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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)
2015
发表期刊ASTRONOMY & ASTROPHYSICS
卷号576页码:A3
通讯作者刘元 ; 张双南
文章类型Article
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.
关键词galaxies: active radiation mechanisms: general BL Lacertae objects: general
学科领域Astronomy & Astrophysics
DOI10.1051/0004-6361/201425248
收录类别SCI ; EI
WOS类目Astronomy & Astrophysics
WOS记录号WOS:000351877600003
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被引频次:2[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/228362
专题粒子天体物理中心
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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.
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