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The variability of BL Lac 3C 66A
Su CY(苏成悦)1,2
Source PublicationCHINESE PHYSICS
Contribution Rank第1完成单位
Indexed BySCI ; EI
KeywordActive Galactic Nuclei Black Hole Accretion Disc Variability

It is now known that there are supermassive black holes at the centre of a galaxy, surrounded by an accretion disc. The black hole-jet-accretion disc model plays an important role in the explanation of the observational properties of active galactic nuclei. BL Lacertae objects form a subclass of blazars; they are monitored through electromagnetic wave bands. During the OJ-94 project, 3C 66A was observed as a comparison object of OJ287 and found to display a possible 65-day period in the V light curve. In this paper, we show that the instability of an accretion disc surrounding a massive central black hole (2.5 x 10(7)Mcircle dot) may explain this period in 3C 66A.

Subject Area天文学 ; 星系与宇宙学
MOST Discipline Catalogue理学 ; 理学::天文学
Publication PlaceP O BOX 603, BEIJING 100080, PEOPLES R CHINA
Archive Date2006-07-14
WOS IDWOS:000223156100035
WOS Research AreaPhysics
WOS SubjectPhysics, Multidisciplinary
WOS KeywordBlack-hole Masses ; Lacertae Objects ; Optical Variability ; Accretion Disks ; Light Curves ; Blazars ; Outbursts
EI Accession Number2005339297579
EI KeywordsAstrophysics
EI Classification Number657.2extraterrestrial Physics And Stellar Phenomena - 711electromagnetic Waves - 921mathematics - 931.1mechanics
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Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Corresponding AuthorSu CY(苏成悦)
Affiliation1.Yunnan Observatory, National Astronomical Observatories, Chinese Academy of Sciences, Kunming 650011, China
2.Guangdong University of Technology, Guangzhou 510643, China
First Author AffilicationYunnan Observatories, Chinese Academy of Sciences
Corresponding Author AffilicationYunnan Observatories, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Su CY. The variability of BL Lac 3C 66A[J]. CHINESE PHYSICS,2004,13(8):1375-1376.
APA Su CY.(2004).The variability of BL Lac 3C 66A.CHINESE PHYSICS,13(8),1375-1376.
MLA Su CY."The variability of BL Lac 3C 66A".CHINESE PHYSICS 13.8(2004):1375-1376.
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