PKS 2005-489 高态下的同时多波段观测活动
高能天体物理现象
2012-08-27 v1
摘要
高频峰 BL Lac 天体 PKS 2005-489 是一项多波段观测活动的目标，该活动在 TeV 伽马射线（H.E.S.S.）、GeV 伽马射线（Fermi/LAT）、X 射线（RXTE, Swift）、紫外（Swift）和光学（ATOM, Swift）波段进行了同时观测。此次观测活动在同步辐射区的高通量态期间进行。光学和 X 射线波段的通量达到了历史最大值水平。Fermi/LAT 观测到的硬 GeV 谱与 H.E.S.S. 测量的甚高能（VHE, E>100GeV）谱良好衔接，峰值能量在约 5 至 500 GeV 之间。与 2004 年 VHE 和 X 射线波段同期覆盖的观测相比，在 2009 年观测活动期间 X 射线通量高出约 50 倍，而 TeV 伽马射线通量多年来仅呈现边际变化。此次多波段观测活动期间的能谱分布由具有明确 X 射线截断的单区同步自康普顿模型拟合。单区 SSC 模型的参数与光变时间尺度不一致。尽管该模型对 2009 年宽带数据有看似满意的拟合，但多年来同步辐射变化大而逆康普顿辐射变化小的光变行为，并不支持在单区 SSC 模型内进行解释。
引用
@article{arxiv.1111.3331,
title = {Simultaneous multi-wavelength campaign on PKS 2005-489 in a high state},
author = {The H. E. S. S. Collaboration and the Fermi LAT Collaboration and : and A. Abramowski and F. Acero and F. Aharonian and A. G. Akhperjanian and G. Anton and A. Barnacka and U. Barres de Almeida and A. R. Bazer-Bachi and Y. Becherini and J. Becker and B. Behera and K. Bernlöhr and A. Bochow and C. Boisson and J. Bolmont and P. Bordas and V. Borrel and J. Brucker and F. Brun and P. Brun and T. Bulik and I. Büsching and S. Casanova and M. Cerruti and P. M. Chadwick and A. Charbonnier and R. C. G. Chaves and A. Cheesebrough and L. -M. Chounet and A. C. Clapson and G. Coignet and J. Conrad and M. Dalton and M. K. Daniel and I. D. Davids and B. Degrange and C. Deil and H. J. Dickinson and A. Djannati-Ataï and W. Domainko and L. O'C. Drury and F. Dubois and G. Dubus and J. Dyks and M. Dyrda and K. Egberts and P. Eger and P. Espigat and L. Fallon and C. Farnier and S. Fegan and F. Feinstein and M. V. Fernandes and A. Fiasson and G. Fontaine and A. Förster and M. Füßling and S. Gabici and Y. A. Gallant and H. Gast and L. Gérard and D. Gerbig and B. Giebels and J. F. Glicenstein and B. Glück and P. Goret and D. Göring and J. D. Hague and D. Hampf and M. Hauser and S. Heinz and G. Heinzelmann and G. Henri and G. Hermann and J. A. Hinton and A. Hoffmann and W. Hofmann and P. Hofverberg and D. Horns and A. Jacholkowska and O. C. de Jager and C. Jahn and M. Jamrozy and I. Jung and M. A. Kastendieck and K. Katarzyński and U. Katz and S. Kaufmann and D. Keogh and M. Kerschhaggl and D. Khangulyan and B. Khélifi and D. Klochkov and W. Kluźniak and T. Kneiske and Nu. Komin and K. Kosack and R. Kossakowski and H. Laffon and G. Lamanna and J. -P. Lenain and D. Lennarz and T. Lohse and A. Lopatin and C. -C. Lu and V. Marandon and A. Marcowith and J. Masbou and D. Maurin and N. Maxted and T. J. L. McComb and M. C. Medina and J. Méhault and N. Nguyen and R. Moderski and E. Moulin and M. Naumann-Godo and M. de Naurois and D. Nedbal and D. Nekrassov and B. Nicholas and J. Niemiec and S. J. Nolan and S. Ohm and J-F. Olive and E. de Oña Wilhelmi and B. Opitz and M. Ostrowski and M. Panter and M. Paz Arribas and G. Pedaletti and G. Pelletier and P. -O. Petrucci and S. Pita and G. Pühlhofer and M. Punch and A. Quirrenbach and M. Raue and S. M. Rayner and A. Reimer and O. Reimer and M. Renaud and R. de los Reyes and F. Rieger and J. Ripken and L. Rob and S. Rosier-Lees and G. Rowell and B. Rudak and C. B. Rulten and J. Ruppel and F. Ryde and V. Sahakian and A. Santangelo and R. Schlickeiser and F. M. Schöck and A. Schönwald and U. Schwanke and S. Schwarzburg and S. Schwemmer and A. Shalchi and