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浏览/检索结果: 共7条，第1-7条 帮助 限定条件 发表日期：2019    专题：国家天文台    第一署名单位    第一作者单位    通讯作者单位     已选(0)清除 条数/页：5101520253035404550556065707580859095100   排序方式：请选择作者升序作者降序题名升序题名降序发表日期升序发表日期降序提交时间升序提交时间降序 The X-ray properties of z > 6 quasars: no evident evolution of accretion physics in the first Gyr of the Universe 期刊论文 ASTRONOMY & ASTROPHYSICS, 2019, 卷号: 630, 页码: 16 作者:  Vito, F.;  Brandt, W. N.;  Bauer, F. E.;  Calura, F.;  Gilli, R. 收藏  |  浏览/下载：11/0  |  提交时间：2021/09/26 methods: data analysis  galaxies: active  galaxies: nuclei  X-rays: galaxies  galaxies: high-redshift  quasars: general   An Optical and X-Ray Study of the Contact Binary, BH Cassiopeiae 期刊论文 Publications of the Astronomical Society of the Pacific, 2019, 卷号: 131, 期号: 1002 作者:  Liu,Junhui;  Esamdin,Ali;  Zhang,Yu;  Hu,Chin-Ping;  Chen,Tingting 收藏  |  浏览/下载：38/0  |  提交时间：2020/03/10 binaries: close  binaries: eclipsing  binaries: spectroscopic  stars: individual (BH Cassiopeiae)  stars: variables: general  X-rays: binaries   SDSS J075101.42+291419.1: A Super-Eddington Accreting Quasar with Extreme X-Ray Variability 期刊论文 ASTROPHYSICAL JOURNAL, 2019, 卷号: 878, 期号: 2, 页码: 14 作者:  Liu, Hezhen;  Luo, B.;  Brandt, W. N.;  Brotherton, Michael S.;  Du, Pu 收藏  |  浏览/下载：12/0  |  提交时间：2020/03/10 galaxies: active  quasars: individual (SDSS J075101.42+291419.1)  X-rays: galaxies   Piercing through Highly Obscured and Compton-thick AGNs in the Chandra Deep Fields. I. X-Ray Spectral and Long-term Variability Analyses 期刊论文 The Astrophysical Journal, 2019, 卷号: 877, 期号: 1 作者:  Li,Junyao;  Xue,Yongquan;  Sun,Mouyuan;  Liu,Teng;  Vito,Fabio 收藏  |  浏览/下载：13/0  |  提交时间：2020/03/10 galaxies: active  galaxies: nuclei  quasars: general  X-rays: galaxies   On the origin of central abundance drops in the intracluster medium of galaxy groups and clusters 期刊论文 MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, 2019, 卷号: 485, 期号: 2, 页码: 1651-1664 作者:  Liu, Ang;  Zhai, Meng;  Tozzi, Paolo 收藏  |  浏览/下载：26/0  |  提交时间：2020/03/10 galaxies: clusters: intracluster medium  X-rays: galaxies: clusters   X-ray emission of z > 2.5 active galactic nuclei can be obscured by their host galaxies 期刊论文 ASTRONOMY & ASTROPHYSICS, 2019, 卷号: 623, 页码: 14 作者:  Circosta, C.;  Vignali, C.;  Gilli, R.;  Feltre, A.;  Vito, F. 收藏  |  浏览/下载：22/0  |  提交时间：2020/03/10 galaxies: active  galaxies: evolution  galaxies: star formation  quasars: general  surveys  X-rays: galaxies   Investigation of the Millisecond Pulsar Origins by their Spin Periods at the Wavebands of Radio, X-Ray, and gamma-Ray 期刊论文 PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF THE PACIFIC, 2019, 卷号: 131, 期号: 996, 页码: 8 作者:  Wang, De-Hua;  Zhang, Cheng-Min;  Wang, Shuang-Qiang 收藏  |  浏览/下载：18/0  |  提交时间：2020/03/10 (stars:) pulsars: general  stars: neutron  gamma-rays: stars  X-rays: binaries  accretion  accretion disks