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CCD photometry and long-term optical variability of PKS 2155-304
Zhang YH(张有宏); Xie GZ(谢光中); Zhang, YH
Source PublicationASTRONOMY & ASTROPHYSICS SUPPLEMENT SERIES
1996-04
Volume116Issue:2Pages:289-293
Contribution Rank第2完成单位
Indexed BySCI
KeywordBl Lacertae Objects General Individual (Pks 2155-304)
AbstractThe paper presents the first evidence for long-term optical variability and colour behaviour of the X-ray-selected BL Lacertae object PKS 2155-304, which is the first example of its class. Our results show that the amplitude of the optical variations of PKS 2155-304 has been only about 1.4 magnitudes from its photometric history; no significant correlation between brightness and colours is found for PKS 2155-304. Our recent CCD photometry of PKS 2155-304 during September-October 1993 and July 1994 showed that it was the same brightness state as that in November 1991 (Smith et al. 1992).
Language英语
Subject AreaAstronomy & Astrophysics
SubtypeArticle
ISSN0365-0138
URL查看原文
WOS IDWOS:A1996UE74000007
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
WOS KeywordBL LACERTAE OBJECT ; UBVRI PHOTOPOLARIMETRIC OBSERVATIONS ; X-RAY ; BLAZARS ; PKS-2155-304 ; POLARIMETRY
Citation statistics
Cited Times:11[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ynao.ac.cn/handle/114a53/6893
Collection星系研究组
Corresponding AuthorZhang, YH
Recommended Citation
GB/T 7714
Zhang YH,Xie GZ,Zhang, YH. CCD photometry and long-term optical variability of PKS 2155-304[J]. ASTRONOMY & ASTROPHYSICS SUPPLEMENT SERIES,1996,116(2):289-293.
APA 张有宏,谢光中,&Zhang, YH.(1996).CCD photometry and long-term optical variability of PKS 2155-304.ASTRONOMY & ASTROPHYSICS SUPPLEMENT SERIES,116(2),289-293.
MLA 张有宏,et al."CCD photometry and long-term optical variability of PKS 2155-304".ASTRONOMY & ASTROPHYSICS SUPPLEMENT SERIES 116.2(1996):289-293.
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