Search for gamma-ray emission from magnetars with the Fermi Large Area Telescope

A.A. Abdo; M. Ackermann; M. Ajello; A. Allafort; L. Baldini; J. Ballet; G. Barbiellini; M. G. Baring; D. Bastieri; R. Bellazzini; R. D. Blandford; E. D. Bloom; E. Bonamente; A. W. Borgland; A. Bouvier; J. Bregeon; M. Brigida; P. Bruel; T. H. Burnett; G. A. Caliandro; R. A. Cameron; P. A. Caraveo; C. Cecchi; Ö. Çelik; S. Chaty; A. Chekhtman; C. C. Cheung; J. Chiang; S. Ciprini; R. Claus; J. Conrad; P. R. Den Hartog; C. D. Dermer; A. De Angelis; F. De Palma; R. Dib; M. Dormody; E. Do Couto E Silva; P. S. Drell; R. Dubois; D. Dumora; T. Enoto; C. Favuzzi; M. Frailis; P. Fusco; F. Gargano; N. Gehrels; N. Giglietto; P. Giommi; F. Giordano; M. Giroletti; T. Glanzman; G. Godfrey; I. A. Grenier; M.-H. Grondin; S. Guiriec; D. Hadasch; Y. Hanabata; A. K. Harding; E. Hays; G. L. Israel; G. Jóhannesson; A. S. Johnson; V. M. Kaspi; H. Katagiri; J. Kataoka; J. Knödlseder; M. Kuss; J. Lande; S.-H. Lee; M. Lemoine-Goumard; F. Longo; F. Loparco; M. N. Lovellette; P. Lubrano; A. Makeev; M. Marelli; M. N. Mazziotta; J. E. Mcenery; J. Mehault; P. F. Michelson; T. Mizuno; A. A. Moiseev; C. Monte; M. E. Monzani; A. Morselli; I. V. Moskalenko; S. Murgia; M. Naumann-Godo; P. L. Nolan; E. Nuss; T. Ohsugi; A. Okumura; N. Omodei; E. Orlando; J. F. Ormes; M. Ozaki; D. Paneque; D. Parent; M. Pepe; M. Pesce-Rollins; F. Piron; T. A. Porter; S. Rainò; R. Rando; M. Razzano; N. Rea; A. Reimer; O. Reimer; T. Reposeur; S. Ritz; H. F.-W. Sadrozinski; P. M. Saz Parkinson; C. Sgrò; E. J. Siskind; D. A. Smith; G. Spandre; P. Spinelli; M. S. Strickman; H. Takahashi; T. Tanaka; J. B. Thayer; D. J. Thompson; L. Tibaldo; D. F. Torres; G. Tosti; A. Tramacere; E. Troja; Y. Uchiyama; T. L. Usher; J. Vandenbroucke; V. Vasileiou; G. Vianello; V. Vitale; A. P. Waite; B. L. Winer; K. S. Wood; Z. Yang; M. Ziegler

HAL: in2p3-00585162, version 1

arXiv: 1011.0091

DOI: 10.1088/2041-8205/725/1/L73

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Astrophysical Journal Letters 725 (2010) L73-L78

