PKS 2155-304 in July 2006: HESS results and simultaneous multi-wavelength observations

被引：0

作者：

Lenain, Jean-Philippe ^{[1
]}

Benbow, Wystan ^{[2
]}

Boisson, Catherine ^{[1
]}

Buehler, Rolf ^{[2
]}

Costamante, Luigi ^{[2
,3
]}

Giebels, Berrie ^{[4
]}

Katarzynski, Krzysztof ^{[5
]}

Pita, Santiago ^{[6
]}

Punch, Michael ^{[6
]}

Raue, Martin ^{[2
,3
]}

Sol, Helene ^{[1
]}

Superina, Giulia ^{[4
]}

Volpe, Francesca ^{[3
,4
]}

Zech, Andreas ^{[1
]}

机构：

[1] Univ Paris Diderot, CNRS, Observ Paris, LUTH, Meudon, France

[2] Max Planck Inst Kernphys, Heidelberg, Germany

[3] CNRS & MPG, European Assoc Lab Gamma Ray Astron, Paris, France

[4] Ecole Polytech, CNRS IN2P3, Lab Leprince Ringuet, Palaiseau, France

[5] Nicolaus Copernicus Univ, Torin Ctr Astron, Torun, Poland

[6] Univ Paris 07, CNRS, APC, Paris, France

来源：

HIGH ENERGY GAMMA-RAY ASTRONOMY | 2009年 / 1085卷

基金：

新加坡国家研究基金会; 英国科学技术设施理事会;

关键词：

gamma-rays; BL Lac objects; Radiation mechanisms; GAMMA-RAYS; PKS-2155-304;

D O I：

暂无

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

The high-frequency-peaked BL Lac PKS 2155-304 is one of the brightest and best-studied VEE gamma-ray sources in the southern hemisphere. The High Energy Stereoscopic System (H.E.S.S.) has monitored PKS 2155-304 in 2006 and a multi-wavelength campaign involving X-ray, optical and radio observatories was triggered by the detection of an active state in July 2006, followed by the detection of two extraordinary flares on July, 28th and 30th, with peak fluxes similar to 100 times the usual values. We present results from the spectral and flux variability analysis of the VEE and simultaneous X-ray observations with Chandra during the second flare, as well as the detailed evolution of the VHE flux of PKS 2155-304 observed by H.E.S.S. in 2006. A study of flux correlations in the different frequency ranges during the second flare and the adjacent nights is discussed. We also present an interpretation of the active state of PKS 2155-304 in the framework of synchrotron self-Compton emission.

引用

页码：415 / +

页数：2

共 50 条

[1] Multi-wavelength observations of PKS 2155-304 with HESS
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[J]. ASTRONOMY & ASTROPHYSICS, 2005, 442 (03) : 895 - 907
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[J]. ASTRONOMY & ASTROPHYSICS, 2005, 430 (03): : 865 - 875
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Maurin, G.
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Horns, D.
Leroy, N.
Puehlhofer, G.
Reimer, A.
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[J]. Proceedings of the 29th International Cosmic Ray Conference, Vol 4: OG 2.1, 2.2 & 2.3, 2005, : 279 - 282
[8] Rosat observations of PKS 2155-304
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[J]. BL LAC PHENOMENON, 1999, 159 : 168 - 171
[9] TeV variability studies of PKS 2155-304 with HESS
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Gunji, S.
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Hattori, T.
Hayashi, S.
Higashi, Y.
Hirai, Y.
Inoue, K.
Itoh, C.
Kabuki, S.
Kajino, F.
Katagiri, H.
Kawachi, A.
Kifune, T.
Kiuchi, R.
Kubo, H.
Mizuniwa, R.
Mori, M.
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Suzuki, T.
Swaby, D. L.
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Tokanai, F.
Tsuchiya, K.
Watanabe, S.
Yamada, Y.
Yanagita, S.
Yoshida, T.
Yoshikoshi, T.
Yukawa, Y.
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