X-ray selected BL Lacertae objects: catalogue and statistical properties

被引：0

作者：

Kapanadze, B. Z. ^{[1
]}

机构：

[1] Ilia State Univ, Abastumani Astrophys Observ, Cholokashvili Ave 3-5, GA-0612 Tbilisi, Georgia

来源：

ADVANCES IN ASTRONOMY AND SPACE PHYSICS | 2012年 / 2卷 / 01期

关键词：

BL Lacertae objects: general;

D O I：

暂无

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

The present work focuses on the statistical properties of X-ray selected BL Lacertae objects (XBLs) whose catalogue has been compiled. It consists of 312 sources from different X-ray surveys, unambiguously identified to mid-2010. Results of the statistical research of different observational quantities (redshift, multiwavelength luminosities, host/nucleus absolute magnitudes, central black hole masses, synchrotron peak frequencies, broadband spectral indices) are also provided and existence of the correlation between them is proved. Overall flux variability shows an increasing trend towards larger frequencies. XBLs are found to be much less active in sense of intra-night optical variability as compared to radio-selected BL Lacs (RBLs). A separate list of 106 XBL candidates including the same characteristics for each source as in the case of XBL catalogue was also created.

引用

页码：45 / 48

页数：4

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