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The optical variability of seven BL Lacertae objects
Xie GZ(谢光中); Li KH(李开华); Bao MX(鲍梦贤); Hao PJ(郝鹏九); Zhou Y(周原); Liu XD(刘新德); Deng LW(邓立吾); XIE, GZ
发表期刊ASTRONOMY & ASTROPHYSICS SUPPLEMENT SERIES
1987-01
卷号67期号:1页码:17-24
产权排序第1完成单位
收录类别SCI
关键词Bl Lac Objects - Ubv Photographic - Optical Variability On Short Time Scale
摘要UBV photographic magnitudes and colour indices have been obtained during a continuous 6 year monitoring program. The main results show that: (1) Mark 421 has a very short characteristic time scale of about 2.5 hours for the optical variability with an amplitude of ΔB = 0.48 mag. (2) ON +325 has a characteristic time scale of about 3 days for the optical variability with an amplitude of ΔB = 0.38 mag. (3) OJ 287 has shown a variability on a short time scale of about 8 days with an amplitude of ΔB = 0.37 mag. (4) From 1980 to the end of 1982, OJ 287 has been stable and fainter, the faintest magnitude being B = 15.61 mag. However, an outburst of B = 14.25 mag was recorded in March 1983. (5) The authors proved that the smallest characteristic time scale of the optical variability for a galaxy is 10 minutes.
语种英语
学科领域Astronomy & Astrophysics
文章类型Article
ISSN0365-0138
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WOS记录号WOS:A1987F428300003
WOS研究方向Astronomy & Astrophysics
WOS类目Astronomy & Astrophysics
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被引频次:40[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ynao.ac.cn/handle/114a53/6927
专题星系研究组
通讯作者XIE, GZ
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Xie GZ,Li KH,Bao MX,et al. The optical variability of seven BL Lacertae objects[J]. ASTRONOMY & ASTROPHYSICS SUPPLEMENT SERIES,1987,67(1):17-24.
APA 谢光中.,李开华.,鲍梦贤.,郝鹏九.,周原.,...&XIE, GZ.(1987).The optical variability of seven BL Lacertae objects.ASTRONOMY & ASTROPHYSICS SUPPLEMENT SERIES,67(1),17-24.
MLA 谢光中,et al."The optical variability of seven BL Lacertae objects".ASTRONOMY & ASTROPHYSICS SUPPLEMENT SERIES 67.1(1987):17-24.
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