The periodicity analysis of the light curve of PKS 0735+178 and implications for its central structure

doi:10.1142/S0218271804004694

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	The periodicity analysis of the light curve of PKS 0735+178 and implications for its central structure
	Ding SX(丁世学)1,2 ; Xie GZ(谢光中)1,3 ; Liang EW(梁恩维)1,4 ; Zhou SB(周曙白)1,3 ; Ma L(马力)1,5 ; Xie, GZ (reprint author), Chinese Acad Sci, Yunnan Observ, Natl Astron Observ, POB 110, 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:771-782
DOI	10.1142/S0218271804004694
产权排序	第1完成单位
收录类别	SCI
关键词	Bl Lacerate Pks 0735+178 Black Hole
摘要	The observation data in the B band for BL Lacerate object PKS 0735+178 during 19701998 from twenty two publications have been compiled into a light curve. The light curve shows that PKS 0735+178 is very active and exhibits very complicated non-sinusoidal variations. Using both Jurkevich's method and Power spectrum method to analyze these data we have found two periods of 5.26+/-0.98 years and 1.24+/-0.05 years for the outbursts in PKS 0735+178. It is of interest to note that the results of the two methods axe the same (almost). In addition, these values are in good agreement with the results found by Smith et al.(47) and Webb et al.(61) We also apply the binary black hole model to explain the central structure of this object and obtain the masses of the primary and secondary black holes axe 1.7 x 10(9)M(circle dot) and 2.88 x 10(7) M-circle dot respectively. It should be monitored in future to obtain more data for further analysis to test the hypothesis.
语种	英语
学科领域	Astronomy & Astrophysics
文章类型	Article
ISSN	0218-2718
URL	查看原文
归档日期	2004-06
WOS记录号	WOS:000221683600012
WOS研究方向	Astronomy & Astrophysics
WOS类目	Astronomy & Astrophysics
关键词[WOS]	BL-LACERTAE OBJECTS ; SUPERMASSIVE BLACK-HOLES ; RAY-LOUD BLAZARS ; UBVRI PHOTOPOLARIMETRIC OBSERVATIONS ; EXTRAGALACTIC RADIO-SOURCES ; MULTIFREQUENCY OBSERVATIONS ; OPTICAL VARIABILITY ; CCD PHOTOMETRY ; BEAMING MODEL ; LAC OBJECTS
引用统计	被引频次：5[WOS] [WOS记录] [WOS相关记录]
文献类型	期刊论文
条目标识符	http://ir.ynao.ac.cn/handle/114a53/6979
专题	星系研究组
通讯作者	Xie, GZ (reprint author), Chinese Acad Sci, Yunnan Observ, Natl Astron Observ, POB 110, Kunming 650011, Peoples R China.
作者单位	1.Yunnan Observatory, National Astronomical Observatories, The Chinese Academy of Sciences, Kunming 650011, China 2.Physics Department, Xiangfan University, Xiangfan 441053, China 3.Yunnan Astrophysics Center, Yunan University, Kunming 650091, China 4.Physics Department, Guangxi University, Nanning 530004, China 5.Physics Department, Yunnan Normal University, Kunming 650091, P.R. China
第一作者单位	中国科学院云南天文台
推荐引用方式 GB/T 7714	Ding SX,Xie GZ,Liang EW,et al. The periodicity analysis of the light curve of PKS 0735+178 and implications for its central structure[J]. INTERNATIONAL JOURNAL OF MODERN PHYSICS D,2004,13(4):771-782.
APA	Ding SX,Xie GZ,Liang EW,Zhou SB,Ma L,&Xie, GZ .(2004).The periodicity analysis of the light curve of PKS 0735+178 and implications for its central structure.INTERNATIONAL JOURNAL OF MODERN PHYSICS D,13(4),771-782.
MLA	Ding SX,et al."The periodicity analysis of the light curve of PKS 0735+178 and implications for its central structure".INTERNATIONAL JOURNAL OF MODERN PHYSICS D 13.4(2004):771-782.

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