中国科学院机构知识库网格
Chinese Academy of Sciences Institutional Repositories Grid
首页
机构
成果
学者
登录
注册
登陆
×
验证码:
换一张
忘记密码?
记住我
×
校外用户登录
CAS IR Grid
机构
国家天文台 [10]
云南天文台 [5]
上海天文台 [4]
高能物理研究所 [1]
新疆天文台 [1]
紫金山天文台 [1]
更多
采集方式
OAI收割 [22]
内容类型
期刊论文 [22]
发表日期
2019 [22]
学科主题
天文学 [5]
天文学::星系与宇宙... [5]
天文学::星系与宇宙... [2]
天文学::星系与宇宙... [1]
筛选
浏览/检索结果:
共22条,第1-10条
帮助
限定条件
存缴方式:oaiharvest
发表日期:2019
内容类型:期刊论文
条数/页:
5
10
15
20
25
30
35
40
45
50
55
60
65
70
75
80
85
90
95
100
排序方式:
请选择
提交时间升序
提交时间降序
题名升序
题名降序
作者升序
作者降序
发表日期升序
发表日期降序
Gamma-ray luminosity function of BL Lac objects and contribution to the extragalactic gamma-ray background
期刊论文
OAI收割
MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, 2019, 卷号: 490, 期号: 1, 页码: 758-765
作者:
Qu, Yankun
;
Zeng, Houdun
;
Yan DH(闫大海)
  |  
收藏
  |  
浏览/下载:21/0
  |  
提交时间:2020/03/16
(galaxies:) BL Lacertae objects: general
galaxies: evolution
gamma rays: diffuse background
gamma rays: galaxies
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
OAI收割
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:25/0
  |  
提交时间:2021/09/26
methods: data analysis
galaxies: active
galaxies: nuclei
X-rays: galaxies
galaxies: high-redshift
quasars: general
Decomposing the host galaxy from high-z QSOs using principal component analysis
期刊论文
OAI收割
RESEARCH IN ASTRONOMY AND ASTROPHYSICS, 2019, 卷号: 19, 期号: 10, 页码: 10
作者:
He, Wei
;
Wang, Yi-Ping
  |  
收藏
  |  
浏览/下载:6/0
  |  
提交时间:2020/03/12
quasars: general
galaxies: active
galaxies: high-redshift
methods: data analysis
Search for Intra-day Optical Variability in gamma-Ray-loud Blazars S5 0716+714 and 3C 273
期刊论文
OAI收割
ASTROPHYSICAL JOURNAL, 2019, 卷号: 880, 期号: 2, 页码: 12
作者:
Liu HT(刘洪涛)
;
Feng HC(封海成)
;
Xin YX(辛玉新)
;
Bai JM(白金明)
;
Li SK(李少昆)
  |  
收藏
  |  
浏览/下载:84/0
  |  
提交时间:2019/09/23
BL Lacertae objects: general
BL Lacertae objects: individual (S5 0716+714)
galaxies: active
quasars: general
quasars: individual (3C 273)
SDSS J075101.42+291419.1: A Super-Eddington Accreting Quasar with Extreme X-Ray Variability
期刊论文
OAI收割
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:16/0
  |  
提交时间:2020/03/10
galaxies: active
quasars: individual (SDSS J075101.42+291419.1)
X-rays: galaxies
Variability of Low-ionization Broad Absorption-line Quasars Based on Multi-epoch Spectra from the Sloan Digital Sky Survey
期刊论文
OAI收割
ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES, 2019, 卷号: 242, 期号: 2, 页码: 23
作者:
Yi WM(易卫敏)
;
Brandt, W. N.
;
Hall, P. B.
;
Vivek, M.
;
Grier, C. J.
  |  
收藏
  |  
浏览/下载:125/0
  |  
提交时间:2019/07/22
galaxies: active
quasars: absorption lines
quasars: general
SDSS J075101.42+291419.1: A Super-Eddington Accreting Quasar with Extreme X-Ray Variability
期刊论文
OAI收割
The Astrophysical Journal, 2019, 卷号: 878, 期号: 2
作者:
Brandt,W. N.
;
Wang,Jian-Min
;
Shemmer,Ohad
;
Hu,Chen
;
Gallagher,S. C.
  |  
收藏
  |  
浏览/下载:115/0
  |  
提交时间:2019/07/22
galaxies: active
quasars: individual (SDSS J075101.42+291419.1)
X-rays: galaxies
Efficient selection of quasar candidates based on optical and infrared photometric data using machine learning
期刊论文
OAI收割
MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, 2019, 卷号: 485, 期号: 4, 页码: 4539-4549
作者:
Jin, Xin
;
Zhang, Yanxia
;
Zhang, Jingyi
;
Zhao, Yongheng
;
Wu, Xue-bing
  |  
收藏
  |  
浏览/下载:17/0
  |  
提交时间:2020/03/10
methods: statistical
astronomical data bases: miscellaneous
catalogues
galaxies: distances and redshifts
quasars: general
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
OAI收割
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:23/0
  |  
提交时间:2020/03/10
galaxies: active
galaxies: nuclei
quasars: general
X-rays: galaxies
A Possible similar to 20 yr Periodicity in Long-term Optical Photometric and Spectral Variations of the Nearby Radio-quiet Active Galactic Nucleus Ark 120
期刊论文
OAI收割
ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES, 2019, 卷号: 241, 期号: 2, 页码: 14
作者:
Li, Yan-Rong
;
Wang, Jian-Min
;
Zhang, Zhi-Xiang
;
Wang, Kai
;
Huang, Ying-Ke
  |  
收藏
  |  
浏览/下载:64/0
  |  
提交时间:2019/05/22
galaxies: active
galaxies: individual (Ark 120)
methods: data analysis
methods: statistical
quasars: general