期刊
ASTRONOMISCHE NACHRICHTEN
卷 330, 期 9-10, 页码 943-945出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/asna.200911268
关键词
galaxies: luminosity function, mass function
We present a composite K-band luminosity function for 10 clusters at low redshift, where member galaxies are identified from an existing spectroscopic survey (the 2dF galaxy redshift survey). Our kinematically selected K-band luminosity function is well fitted by a Schechter function with M-K* = -24.50+5 log h and alpha = -0.98 over -27 << M-K - 5 log h < -22. This is very similar to the 2dF field value and suggests that the integrated mass accretion history of galaxies does not vary strongly with environment. (C) 2009 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim
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