SIMBAD references

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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