期刊
ASTROPHYSICAL JOURNAL
卷 707, 期 2, 页码 936-941出版社
IOP PUBLISHING LTD
DOI: 10.1088/0004-637X/707/2/936
关键词
black hole physics; galaxies: active; quasars: general
资金
- University of Texas at Austin
- W. M. Keck Foundation
The quasar SDSS J105041.35+345631.3 (z = 0.272) has broad emission lines blueshifted by 3500 km s(-1) relative to the narrow lines and the host galaxy. Such an object may be a candidate for a recoiling supermassive black hole, a binary black hole, a superposition of two objects, or an unusual geometry for the broad emission-line region. The absence of narrow lines at the broad line redshift argues against superposition. New Keck spectra of J1050+3456 place tight constraints on the binary model. The combination of large velocity shift and symmetrical H beta profile, as well as aspects of the narrow line spectrum, make J1050+3456 an interesting candidate for black hole recoil. Other aspects of the spectrum, however, suggest that the object is most likely an extreme case of a double-peaked emitter. We discuss possible observational tests to determine the true nature of this exceptional object.
作者
我是这篇论文的作者
点击您的名字以认领此论文并将其添加到您的个人资料中。
推荐
暂无数据