Effect of richness on AGN and star formation activities in SDSS galaxy groups
Effect of richness on AGN and star formation activities in SDSS galaxy groups
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SDSS 星系群中丰富度对 AGN 和恒星形成活动的影响
DOI:
10.1093/mnras/stz267
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发表时间:
2019-01
影响因子:
4.8
通讯作者:
3 more
中科院分区:
文献类型:
--
作者:
Li;Feng Gu;Yi-Zhou Yuan;Qi-Rong;3 more
Based on a large sample of 254 220 galaxies in 81 089 groups, which are selected from the spectroscopic galaxy sample of the SDSS DR12, we investigate the radial distribution of incidences, morphologies, environmental densities, and star formation properties of the active galactic nucleus (AGN) host galaxies and star-forming galaxies (SFGs) in the groups at z 10.7$) galaxies, and the mean SFG fraction is about 6 times as that of AGNs in the late-type galaxies with lower masses at larger radius. The distribution of environmental luminosity densities shows that the AGNs are likely to be reside in a denser environment relative to the SFGs. Compared with the SFGs in groups, the group AGNs are found to have a higher mean stellar mass, a lower mean star formation rate, and an older mean stellar age.
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DOI:
10.1111/j.1365-2966.2004.08117.x
发表时间:
2004-02
影响因子:
4.8
作者:
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DOI:
10.1088/0004-637x/698/1/956
发表时间:
2008-10
期刊:
The Astrophysical Journal
影响因子:
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DOI:
10.1111/j.1365-2966.2007.11367.x
发表时间:
2007-03
影响因子:
4.8
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通讯作者:
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DOI:
10.1051/0004-6361/201730499
发表时间:
2017-04
期刊:
arXiv: Cosmology and Nongalactic Astrophysics
影响因子:
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作者:
E. Tempel;T. Tuvikene;R. Kipper;N. Libeskind
通讯作者:
E. Tempel;T. Tuvikene;R. Kipper;N. Libeskind
DOI:
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发表时间:
2006
期刊:
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影响因子:
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作者:
通讯作者:
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