2013ApJS..208....5N


C.D.S. - SIMBAD4 rel 1.7 - 2021.06.13CEST01:35:46

2013ApJS..208....5N - Astrophys. J., Suppl. Ser., 208, 5 (2013/September-0)

The DEEP2 galaxy redshift survey: design, observations, data reduction, and redshifts.

NEWMAN J.A., COOPER M.C., DAVIS M., FABER S.M., COIL A.L., GUHATHAKURTA P., KOO D.C., PHILLIPS A.C., CONROY C., DUTTON A.A., FINKBEINER D.P., GERKE B.F., ROSARIO D.J., WEINER B.J., WILLMER C.N.A., YAN R., HARKER J.J., KASSIN S.A., KONIDARIS N.P., LAI K., MADGWICK D.S., NOESKE K.G., WIRTH G.D., CONNOLLY A.J., KAISER N., KIRBY E.N., LEMAUX B.C., LIN L., LOTZ J.M., LUPPINO G.A., MARINONI C., MATTHEWS D.J., METEVIER A. and SCHIAVON R.P.

Abstract (from CDS):

We describe the design and data analysis of the DEEP2 Galaxy Redshift Survey, the densest and largest high-precision redshift survey of galaxies at z ∼ 1 completed to date. The survey was designed to conduct a comprehensive census of massive galaxies, their properties, environments, and large-scale structure down to absolute magnitude MB= -20 at z ∼ 1 via ∼90 nights of observation on the Keck telescope. The survey covers an area of 2.8 deg2 divided into four separate fields observed to a limiting apparent magnitude of RAB= 24.1. Objects with z ≲ 0.7 are readily identifiable using BRI photometry and rejected in three of the four DEEP2 fields, allowing galaxies with z > 0.7 to be targeted ∼2.5 times more efficiently than in a purely magnitude-limited sample. Approximately 60% of eligible targets are chosen for spectroscopy, yielding nearly 53,000 spectra and more than 38,000 reliable redshift measurements. Most of the targets that fail to yield secure redshifts are blue objects that lie beyond z ∼ 1.45, where the [O II] 3727 Å doublet lies in the infrared. The DEIMOS 1200 line/mm grating used for the survey delivers high spectral resolution (R ∼ 6000), accurate and secure redshifts, and unique internal kinematic information. Extensive ancillary data are available in the DEEP2 fields, particularly in the Extended Groth Strip, which has evolved into one of the richest multiwavelength regions on the sky. This paper is intended as a handbook for users of the DEEP2 Data Release 4, which includes all DEEP2 spectra and redshifts, as well as for the DEEP2 DEIMOS data reduction pipelines. Extensive details are provided on object selection, mask design, biases in target selection and redshift measurements, the spec2d two-dimensional data-reduction pipeline, the spec1d automated redshift pipeline, and the zspec visual redshift verification process, along with examples of instrumental signatures or other artifacts that in some cases remain after data reduction. Redshift errors and catastrophic failure rates are assessed through more than 2000 objects with duplicate observations. Sky subtraction is essentially photon-limited even under bright OH sky lines; we describe the strategies that permitted this, based on high image stability, accurate wavelength solutions, and powerful B-spline modeling methods. We also investigate the impact of targets that appear to be single objects in ground-based targeting imaging but prove to be composite in Hubble Space Telescope data; they constitute several percent of targets at z ∼ 1, approaching ∼5%-10% at z > 1.5. Summary data are given that demonstrate the superiority of DEEP2 over other deep high-precision redshift surveys at z ∼ 1 in terms of redshift accuracy, sample number density, and amount of spectral information. We also provide an overview of the scientific highlights of the DEEP2 survey thus far.

