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Multi‐Frequency Monitoring of Three Gamma‐Ray Quasars

 

作者: Svetlana Jorstad,   Alan Marscher,   Ian McHardy,   Kristopher Makrides,   Daniel Salem,   Thomas Balonek,   Jeyhan Kartaltepe,   Margo Aller,   Valerij Larionov,   Natalia Efimova,   Claudia Raiteri,   Massimo Villata,   Omar Kurtanidze,   Martin Gaskell,   Marc Tu¨rler,  

 

期刊: AIP Conference Proceedings  （AIP Available online 1904）
卷期: Volume 714, issue 1  

页码: 202-208

 

ISSN:0094-243X

 

年代: 1904

 

DOI:10.1063/1.1781028

 

出版商: AIP

 

数据来源: AIP

 

摘要:

We have performed two campaigns of intensive monitoring of the blazars 3C 273, 3C 279, and PKS 1510‐089 in the X‐ray, optical, near‐IR, and radio regions in March and April 2002. The quasar 3C 279 reveals significant interday variability at all wavelengths. The quasar 3C 273 shows smooth variations in the X‐ray and near‐IR regions on time scales of 2–3 days. For both quasars the results indicate close connection between X‐ray and near‐IR emission with a delay of X‐rays from 0 to 3 days. The quasar PKS 1510‐089 was in a low emission state at all frequencies during the campaigns. © 2004 American Institute of Physics

 

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