Serendipitous discovery of a broad absorption line QSO at z=2.169

被引:8
作者
Canalizo, G [1 ]
Stockton, A [1 ]
Roth, KC [1 ]
机构
[1] Univ Hawaii, Inst Astron, Honolulu, HI 96822 USA
关键词
quasars; absorption lines;
D O I
10.1086/300258
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
We report the serendipitous discovery of a broad absorption line (BAL) QSO at z = 2.169, located 41" southwest of 3C 48. We present Keck Low Resolution Imaging Spectrometer spectroscopy covering rest-frame wavelengths 1500-2300 Angstrom. The C IV BAL has three components, and it extends to outflow velocities of at least 12,000 km s(-1). The BAL QSO has an intervening low-ionization metal-line absorption system at z = 1.667, which is likely to be a damped Ly alpha absorber. Hubble Space Telescope images show extended luminous material around the QSO, which could be either the host galaxy or the intervening system.
引用
收藏
页码:890 / 894
页数:5
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