BASS XXII: BASS DR2的AGN星表与数据
星系天体物理
2022-07-27 v1 高能天体物理现象
摘要
我们呈现Swift BAT AGN光谱巡天(BASS DR2)第二次数据释放的AGN星表与光学光谱。通过此DR2释放,我们为Swift BAT 70个月样本中的858个硬X射线选AGN提供了1425条光学光谱,其中1181条为首次释放。大多数光谱(813/1425,57%)新获自VLT/Xshooter或Palomar/Doublespec。许多光谱具有更高分辨率(R>2500,N~450)和/或极宽波长覆盖(3200-10000 A,N~600),这对各类AGN与宿主星系研究十分重要。我们包含针对全样本新修订的AGN对应体,并审视对种群研究的重要问题,其中44个AGN红移为首次确定,以及780个黑洞质量与吸积率估算。该释放对所有AGN光谱完整(100%,858/858),99.8%具有红移测量(857/858),对非喷流AGN(银道面外)的黑洞质量估算完成度达96%。该AGN样本代表了天空中最亮硬X射线选AGN的独特普查,跨越爱丁顿比(Ledd=10^-5-100)、黑洞质量(MBH=10^5-10^10 Msun)和AGN热光度(Lbol=10^40-10^47 ergs/s)的许多数量级。
引用
@article{arxiv.2207.12432,
title = {BASS XXII: The BASS DR2 AGN Catalog and Data},
author = {Michael J. Koss and Claudio Ricci and Benny Trakhtenbrot and Kyuseok Oh and Jakob S. den Brok and Julian E. Mejia-Restrepo and Daniel Stern and George C. Privon and Ezequiel Treister and Meredith C. Powell and Richard Mushotzky and Franz E. Bauer and Tonima T. Ananna and Mislav Balokovic and Rudolf E. Bar and George Becker and Patricia Bessiere and Leonard Burtscher and Turgay Caglar and Enrico Congiu and Phil Evans and Fiona Harrison and Marianne Heida and Kohei Ichikawa and Nikita Kamraj and Isabella Lamperti and Fabio Pacucci and Federica Ricci and Rogerio Riffel and Alejandra F. Rojas and Kevin Schawinski and Matthew Temple and C. Megan Urry and Sylvain Veilleux and Jonathan Williams},
journal= {arXiv preprint arXiv:2207.12432},
year = {2022}
}
备注
34 pages, 11 figures, 15 tables, published in ApJS as part of BASS DR2 special issue