Study of the variability of blazars Gamma-Ray emission

Advances in Space Research

Volumn 48, Issue 6, 2011, Pages 998-1003

  Sbarrato, T ^a   Foschini, L ^b   Ghisellini, G ^b   Tavecchio, F ^b  

^a UNIVERSITY OF MILANO BICOCCA   (Italy)

^b INAF OSSERVATORIO ASTRONOMICO DI BRERA   (Italy)

Author keywords

Galaxies: active; Galaxies: jets; Gamma rays: galaxies

Indexed keywords

GALAXIES; PHOTONS; TIME MEASUREMENT;

GALAXIES : ACTIVE; GALAXIES:JETS; GAMMA RAYS: GALAXIES; GAMMA-RAY EMISSION; LARGE AREA TELESCOPES; LIGHT CURVES; LORENTZ FACTOR; LOWER LIMITS;

GAMMA RAYS;

EID: 79960977981     PISSN: 02731177     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.asr.2011.05.019     Document Type: Article

References (21)

1. A.A. Abdo, M. Ackermann, and M. Ajello Gamma-ray light curves and variability of bright Fermi-detected blazars ApJ 722 2010 520 542
2. M. Ackermann, M. Ajello, and L. Baldini Fermi gamma-ray space telescope observations of gamma-ray outbursts from 3C 454.3 in 2009 December and 2010 April 3 ApJ 721 2010 1383 1396
3. F. Aharonian, A.G. Akhperjanian, and A.R. Bazer-Bachi An exceptional very high energy gamma-ray flare of PKS 2155-304 ApJ 664 2007 L71 L74
4. F. Aharonian, A.G. Akhperjanian, and G. Anton Simultaneous multiwavelength observations of the second exceptional γ-ray flare of PKS2155304 in July 2006 A&A 502 2009 749 770
5. J. Albert, E. Aliu, and H. Anderhub Variable very high energy gamma-ray emission from Markarian 501 ApJ 669 2007 862 883
6. W.B. Atwood, A.A. Abdo, and M. Ackermann The large area telescope on the fermi gamma-ray space telescope mission ApJ 697 2009 1071 1102
7. M.C. Begelman, R.D. Blandford, and M.J. Rees Theory of extragalactic radio sources Rev. Mod. Ph. 56 1984 255 351
8. M.C. Begelman, A.C. Fabian, and M.J. Rees Implications of very rapid TeV variability in blazars MNRAS 384 2008 L19 L23
9. G. Bonnoli, G. Ghisellini, and L. Foschini The γ-ray brightest days of the blazar 3C 454.3 MNRAS 410 2011 368 380
10. L. Dondi, and G. Ghisellini Gamma-ray-loud blazars and beaming MNRAS 273 1995 583 595
11. L. Foschini, G. Ghisellini, and F. Tavecchio X-ray/UV/optical follow-up of the blazar PKS 2155-304 after the giant TeV flares of 2006 July ApJ 657 2007 L81 L84
12. L. Foschini, F. Longo, and G. Iafrate Fermi/LAT detection of strong activity on short timescales of the blazar AO 0235+164 ATel 1784 2008
13. L. Foschini, G. Tagliaferri, and G. Ghisellini Does the gamma-ray flux of the blazar 3C 454.3 vary on sub-hour time scales? MNRAS 408 2010 448 451
14. L. Foschini, G. Ghisellini, and F. Tavecchio Search for the shortest variability at gamma rays in flat-spectrum radio quasars A & A 530 2011 A77
15. G. Ghisellini, F. Tavecchio, and L. Foschini General physical properties of bright Fermi blazars MNRAS 402 2010 497 518
16. S.G. Jorstad, A.P. Marscher, and M.L. Lister Polarimetric observations of 15 active galactic nuclei at high frequencies: jet kinematics from bimonthly monitoring with the very long baseline array AJ 130 2005 1418 1465 (Pubitemid 41599837)
17. J.R. Mattox, D.L. Bertsch, and J. Chiang The likelihood analysis of EGRET data ApJ 461 1996 396 407
18. J.R. Mattox, S.J. Wagner, and M. Malkan An intense gamma-ray flare of PKS 1622-297 ApJ 476 1997 692 697
19. F. Tavecchio, G. Ghisellini, G. Bonnoli, and G. Ghirlanda Constraining the location of the emitting region in Fermi blazars through rapid γ-ray variability MNRAS 405 2010 L94 L98
20. M.H. Ulrich, L. Maraschi, and C.M. Urry Variability of active galactic nuclei ARA&A 35 1997 445 502 (Pubitemid 127337400)
21. A.E. Wehrle, E. Pian, and C.M. Urry Multiwavelength observations of a dramatic high-energy flare in the blazar 3C 279 ApJ 497 1998 178 187