Abstract Copyright:

Journal keyword(s): cosmology: observations - galaxies: distances and redshifts - galaxies: evolution - galaxies: fundamental parameters - galaxies: high-redshift - galaxies: statistics - large-scale structure of universe - methods: data analysis - surveys

Simbad objects: 27

goto Full paper

goto View the reference in ADS

Number of rows : 27

N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2021
#notes
1 NAME Chandra Deep Field-South reg 03 32 28.0 -27 48 30           ~ 1884 1
2 NAME Extended Chandra Deep Field South reg 03 32 30.0 -27 48 20           ~ 660 0
3 NAME COSMOS Field reg 10 00 28.60 +02 12 21.0           ~ 2302 0
4 NAME Hubble Deep Field reg 12 36 49.5 +62 12 58           ~ 1853 1
5 DEEP2-GRS 11002064 G 14 14 55.75 +51 56 09.8   24.63   23.52 23.22 ~ 1 0
6 DEEP2-GRS 11002024 G 14 15 01.49 +51 56 15.7   24.12   23.60 23.07 ~ 2 0
7 DEEP2-GRS 11002085 G 14 15 04.02 +51 57 32.3   23.55   23.33 23.05 ~ 1 0
8 DEEP2-GRS 11002051 G 14 15 05.34 +51 56 41.3   24.61   23.20 22.40 ~ 1 0
9 DEEP2-GRS 11002039 G 14 15 07.41 +51 57 13.3   25.60   24.09 23.36 ~ 1 0
10 DEEP2-GRS 11002019 G 14 15 08.36 +51 56 50.3   23.99   22.75 22.26 ~ 2 0
11 DEEP2-GRS 11001978 G 14 15 09.08 +51 57 14.3   24.46   23.85 23.55 ~ 1 0
12 DEEP2-GRS 11002016 G 14 15 11.78 +51 57 22.7   24.10   23.91 23.44 ~ 3 0
13 DEEP2-GRS 11001974 G 14 15 14.00 +51 56 35.0   23.05   22.47 21.92 ~ 2 0
14 DEEP2-GRS 11001699 G 14 15 14.51 +51 56 32.4   22.068   20.035 19.545 ~ 2 0
15 DEEP2-GRS 11001878 G 14 15 15.50 +51 56 18.7   23.97   23.42 23.13 ~ 2 0
16 DEEP2-GRS 11001861 G 14 15 16.16 +51 57 11.7   23.25   22.82 22.21 ~ 2 0
17 DEEP2-GRS 11001898 G 14 15 16.44 +51 57 36.5   24.18   23.14 22.60 ~ 3 0
18 DEEP2-GRS 11001909 G 14 15 16.80 +51 56 49.8   23.11   21.179 20.522 ~ 3 0
19 DEEP2-GRS 11001934 G 14 15 17.27 +51 57 16.9   22.89   22.14 21.83 ~ 3 0
20 DEEP2-GRS 11001922 G 14 15 17.38 +51 55 50.6   22.01   21.259 21.06 ~ 3 0
21 DEEP2-GRS 11001927 G 14 15 17.92 +51 57 37.4   25.29   22.05 20.957 ~ 3 0
22 DEEP2-GRS 11001950 G 14 15 19.27 +51 56 29.8   23.60   22.41 22.12 ~ 1 0
23 DEEP2-GRS 11001800 G 14 15 19.62 +51 57 09.2   25.34   23.51 23.08 ~ 1 0
24 DEEP2-GRS 11001860 G 14 15 19.81 +51 57 15.0   24.38   23.40 22.57 ~ 2 0
25 DEEP2-GRS 11001770 G 14 15 23.62 +51 56 56.0   24.14   24.10 24.02 ~ 1 0
26 DEEP2-GRS 11001673 G 14 15 28.49 +51 57 23.2   23.49   23.14 22.58 ~ 1 0
27 NAME Extended Groth Strip reg 14 19 +52.8           ~ 624 0

    Equat.    Gal    SGal    Ecl

To bookmark this query, right click on this link: simbad:objects in 2013ApJS..208....5N and select 'bookmark this link' or equivalent in the popup menu


2021.06.13-01:35:46

© Université de Strasbourg/CNRS

    • Contact