2016MNRAS.455.3359P

Query : 2016MNRAS.455.3359P

2016MNRAS.455.3359P - Mon. Not. R. Astron. Soc., 455, 3359-3366 (2016/January-3)

Direct determination of oxygen abundances in line-emitting star-forming galaxies at intermediate redshift.

PEREZ J.M., HOYOS C., DIAZ A.I., KOO D.C. and WILLMER C.N.A.

Abstract (from CDS):

We present a sample of 22 blue [(B - V)AB < 0.45], luminous (MB,AB < -18.9), metal-poor galaxies in the 0.69 < z < 0.88 redshift range, selected from the DEEP2 galaxy redshift survey. Their spectra contain the [Oiii] λ4363 auroral line, the [Oii] λλ3726, 3729 doublet and the strong nebular [Oiii] λλ4959, 5007 emission lines. The ionized gas-phase oxygen abundances of these galaxies lie between 7.62 < 12 + logO/H < 8.19, i.e., between 1/10 Z☉ and 1/3 Z☉. We find that galaxies in our sample have comparable metallicities to other intermediate-redshift samples, but are more metal poor than local systems of similar B-band luminosities and star formation activity. The galaxies here show similar properties to the green peas discovered at z ≃ 0.2-0.3, though our galaxies tend to be slightly less luminous.

Abstract Copyright: © 2015 The Authors Published by Oxford University Press on behalf of the Royal Astronomical Society (2015)

Journal keyword(s): galaxies: abundances - galaxies: evolution - galaxies: high-redshift

CDS comments: In Table 1 : Some misprints in column 4 (false declination coordinates).

Simbad objects: 23

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Number of rows : 23
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2026 		#notes
1 DEEP2-GRS 41059446 AGN 02 26 21.48 +00 48 06.8   22.68   22.17 21.78 ~ 5 0
2 DEEP2-GRS 41022570 G 02 27 30.46 +00 31 06.4   23.43   23.36 22.93 ~ 4 0
3 DEEP2-GRS 41006773 G 02 27 48.87 +00 24 40.1   23.96   23.81 23.42 ~ 4 0
4 DEEP2-GRS 42025672 AGN 02 29 02.03 +00 30 08.1   22.87   22.79 22.40 ~ 4 0
5 DEEP2-GRS 42009827 AGN 02 29 33.65 +00 26 08.0   23.97   23.57 23.20 ~ 5 0
6 Mrk 116 AGN 09 34 02.1 +55 14 25           ~ 1179 1
7 [BA99] 163 Q? 14 17 54.6284 +52 30 58.404   23.37   23.28 22.86 ~ 7 0
8 DEEP2-GRS 13016475 AGN 14 20 57.85 +52 56 41.8   22.97   22.85 22.31 ~ 4 0
9 EGSIRAC J142145.37+532353.3 AGN 14 21 45.38334 +53 23 53.1932   23.14   22.89 22.40 ~ 6 0
10 DEEP2-GRS 21027858 G 16 46 29.01 +34 55 20.0   23.56   23.15 22.78 ~ 3 0
11 DEEP2-GRS 21007232 G 16 47 26.19 +34 45 12.1   23.40   22.86 22.40 ~ 4 0
12 DEEP2-GRS 22022835 AGN 16 50 34.61 +34 52 52.3   23.47   23.47 23.06 ~ 3 0
13 DEEP2-GRS 22021909 AGN 16 50 55.34 +34 53 29.9   24.06   23.73 23.42 ~ 4 0
14 DEEP2-GRS 22006008 G 16 51 08.82 +34 46 03.4   24.52   24.03 23.59 ~ 3 0
15 DEEP2-GRS 22020856 G 16 51 31.47 +34 53 16.0   23.50   23.11 22.60 ~ 5 0
16 DEEP2-GRS 22020749 AGN 16 51 35.22 +34 53 39.5   23.53   23.07 22.59 ~ 2 0
17 DEEP2-GRS 22032252 G 16 53 03.49 +34 58 48.9   24.20   23.76 23.25 ~ 6 0
18 DEEP2-GRS 22032374 G 16 53 06.12 +34 59 26.8   23.60   23.09 22.57 ~ 2 0
19 SDSS J232641.17+001815.5 G 23 26 41.174 +00 18 15.54   22.60   22.34 21.99 ~ 4 0
20 DEEP2-GRS 31047144 AGN 23 26 55.43 +00 17 52.9   23.33   23.03 22.71 ~ 5 0
21 DEEP2-GRS 31046514 G 23 27 07.50 +00 17 41.5   23.84   23.14 22.63 ~ 5 0
22 DEEP2-GRS 31019555 G 23 27 20.37 +00 05 54.8   23.55   23.78 23.17 ~ 4 0
23 DEEP2-GRS 32018903 AGN 23 30 55.46 +00 11 57.9   23.73   23.34 22.84 ~ 2 0

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