|Table of Contents|

Star Formation Properties of Cluster and Field Galaxies(PDF)

《南京师大学报(自然科学版)》[ISSN:1001-4616/CN:32-1239/N]

Issue:
2007年02期
Page:
37-41
Research Field:
物理学
Publishing date:

Info

Title:
Star Formation Properties of Cluster and Field Galaxies
Author(s):
He YingyingYuan Qirong
School of Physical Science and Technology,Nanjing Normal University,Nanjing 210097,China
Keywords:
ga lax ies cluster star form ation rate ste llarm ass m eta llic ity
PACS:
P152
DOI:
-
Abstract:
By com paring the phy sica l param eters of c luste r and fie ld g alax ies, such as concentration in dex, spec ific star fo rm ation ra te, ste llar m ass, and me tallic ity, the star form ation properties of ga lax ies w ith in d ifferent g rav itationa l env ironm ents are studied. It is shown tha t h igh ly concen trated ga lax ies dom i nate in ga laxy clusters, and less massive ga lax ies are predom inate ly fie ld g alax ies. The co rre lations of the spec ific star form a tion ratew ith ste llarmass and me tallic ity are found. Add itiona lly, bo th field and cluster g alax ies w ith z< 0. 1 show sign ifican t effect of cosm ic evo lution.

References:

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Last Update: 2013-05-05