Why did EGRET not detect the blazar 3C 345?

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	Why did EGRET not detect the blazar 3C 345?
	Wang HT(王洪涛); Wang HT(王洪涛)
	2007
会议名称	Workshop on Central Engine of Active Galactic Nuclei
会议日期	2006-10-16
会议地点	Xi an, PEOPLES R CHINA
卷号	373
页码	253-254
通讯作者	Wang, HT (reprint author), Chinese Acad Sci, Natl Astron Observ Yunnan Observ, Kunming 650011, Peoples R China.
英文摘要	The blazar 3C 345 is similar to the gamma-ray blazar 3C 279 in many aspects, but EGRET did not detect any gamma-rays from 3C 345. We investigate this issue by comparing 3C 345 with 3C 279 and 3C 273, another strong gamma-ray blazar, in the following aspects: the optical (4400 A) and radio (8 GHz,22 GHz, and 37 GHz) variability amplitude, the optical shortest variability timescale, and the time lags among variations in the four bands. However, we do not find any significant differences between 3C 345 and the other two sources. This suggests that the differences in the gamma-ray properties may result from other reasons.
收录类别	CPCI
产权排序	第一完成单位
会议主办者	Xi an Jiaotong Univ
会议网址	http://adsabs.harvard.edu/abs/2007ASPC..373..253W
会议录	ASTRONOMICAL SOCIETY OF THE PACIFIC (ASP) CONFERENCE SERIES - CENTRAL ENGINE OF ACTIVE GALACTIC NUCLEI
会议录出版者	ASTRONOMICAL SOC PACIFIC
会议录出版地	390 ASHTON AVE, SAN FRANCISCO, CA 94112 USA
学科主题	Astronomy & Astrophysics
语种	英语
ISBN号	978-1-58381-307-2
内容类型	会议论文
源URL	[http://ir.ynao.ac.cn/handle/114a53/310]
专题	云南天文台_丽江天文观测站（南方基地）
通讯作者	Wang HT(王洪涛)
推荐引用方式 GB/T 7714	Wang HT,Wang HT. Why did EGRET not detect the blazar 3C 345?[C]. 见:Workshop on Central Engine of Active Galactic Nuclei. Xi an, PEOPLES R CHINA. 2006-10-16.http://adsabs.harvard.edu/abs/2007ASPC..373..253W.