M. Sikora and J. L. Skilton and H. Sol and G. Spengler and Ł. Stawarz and R. Steenkamp and C. Stegmann and F. Stinzing and I. Sushch and A. Szostek and P. H. Tam and J. -P. Tavernet and R. Terrier and O. Tibolla and M. Tluczykont and K. Valerius and C. van Eldik and G. Vasileiadis and C. Venter and J. P. Vialle and A. Viana and P. Vincent and M. Vivier and H. J. Völk and F. Volpe and S. Vorobiov and M. Vorster and S. J. Wagner and M. Ward and A. Wierzcholska and A. Zajczyk and A. A. Zdziarski and A. Zech and H. -S. Zechlin and A. A. Abdo and M. Ackermann and M. Ajello and L. Baldini and J. Ballet and G. Barbiellini and D. Bastieri and K. Bechtol and R. Bellazzini and B. Berenji and R. D. Blandford and E. Bonamente and A. W. Borgland and J. Bregeon and A. Brez and M. Brigida and P. Bruel and R. Buehler and S. Buson and G. A. Caliandro and R. A. Cameron and A. Cannon and P. A. Caraveo and S. Carrigan and J. M. Casandjian and E. Cavazzuti and C. Cecchi and Ö. Çelik and A. Chekhtman and C. C. Cheung and J. Chiang and S. Ciprini and R. Claus and J. Cohen-Tanugi and S. Cutini and C. D. Dermer and F. de Palma and E. do Couto e Silva and P. S. Drell and R. Dubois and D. Dumora and L. Escande and C. Favuzzi and E. C. Ferrara and W. B. Focke and P. Fortin and M. Frailis and Y. Fukazawa and P. Fusco and F. Gargano and D. Gasparrini and N. Gehrels and S. Germani and N. Giglietto and P. Giommi and F. Giordano and M. Giroletti and T. Glanzman and G. Godfrey and I. A. Grenier and J. E. Grove and S. Guiriec and D. Hadasch and E. Hays and D. Horan and R. E. Hughes and G. Jóhannesson and A. S. Johnson and W. N. Johnson and T. Kamae and H. Katagiri and J. Kataoka and J. Knödlseder and M. Kuss and J. Lande and L. Latronico and S. -H. Lee and F. Longo and F. Loparco and B. Lott and M. N. Lovellette and P. Lubrano and G. M. Madejski and A. Makeev and M. N. Mazziotta and W. McConville and J. E. McEnery and P. F. Michelson and T. Mizuno and C. Monte and M. E. Monzani and A. Morselli and I. V. Moskalenko and S. Murgia and T. Nakamori and S. Nishino and P. L. Nolan and J. P. Norris and E. Nuss and T. Ohsugi and A. Okumura and N. Omodei and E. Orlando and J. F. Ormes and M. Ozaki and D. Paneque and J. H. Panetta and D. Parent and V. Pelassa and M. Pepe and M. Pesce-Rollins and F. Piron and T. A. Porter and S. Rainò and R. Rando and M. Razzano and H. F. -W. Sadrozinski and D. Sanchez and A. Sander and C. Sgrò and E. J. Siskind and P. D. Smith and G. Spandre and P. Spinelli and M. S. Strickman and D. J. Suson and H. Takahashi and T. Takahashi and T. Tanaka and J. B. Thayer and J. G. Thayer and D. J. Thompson and L. Tibaldo and D. F. Torres and G. Tosti and A. Tramacere and E. Troja and T. Uehara and T. L. Usher and J. Vandenbroucke and G. Vianello and N. Vilchez and V. Vitale and A. P. Waite and P. Wang and B. L. Winer and K. S. Wood and Z. Yang and T. Ylinen and M. Ziegler},
journal= {arXiv preprint arXiv:1111.3331},
year = {2012}
}
备注
published in A&A, 9pages, 4figures. Due to some style difficulties using the standard style file with the long author list, the abstract has been included manually. A version with the correct style can be found in the website http://www.lsw.uni-heidelberg.de/users/skaufman/publications/aa16170-10published.pdf