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Photometric monitoring of 12 BL Lacertae objects
Xie GZ(谢光中)1,2,3,4; Zhou SB(周曙白)1,2,4; Dai BZ(戴本忠)1,2,4; Liang EW(梁恩维)1,2,5; Li KH(李开华)1,2; Bai JM(白金明)1,2,3; Xing SY(邢士英)1,2; Liu WW(刘威卫)1,2; Xie, GZ (reprint author), Chinese Acad Sci, Yunnan Astron Observ, POB 110, Kunming 650011, Peoples R China.
发表期刊MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY
2002-02-01
卷号329期号:4页码:689-699
DOI10.1046/j.1365-8711.2002.04952.x
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收录类别SCI
关键词Galaxies : Active Bl Lacertae Objects : General Galaxies : Jets Galaxies : Nuclei Galaxies : Photometry Gamma-rays : Observations
摘要We present the results of our monitoring the flux variability of 12 BL Lac objects, which have variabilities on time-scales ranging from hours to months. Individual sources are discussed in detail. Three of them, OY091, H0548-322 and 0048-097, show significant rapid variation (hours). Two of them, 3C 66A and Mrk 501, exhibit significant variability on time-scales of months. We find that 3C 66A has a variability period of 63 +/- 5 d, supporting the 65-d period obtained by Lainela et al. The periodicity seems to be weak according to the Jurkevich V-m(2) test. We also find a correlation between B - V colour index and B magnitude for Mrk 421. We discuss possible physical mechanisms on the basis of these observational phenomena.
语种英语
学科领域Astronomy & Astrophysics
文章类型Article
ISSN0035-8711
URL查看原文
归档日期2002-02-27
WOS记录号WOS:000174057500005
WOS研究方向Astronomy & Astrophysics
WOS类目Astronomy & Astrophysics
关键词[WOS]ACTIVE GALAXY MARKARIAN-421 ; HISTORICAL LIGHT-CURVE ; GALACTIC RADIO-SOURCES ; TERM OPTICAL BEHAVIOR ; X-RAY ; CCD PHOTOMETRY ; LAC OBJECTS ; INTRADAY VARIABILITY ; RAPID VARIABILITY ; PERIODIC ANALYSIS
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文献类型期刊论文
条目标识符http://ir.ynao.ac.cn/handle/114a53/6952
专题星系研究组
通讯作者Xie, GZ (reprint author), Chinese Acad Sci, Yunnan Astron Observ, POB 110, Kunming 650011, Peoples R China.
作者单位1.Yunnan Astronomical Observatory, Chinese Academy of Sciences, PO Box 110, Kunming 650011, China
2.National Astronomical Observatories, Chinese Academy of Sciences, China
3.United Laboratory of Optical Astronomy, Chinese Academy of Sciences, China
4.Yunnan Astrophysics Center, Yunnan University, Kunming 650091, China
5.Physics Department, Guangxi University, Nanning, Guangxi 530004, China
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Xie GZ,Zhou SB,Dai BZ,et al. Photometric monitoring of 12 BL Lacertae objects[J]. MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY,2002,329(4):689-699.
APA Xie GZ.,Zhou SB.,Dai BZ.,Liang EW.,Li KH.,...&Xie, GZ .(2002).Photometric monitoring of 12 BL Lacertae objects.MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY,329(4),689-699.
MLA Xie GZ,et al."Photometric monitoring of 12 BL Lacertae objects".MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY 329.4(2002):689-699.
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