[1]何莹莹,袁启荣.团星系和场星系的恒星形成性质[J].南京师大学报(自然科学版),2007,30(02):37-41.
 He Yingying,Yuan Qirong.Star Formation Properties of Cluster and Field Galaxies[J].Journal of Nanjing Normal University(Natural Science Edition),2007,30(02):37-41.
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团星系和场星系的恒星形成性质()
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《南京师大学报(自然科学版)》[ISSN:1001-4616/CN:32-1239/N]

卷:
第30卷
期数:
2007年02期
页码:
37-41
栏目:
物理学
出版日期:
2007-06-30

文章信息/Info

Title:
Star Formation Properties of Cluster and Field Galaxies
作者:
何莹莹;袁启荣;
南京师范大学物理科学与技术学院, 江苏南京210097
Author(s):
He YingyingYuan Qirong
School of Physical Science and Technology,Nanjing Normal University,Nanjing 210097,China
关键词:
星系 星系团 恒星形成率 恒星质量 金属丰度
Keywords:
ga lax ies cluster star form ation rate ste llarm ass m eta llic ity
分类号:
P152
摘要:
通过对团星系和场星系的聚度参数、特征恒星形成率、星系中包含的恒星质量、金属丰度等物理参量的比较,研究了处在不同引力环境中星系的恒星形成性质.研究表明,聚度高的星系主要居于星系团中,大部分低质量星系是场星系,星系的特征恒星形成率与恒星质量和金属丰度之间存在着显著的相关.另外,团星系和场星系在红移小于0.1的范围内仍表现出了明显的宇宙学演化效应.
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.

参考文献/References:

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备注/Memo

备注/Memo:
基金项目: 国家自然科学基金( 10633020)资助项目.
作者简介: 何莹莹( 1979- ) , 女, 硕士研究生, 主要从事天体物理的学习与研究. E-m ail:yingnature@ 126. com
通讯联系人: 袁启荣( 1968-) , 教授, 博士生导师, 主要从事天体物理的教学与研究. E-m ail:yuanqirong@ njnu. edu. cn
更新日期/Last Update: 2013-05-05