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.
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页码：L1 / L4
页数：4
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