CANDELS/GOODS-S, CDFS, AND ECDFS: PHOTOMETRIC REDSHIFTS FOR NORMAL AND X-RAY-DETECTED GALAXIES

被引：114

作者：

Hsu, Li-Ting ^{[1
]}

Salvato, Mara ^{[1
]}

Nandra, Kirpal ^{[1
]}

Brusa, Marcella ^{[1
,2
,3
]}

Bender, Ralf ^{[1
]}

Buchner, Johannes ^{[1
]}

Donley, Jennifer L. ^{[4
]}

Kocevski, Dale D. ^{[5
]}

Guo, Yicheng ^{[6
,7
]}

Hathi, Nimish P. ^{[8
]}

Rangel, Cyprian ^{[9
]}

Willner, S. P. ^{[10
]}

Brightman, Murray ^{[1
]}

Georgakakis, Antonis ^{[1
]}

Budavari, Tamas ^{[11
]}

Szalay, Alexander S. ^{[11
]}

Ashby, Matthew L. N. ^{[10
]}

Barro, Guillermo ^{[6
]}

Dahlen, Tomas ^{[12
]}

Faber, Sandra M. ^{[6
]}

Ferguson, Henry C. ^{[12
]}

Galametz, Audrey ^{[13
]}

Grazian, Andrea ^{[13
]}

Grogin, Norman A. ^{[12
]}

Huang, Kuang-Han ^{[14
]}

Koekemoer, Anton M. ^{[12
]}

Lucas, Ray A. ^{[12
]}

McGrath, Elizabeth ^{[15
]}

Mobasher, Bahram ^{[16
]}

Peth, Michael ^{[11
]}

Rosario, David J. ^{[1
]}

Trump, Jonathan R. ^{[6
]}

机构：

[1] Max Planck Inst Extraterr Phys, D-85748 Garching, Germany

[2] Univ Bologna, Dipartimento Fis & Astron, I-40127 Bologna, Italy

[3] INAF Osservatorio Astron Bologna, I-40127 Bologna, Italy

[4] Los Alamos Natl Lab, Los Alamos, NM USA

[5] Univ Kentucky, Dept Phys & Astron, Lexington, KY 40506 USA

[6] Univ Calif Santa Cruz, Dept Astron & Astrophys, UCO Lick Observ, Santa Cruz, CA 95064 USA

[7] Univ Massachusetts, Dept Astron, Amherst, MA 01003 USA

[8] Aix Marseille Univ, CNRS, LAM, UMR 7326, F-13388 Marseille, France

[9] Univ London Imperial Coll Sci Technol & Med, Astrophys Grp, Blackett Lab, London SW7 2AZ, England

[10] Harvard Smithsonian Ctr Astrophys, Cambridge, MA 02138 USA

[11] Johns Hopkins Univ, Dept Phys & Astron, Baltimore, MD 21218 USA

[12] Space Telescope Sci Inst, Baltimore, MD 21218 USA

[13] INAF Osservatorio Roma, I-00040 Monte Porzio Catone, Italy

[14] Univ Calif Davis, Dept Phys, Davis, CA USA

[15] Colby Coll, Dept Phys & Astron, Waterville, ME 04901 USA

[16] Univ Calif Riverside, Dept Phys & Astron, Riverside, CA 92521 USA

来源：

ASTROPHYSICAL JOURNAL | 2014年 / 796卷 / 01期

关键词：

galaxies: active; galaxies: distances and redshifts; galaxies: photometry; X-rays: galaxies; DEEP FIELD-SOUTH; ACTIVE GALACTIC NUCLEI; SPACE-TELESCOPE OBSERVATIONS; EXTRAGALACTIC LEGACY SURVEY; POINT-SOURCE CATALOG; FORS DEEP; POPULATION SYNTHESIS; LUMINOSITY FUNCTIONS; COSMOS FIELD; TO; 2.5;

D O I：

10.1088/0004-637X/796/1/60

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We present photometric redshifts and associated probability distributions for all detected sources in the Extended Chandra Deep Field South (ECDFS). This work makes use of the most up-to-date data from the Cosmic Assembly Near-IR Deep Legacy Survey (CANDELS) and the Taiwan ECDFS Near-Infrared Survey (TENIS) in addition to other data. We also revisit multi-wavelength counterparts for published X-ray sources from the 4 Ms CDFS and 250 ks ECDFS surveys, finding reliable counterparts for 1207 out of 1259 sources (similar to 96%). Data used for photometric redshifts include intermediate-band photometry deblended using the TFIT method, which is used for the first time in this work. Photometric redshifts for X-ray source counterparts are based on a new library of active galactic nuclei/galaxy hybrid templates appropriate for the faint X-ray population in the CDFS. Photometric redshift accuracy for normal galaxies is 0.010 and for X-ray sources is 0.014 and outlier fractions are 4% and 5.2%, respectively. The results within the CANDELS coverage area are even better, as demonstrated both by spectroscopic comparison and by galaxy-pair statistics. Intermediate-band photometry, even if shallow, is valuable when combined with deep broadband photometry. For best accuracy, templates must include emission lines.

引用

页数：22

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