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Decijansky radio flux BL Lacertae objects
Tan YP(覃一平); Xie GZ(谢光中); Qin YP(覃一平)
发表期刊ASTROPHYSICAL JOURNAL
1997-09-20
卷号487期号:1页码:L41-L44
DOI10.1086/310860
产权排序第1完成单位
收录类别SCI
关键词Bl Lacertae Objects Galaxies Radio Continuum X-rays General Nuclei Galaxies Galaxies
摘要BL Lac objects with radio flux in the range of [1, 10) decijanskys (dJy) are defined as observational class ''dJy.'' Because the radio fluxes of most radio-selected BL Lac objects (RBLs) are bigger than I Jy while the radio fluxes of most X-ray-selected BL Lac objects (XBLs) are less than 1 dJy, we investigate whether the dJy class forms a bridge connecting RBLs and XBLs on the alpha(ro)-alpha(ox) color-color diagram. We compose a dJy sample by collecting dJy class sources from radio and X-ray surveys as well as other means of observation. Our study shows that the dJy sample so collected does not form a bridge connecting RBLs and XBLs. Instead, the sources of the sample are mainly distributed in the main domains of RBLs and XBLs. We find no evidence of the existence of any specific observational class in the medium of the two classes. This suggests that RBLs and XBLs may not be unified merely through observational orientation, because such a unified scheme expects some observational class to form the bridge. In order to have a more reliable study, it is proposed that 1 dJy radio surveys that include some previously missed BL Lac objects should be made.
语种英语
学科领域Astronomy & Astrophysics
文章类型Article
ISSN0004-637X
URL查看原文
WOS记录号WOS:A1997XY50900011
WOS研究方向Astronomy & Astrophysics
WOS类目Astronomy & Astrophysics
关键词[WOS]ACTIVE GALACTIC NUCLEI
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被引频次:4[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/114a53/6878
专题星系研究组
通讯作者Qin YP(覃一平)
作者单位Yunnan Observatory, Chinese Academy of Sciences, Kunming, Yunnan, P.R. China
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Tan YP,Xie GZ,Qin YP. Decijansky radio flux BL Lacertae objects[J]. ASTROPHYSICAL JOURNAL,1997,487(1):L41-L44.
APA Tan YP,Xie GZ,&Qin YP.(1997).Decijansky radio flux BL Lacertae objects.ASTROPHYSICAL JOURNAL,487(1),L41-L44.
MLA Tan YP,et al."Decijansky radio flux BL Lacertae objects".ASTROPHYSICAL JOURNAL 487.1(1997):L41-L44.
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