and source catalogs, and discusses some early scientific findings. The publicly released, full-depth catalogs contain 6.78, 5.23, 1.20, and 0.96 x 10(5) distinct sources detected to the average 5 sigma, 4 ''-diameter, aperture-corrected limits of 19.77, 18.83, 16.50, and 15.82 Vega mag at 3.6, 4.5, 5.8, and 8.0 mu m, respectively. The SDWFS number counts and color-color distribution are consistent with other, earlier Spitzer surveys. At the 6 minute integration time of the SDWFS IRAC imaging, > 50% of isolated Faint Images of the Radio Sky at Twenty cm radio sources and > 80% of on-axis XBootes sources are detected out to 8.0 mu m. Finally, we present the four highest proper motion IRAC-selected sources identified from the multi-epoch imaging, two of which are likely field brown dwarfs of mid-T spectral class.
引用
收藏
页码:428 / 453
页数:26
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