Distribution of Doppler Redshifts of Associated Absorbers of SDSS Quasars
Distribution of Doppler Redshifts of Associated Absorbers of SDSS Quasars
复制标题
SDSS类星体相关吸收体的多普勒红移分布
DOI:
10.1007/s12036-013-9189-1
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发表时间:
2013-12
影响因子:
1.1
通讯作者:
Chen Zhi-Fu
中科院分区:
文献类型:
--
作者:
Pan Cai-Juan;Chen Zhi-Fu
Doppler redshifts of a sample of Mg II associated absorbers of SDSS DR7 quasars are analysed. We find that there might be three Gaussian components in the distribution of the Doppler redshift. The first Gaussian component, with the peak being located atzDopp= − 0.0074, probably arises from absorbers with outflow histories observed in the direction close to jets of quasars. The second Gaussian component, with the peak being located atzDopp= − 0.0017, possibly arises from absorbers with outflow histories observed in the direction far away from jets of quasars. Whereas, the third Gaussian component, with the peak being located atzDopp= − 0.0004, might arise from the random motion of absorbers with respect to quasars.
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DOI:
10.1088/0004-637x/776/1/1
发表时间:
2013-08
期刊:
The Astrophysical Journal
影响因子:
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期刊:
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影响因子:
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发表时间:
2007-11
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