The [O II] λ3727 luminosity function of the local universe

被引：49

作者：

Gallego, J ^{[1
]}

García-Dabó, CE ^{[1
]}

Zamorano, J ^{[1
]}

Aragón-Salamanca, A ^{[1
]}

Rego, M ^{[1
]}

机构：

[1] Univ Complutense Madrid, Fac CC Fis, Dept Astrofis, E-28040 Madrid, Spain

来源：

ASTROPHYSICAL JOURNAL | 2002年 / 570卷 / 01期

关键词：

galaxies : evolution; galaxies : fundamental parameters; galaxies : luminosity function; mass function;

D O I：

10.1086/340830

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

The measurement of the star formation rate density of the universe is of prime importance in understanding the formation and evolution of galaxies. The [O II] lambda3727 emission-line flux, easy to measure up to z approximate to 1.4 within deep redshift surveys in the optical and up to z approximate to 5/4 in the near-infrared, offers a reliable means of characterizing the star formation properties of high-z objects. In order to provide the high-z studies with a local reference, we have measured total [O II] lambda3727 fluxes for the well-analyzed local sample of star-forming galaxies from the Universidad Complutense de Madrid Survey. These data are used to derive the [O II] lambda3727 luminosity function for local star-forming galaxies. When compared with similar luminosity densities published for redshift up to z approximate to 1, the overall evolution already observed in the star formation activity of the universe is confirmed.

引用

页码：L1 / L4

页数：4

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