The mass-metallicity relation of absorption selected high-redshift galaxies

被引：0

作者：

Christensen, Lise ^{[1
]}

Moller, P. ^{[2
]}

Rhodin, Henrik ^{[1
]}

Krogager, Jens-Kristian ^{[1
,3
]}

Fynbo, Johan P. U. ^{[1
]}

机构：

[1] Univ Copenhagen, Niels Bohr Inst, Dark Cosmol Ctr, Juliane Maries Vej 30, DK-2100 Copenhagen, Denmark

[2] European Southern Observ, Karl Schwarzschildstr 2, D-85748 Garching, Germany

[3] UPMC, CNRS, Inst Astrophys Paris, UMR 7095, 98bis Bd Arago, F-75014 Paris, France

来源：

FORMATION AND EVOLUTION OF GALAXY OUTSKIRTS | 2016年 / 11卷 / S321期

关键词：

galaxies: abundances; galaxies: high-redshift; quasars: absorption lines; DAMPED LY-ALPHA; STAR-FORMATION RATE; LYMAN; DLA;

D O I：

10.1017/S1743921316011212

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

Strong absorption lines in quasar spectra primarily probe low-mass galaxies and detecting these in emission has previously been difficult. Dedicated surveys for the host galaxies of damped Lyman-a (DLA) systems have often resulted in non-detections and upper limits. Targeting the most metal-rich absorbers has proven to be a viable method, because these galaxies are brighter. By combining DLA metallicities and deriving host galaxy stellar masses, we find that metal-rich DLAs (with > 10% solar metallicity) and their host galaxies follow the same redshiftdependent scaling relation between stellar mass and metallicity as luminosity-selected galaxies. We derive a prediction for an absorber galaxy mass that depends on the DLA metallicity.

引用

页码：357 / 359

页数：3

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