Statistical Detection of the He ii Transverse Proximity Effect: Evidence for Sustained Quasar Activity for >25 Million Years
Schmidt, Tobias M.; Worseck, Gabor; Hennawi, Joseph F.; Prochaska, J. Xavier; Crighton, Neil H. M.
- 期刊名称The Astrophysical Journal
- 作者Schmidt, Tobias M.; Worseck, Gabor; Hennawi, Joseph F.; Prochaska, J. Xavier; Crighton, Neil H. M.
- 卷第847卷
- 期第1期
- 电子ISSN1538-4357
- 文件大小5431.28KB
- 发表时间2017-09-22
- DOI10.3847/1538-4357/aa83ac