Intranight optical variability of radio-quiet BL Lacertae objects

	Intranight optical variability of radio-quiet BL Lacertae objects
	Liu Y(刘元); Liu, Yuan; Zhang, Jin; Zhang, Shuang Nan; Zhang SN(张双南)
刊名	ASTRONOMY & ASTROPHYSICS
	2015
卷号	576 页码:A3
关键词	galaxies: active radiation mechanisms: general BL Lacertae objects: general
通讯作者	刘元 ; 张双南
英文摘要	Aims. Intranight variation (or microvariation) is a common phenomenon of radio-loud BL Lac objects. However, it is not clear whether the recently found radio-quiet BL Lac objects have the same properties. The occurrence rate of intranight variation is helpful in distinguishing the mechanism of the continuum of radio-quiet BL Lac objects. Methods. We conducted a photometric monitoring of 8 radio-quiet BL Lac objects by the Xinglong 2.16 m and Lijiang 2.4 m telescopes. The differential light curves are calculated between each target and two comparison stars. To quantify the variation, the significance of variation is examined by a scaled F-test. Results. No significant variation is found in the 11 sessions of light curves of 8 radio-quiet BL Lac objects (one galactic source is excluded). The lack of microvariation in radio-quiet BL Lac objects is consistent with the detection rate of microvariation in normal radio-quiet AGNs, but much lower than for radio-loud AGNs. This result indicates that the continua of the radio-quiet BL Lac objects are not dominated by jets that will induce frequent microvariations.
学科主题	Astronomy & Astrophysics
类目[WOS]	Astronomy & Astrophysics
收录类别	SCI ; EI
WOS记录号	WOS:000351877600003
公开日期	2016-05-03
内容类型	期刊论文
源URL	[http://ir.ihep.ac.cn/handle/311005/228362]
专题	中国科学院高能物理研究所
推荐引用方式 GB/T 7714	Liu Y,Liu, Yuan,Zhang, Jin,et al. Intranight optical variability of radio-quiet BL Lacertae objects[J]. ASTRONOMY & ASTROPHYSICS,2015,576:A3.
APA	刘元,Liu, Yuan,Zhang, Jin,Zhang, Shuang Nan,&张双南.(2015).Intranight optical variability of radio-quiet BL Lacertae objects.ASTRONOMY & ASTROPHYSICS,576,A3.
MLA	刘元,et al."Intranight optical variability of radio-quiet BL Lacertae objects".ASTRONOMY & ASTROPHYSICS 576(2015):A3.