Galaxy And Mass Assembly (GAMA): curation and reanalysis of 16.6k redshifts in the G10/COSMOS region

被引：60

作者：

Davies, L. J. M. ^{[1
]}

Driver, S. P. ^{[1
,2
]}

Robotham, A. S. G. ^{[1
]}

Baldry, I. K. ^{[3
]}

Lange, R. ^{[1
]}

Liske, J. ^{[4
]}

Meyer, M. ^{[1
]}

Popping, A. ^{[1
]}

Wilkins, S. M. ^{[5
]}

Wright, A. H. ^{[1
]}

机构：

[1] Univ Western Australia, ICRAR, Crawley, WA 6009, Australia

[2] Univ St Andrews, Sch Phys & Astron, SUPA, St Andrews KY16 9SS, Fife, Scotland

[3] Liverpool John Moores Univ, Astrophys Res Inst, Liverpool L3 5RF, Merseyside, England

[4] European So Observ, D-85748 Garching, Germany

[5] Univ Sussex, Dept Phys & Astron, Astron Ctr, Brighton BN1 9QH, E Sussex, England

来源：

MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY | 2015年 / 447卷 / 01期

关键词：

catalogues; surveys; galaxies: distances and redshifts; galaxies: general; galaxies: high-redshift; SPECTRAL ENERGY-DISTRIBUTION; EVOLUTION SURVEY COSMOS; ZCOSMOS; CATALOG; ENVIRONMENT; RELEASE;

D O I：

10.1093/mnras/stu2515

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We discuss the construction of the Galaxy And Mass Assembly (GAMA) 10(h) region (G10) using publicly available data in the Cosmic Evolution Survey region (COSMOS) in order to extend the GAMA survey to z similar to 1 in a single deg(2) field. In order to obtain the maximum number of high precision spectroscopic redshifts we re-reduce all archival zCOSMOS-bright data and use the GAMA automatic cross-correlation redshift fitting code AUTOZ. We use all available redshift information (AUTOZ, zCOSMOS-bright 10k, PRIMUS, VVDS, SDSS and photometric redshifts) to calculate robust best-fitting redshifts for all galaxies and visually inspect all 1D and 2D spectra to obtain 16 583 robust redshifts in the full COSMOS region. We then define the G10 region to be the central similar to 1 deg(2) of COSMOS, which has relatively high spectroscopic completeness, and encompasses the CHILES VLA region. We define a combined r < 23.0 mag and i < 22.0 mag G10 sample (selected to have the highest bijective overlap) with which to perform future analysis, containing 9861 sources with reliable high-precision VLT-VIMOS spectra. All tables, spectra and imaging are available at http://ict.icrar.org/cutout/G10.

引用

页码：1014 / 1027

页数：14

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