Lyman-a absorption: links between CSS quasars and high-redshift radio galaxies

被引：0
|
作者：
Baker, JC [1 ]
机构：
[1] Univ Cambridge, Cavendish Lab, MRAO, Cambridge CB3 0HE, England
来源：
MOST DISTANT RADIO GALAXIES | 1999年
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D O I：
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中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
Spectroscopy of high-redshift compact steep-spectrum (CSS) quasars shows a high incidence of Ly-a absorption close to the quasar redshift (z(abs) approximate to z(em)). Associated absorption systems likee these are rare in other types of radio sources, with the notable exception of high-redshift radio galaxies (HZRGs). CSS quasars and HZRGs share many properties; the hypothesis that they are intrinsically similar objects is presented and discussed.
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页码：447 / 452
页数：6
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