A low density of the extragalactic background light revealed by the H.E.S.S. spectra of the BL Lac objects 1ES∈1101-232 and H∈2356-309

Astrophysics and Space Science

Volumn 309, Issue 1-4, 2007, Pages 487-495

  Costamante, Luigi ^a  

^a MAX PLANCK INSTITUT FÜR KERNPHYSIK   (Germany)

Author keywords

Rays; AGN; Blazar; Diffuse background; EBL; Extragalactic

Indexed keywords

EID: 34547355087     PISSN: 0004640X     EISSN: 1572946X     Source Type: Journal    
DOI: 10.1007/s10509-007-9418-7     Document Type: Article

References (25)

1. Aharonian, F. A.: TeV blazars and the cosmic infrared background radiation. In: R. Schlickeiser (ed.), Invited, Rapporteur, and Highlight Papers. Proc. 27th ICRC (Hamburg), pp. 250-262 (2001), astroph/0112314
2. Aharonian, F. A., et al.: Observations of H1426+428 with HEGRA. Observations in 2002 and reanalysis of 1999&2000 data. Astron. Astrophys. 403, 523-528 (2003)
3. Aharonian, F.A., et al. (H.E.S.S. collab.): H.E.S.S. observations of PKS 2155-304. Astron. Astrophys. 430, 865-875 (2005)
4. Aharonian, F.A., et al. (H.E.S.S. collab.): A low level of extragalactic background light as revealed by y-rays from blazars. Nature 440, 1018-1022 (2006)
5. Beilicke, M. (H.E.S.S. collab.): Astrophys. Space Sci., doi:10.1007/s'10509-007-9400-4 (2007)
6. Bernstein, R.A., et al.: The first detections of the extragalactic background light at 3000, 5500, and 8000 A. I. Results. Astrophys. J. 571, 56-84 (2002)
7. Costamante, L., Ghisellini, G.: TeV candidate BL Lac objects. Astron. Astrophys. 384, 56-71 (2002)
8. Costamante, L., et al.: Constraining the cosmic background light with four BL Lac TeV spectra. New Astr. Rev. 48, 469-472 (2004)
9. Dole, H., et al.: The cosmic infrared background resolved by Spitzer. Contributions of mid-infrared galaxies to the far-infrared background. Astron. Astrophys. 451, 417-429 (2002)
10. Dwek, E., et al.: The near-infrared background: interplanetary dust or primordial stars? Astrophys. J. 635, 784-794 (2005)
11. Elbaz, D., et al.: The bulk of the cosmic infrared background resolved by ISOCAM. Astron. Astrophys. 384, 848-865 (2002)
12. Ghisellini, G., et al.: A theoretical unifying scheme for γ-ray bright blazars. Mon. Not. Roy. Astron. Soc. 301, 451-468 (1998)
13. Hauser, M.G., Dwek, E.: The cosmic infrared background: measurements and implications. Annu. Rev. Astron. Astrophys. 39, 249 (2001)
14. Katarzynski, K., et al.: Hard TeV spectra of blazars and the constraints to the infrared intergalactic background. Mon. Not. Roy. Astron. Soc. 368, L52-L56 (2006)
15. Madau, P., Silk, J.: Population 111 and the near-infrared background excess. Mon. Not. Roy. Astron. Soc. 359L, 37-41 (2005)
16. Malkov, M.A., O'C Drury, L.: Nonlinear theory of diffusive acceleration of particles by shock waves. Rep. Prog. Phys. 64, 429-481 (2001)
17. Mattila, K.: Has the optical extragalactic background light been detected? Astrophys. J. 591, 119-124 (2003)
18. Padovani, P.: Astrophys. Space Sci., doi:10.1007/s10509-007-9455-2 (2007)
19. Park, B.T., Petrosian, V.: Fokker-Planck equations of stochastic acceleration: a study of numerical methods. Astrophys. J. Suppl. Ser. 103, 255-267 (1996)
20. Primack, J.R., et al.: Probing galaxy formation with high-energy gamma rays. AIP Conf. Proc. 558, 463-478 (2001)
21. Santos, M.R., et al.: The contribution of the first stars to the cosmic infrared background. Mon. Not. Roy. Astron. Soc. 336, 1082-1092 (2002)
22. Sauge, L., Henri, G.: TeV blazar γ-ray emission produced by a cooling pileup particle energy distribution function. Astrophys. J. 616, 136-146 (2004)
23. Schlickeiser, R.: Cosmic Ray Astrophysics. Springer, Berlin (2002)
24. Vainio, R.: Diffusive shock acceleration. In: Proc. Conf. "Plasma turbulence and energetic particles in astrophysics", Cracow (Poland), pp. 232-245 (1999)
25. Wolter, A., et al.: X-ray variability and prediction of TeV emission in the HBL 1ES 1101-232. Astron. Astrophys. 357, 429-436 (2000)