Search for gamma-ray emission from magnetars with the Fermi Large Area Telescope

A.A. Abdo, M. Ackermann, M. Ajello, A. Allafort, L. Baldini, J. Ballet ¹, G. Barbiellini, M. G. Baring, D. Bastieri, R. Bellazzini, R. D. Blandford, E. D. Bloom, E. Bonamente, A. W. Borgland, A. Bouvier, J. Bregeon, M. Brigida, P. Bruel ², T. H. Burnett, G. A. Caliandro, R. A. Cameron, P. A. Caraveo, C. Cecchi, Ö. Çelik, S. Chaty ¹, A. Chekhtman, C. C. Cheung, J. Chiang, S. Ciprini, R. Claus, J. Conrad, P. R. Den Hartog, C. D. Dermer, A. De Angelis, F. De Palma, R. Dib, M. Dormody, E. Do Couto E Silva, P. S. Drell, R. Dubois, D. Dumora ³, T. Enoto, C. Favuzzi, M. Frailis, P. Fusco, F. Gargano, N. Gehrels, N. Giglietto, P. Giommi, F. Giordano, M. Giroletti, T. Glanzman, G. Godfrey, I. A. Grenier ¹, M.-H. Grondin ³, S. Guiriec ⁴, D. Hadasch, Y. Hanabata, A. K. Harding, E. Hays, G. L. Israel, G. Jóhannesson, A. S. Johnson, V. M. Kaspi, H. Katagiri, J. Kataoka, J. Knödlseder ⁵, M. Kuss, J. Lande, S.-H. Lee, M. Lemoine-Goumard ³, F. Longo, F. Loparco, M. N. Lovellette, P. Lubrano, A. Makeev, M. Marelli, M. N. Mazziotta, J. E. Mcenery, J. Mehault ⁴, P. F. Michelson, T. Mizuno, A. A. Moiseev, C. Monte, M. E. Monzani, A. Morselli, I. V. Moskalenko, S. Murgia, M. Naumann-Godo, P. L. Nolan, E. Nuss ⁴, T. Ohsugi, A. Okumura, N. Omodei, E. Orlando, J. F. Ormes, M. Ozaki, D. Paneque, D. Parent ³, M. Pepe, M. Pesce-Rollins, F. Piron ⁴, T. A. Porter, S. Rainò, R. Rando, M. Razzano, N. Rea, A. Reimer, O. Reimer, T. Reposeur ³, S. Ritz, H. F.-W. Sadrozinski, P. M. Saz Parkinson, C. Sgrò, E. J. Siskind, D. A. Smith ³, G. Spandre, P. Spinelli, M. S. Strickman, H. Takahashi, T. Tanaka, J. B. Thayer, D. J. Thompson, L. Tibaldo ¹, D. F. Torres, G. Tosti, A. Tramacere, E. Troja, Y. Uchiyama, T. L. Usher, J. Vandenbroucke, V. Vasileiou, G. Vianello, V. Vitale, A. P. Waite, B. L. Winer, K. S. Wood, Z. Yang, M. Ziegler

For the Fermi-LAT collaboration(s)

(2010-12)

We report on the search for 0.1-10 GeV emission from magnetars in 17 months of Fermi Large Area Telescope (LAT) observations. No significant evidence for gamma-ray emission from any of the currently-known magnetars is found. The most stringent upper limits to date on their persistent emission in the Fermi-LAT energy range are estimated between ~10^{-12}-10^{-10} erg/s/cm2, depending on the source. We also searched for gamma-ray pulsations and possible outbursts, also with no significant detection. The upper limits derived support the presence of a cut-off at an energy below a few MeV in the persistent emission of magnetars. They also show the likely need for a revision of current models of outer gap emission from strongly magnetized pulsars, which, in some realizations, predict detectable GeV emission from magnetars at flux levels exceeding the upper limits identified here using the Fermi-LAT observations.

1:	Astrophysique Interactions Multi-échelles (AIM)

	CNRS : UMR7158 – INSU – Université Paris VII - Paris Diderot – CEA : DSM/IRFU

2:	Laboratoire Leprince-Ringuet (LLR)

	CNRS : UMR7638 – IN2P3 – Polytechnique - X

3:	Centre d'Etudes Nucléaires de Bordeaux Gradignan (CENBG)

	CNRS : UMR5797 – IN2P3 – Université Sciences et Technologies - Bordeaux I

4:	Laboratoire de Physique Théorique et Astroparticules (LPTA)

	CNRS : UMR5207 – IN2P3 – Université Montpellier II - Sciences et techniques

5:	Centre d'étude spatiale des rayonnements (CESR)

	CNRS : UMR5187 – Observatoire Midi-Pyrénées – INSU – Université Paul Sabatier [UPS] - Toulouse III

Subject(s)

Physics/Astrophysics/High Energy Astrophysical Phenomena

Sciences of the Universe/Astrophysics/High Energy Astrophysical Phenomena

Keyword(s): gamma rays: stars – magnetic fields – pulsars: individual (4U 0142+614 – 1E 1048.1-5937 – 1E 1841-045 – 1E 1547-5408 – 1RXS J1708-4009 – XTE J1810-197 – CXOU J1647-4552 – 1E 2259+586 – SGR 1900+14 – SGR 1806-20 – SGR 1627-41 – SGR 0501+4516 – SGR 0418+5729) – stars: magnetars

Fulltext link:

http://fr.arXiv.org/abs/1011.0091


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Submitted on: Monday, 11 April 2011 23:26:43
Updated on: Tuesday, 12 April 2011 11:38:37