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A new analysis of the medium-timescale periodicity in S5 0716+714
Ma L(马力)1,2,3; Xie GZ(谢光中)1,4; Zhou SB(周曙白)1,2,4; Chen LE(陈洛恩)1,2,5; Ding SX(丁世学)1,6; Dai H(戴宏)1,2,4; Wu, H3; Xie, ZH3; Ma, L (reprint author), Chinese Acad Sci, Yunan Observ, Natl Astron Observ, Kunming 650011, Peoples R China.
发表期刊INTERNATIONAL JOURNAL OF MODERN PHYSICS D
2004-04
卷号13期号:4页码:659-668
DOI10.1142/S0218271804004773
产权排序第1完成单位
收录类别SCI
关键词Galaxies Active-bl Lac Objects General Bl Lac Objects Individual S5 0716+714
摘要In this paper, we have collected the available observation data of BL Lac S5 0716+714 in I-band from published literature during 1994 to 2000. The light curve shows S5 0716+714 is very active and very complicated non-sinusoidal variations. We studied its medium-timescale periodicity using the Jurkevich and power spectrum method to search for the possible medium-timescale periods and found that one possible medium-timescale periodic with a period of around 14+/-0.1 day is obtained for S5 0716+714. It is interesting to note that these results are in good agreement with the previous results by Impey et al. (2000) and Qian et al. (2002), and this work provides a new analysis and evidence of the medium-timescale periodicity in BL Lac S5 0716+714. The helical jet model seems to be more reasonable for explaining our results than other models.
语种英语
学科领域Astronomy & Astrophysics
文章类型Article
ISSN0218-2718
URL查看原文
归档日期2004-06
WOS记录号WOS:000221683600006
WOS研究方向Astronomy & Astrophysics
WOS类目Astronomy & Astrophysics
关键词[WOS]ACTIVE GALACTIC NUCLEI ; SUPERMASSIVE BLACK-HOLES ; HISTORICAL LIGHT-CURVE ; UNEQUALLY-SPACED DATA ; OBJECT S5 0716+714 ; RAY-LOUD BLAZARS ; BL-LAC OBJECTS ; VARIABILITY ; OJ287 ; WAVELENGTH
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文献类型期刊论文
条目标识符http://ir.ynao.ac.cn/handle/114a53/6978
专题星系研究组
通讯作者Ma, L (reprint author), Chinese Acad Sci, Yunan Observ, Natl Astron Observ, Kunming 650011, Peoples R China.
作者单位1.National Astronomical Observatories/Yunnan Observatory, Chinese Academy of Sciences, Kunming 650011, P. R. China
2.The Graduate School of the Chinese Academy of Science, Kunming 650092, P. R. China
3.Physics Department, Yunnan Normal University, Kunming 650092, P. R. China
4.Yunnan Astrophysics Center, Physics Department, Yunnan University, Kunming 650091, China
5.Physics Department, Yuxi Normal College, Yuxi 653100, P. R. China
6.Physics Department, Xiangfan University, Xianfan 441053, P. R. China
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Ma L,Xie GZ,Zhou SB,et al. A new analysis of the medium-timescale periodicity in S5 0716+714[J]. INTERNATIONAL JOURNAL OF MODERN PHYSICS D,2004,13(4):659-668.
APA Ma L.,Xie GZ.,Zhou SB.,Chen LE.,Ding SX.,...&Ma, L .(2004).A new analysis of the medium-timescale periodicity in S5 0716+714.INTERNATIONAL JOURNAL OF MODERN PHYSICS D,13(4),659-668.
MLA Ma L,et al."A new analysis of the medium-timescale periodicity in S5 0716+714".INTERNATIONAL JOURNAL OF MODERN PHYSICS D 13.4(2004):659-668.
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