The optical variability of seven BL Lacertae objects

	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)
刊名	ASTRONOMY & ASTROPHYSICS SUPPLEMENT SERIES
	1987-01
卷号	67 期号:1 页码:17-24
关键词	BL Lac objects - UBV photographic - optical variability on short time scale
ISSN号	0365-0138
通讯作者	XIE, GZ
产权排序	第一完成单位
英文摘要	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.
学科主题	Astronomy & Astrophysics
类目[WOS]	Astronomy & Astrophysics
研究领域[WOS]	Astronomy & Astrophysics
收录类别	SCI
原文出处	http://adsabs.harvard.edu/abs/1987A%26AS...67...17X
语种	英语
WOS记录号	WOS:A1987F428300003
公开日期	2016-05-03
内容类型	期刊论文
源URL	[http://ir.ynao.ac.cn/handle/114a53/6927]
专题	云南天文台_星系研究组
推荐引用方式 GB/T 7714	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.,...&邓立吾.(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.