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Markus Ackermann Marco Ajello M. Albert 1 A. Allafort E. Antolini Luca Baldini Jean Ballet 2 Guido Barbiellini D. Bastieri K. Bechtol R. Bellazzini R. D. Blandford E. D. Bloom E. Bonamente E. Bottacini A. Bouvier T. J. Brandt 3 J. Bregeon M. Brigida Pascal Bruel 4 R. Buehler S. Buson G. A. Caliandro R. A. Cameron P. A. Caraveo E. Cavazzuti C. Cecchi E. Charles A. Chekhtman C. C. Cheung J. Chiang G. Chiaro S. Ciprini R. Claus J. Cohen-Tanugi J. Conrad S. Cutini M. Dalton F. d'Ammando A. de Angelis F. de Palma C. D. Dermer L. Di Venere P. S. Drell A. Drlica-Wagner C. Favuzzi S. J. Fegan 4 E. C. Ferrara W. B. Focke A. Franckowiak Y. Fukazawa S. Funk P. Fusco 5 F. Gargano 5 D. Gasparrini S. Germani N. Giglietto F. Giordano 5 M. Giroletti T. Glanzman G. Godfrey I. A. Grenier 2 M.-H. Grondin J. E. Grove S. Guiriec D. Hadasch Y. Hanabata A. K. Harding M. Hayashida E. Hays J. Hewitt A. B. Hill 6 D. Horan 4 X. Hou 7 R. E. Hughes Y. Inoue M. S. Jackson T. Jogler G. Jóhannesson W. N. Johnson T. Kamae J. Kataoka T. Kawano J. Knödlseder 3 M. Kuss J. Lande S. Larsson L. Latronico M. Lemoine-Goumard 7 F. Longo F. Loparco 5 B. Lott 7 M. N. Lovellette P. Lubrano M. Mayer M. N. Mazziotta J. E. Mcenery P. F. Michelson W. Mitthumsiri T. Mizuno C. Monte M. E. Monzani A. Morselli I. V. Moskalenko S. Murgia R. Nemmen E. Nuss 8 T. Ohsugi A. Okumura N. Omodei M. Orienti E. Orlando J. F. Ormes D. Paneque J. H. Panetta J. S. Perkins M. Pesce-Rollins F. Piron 8 G. Pivato T.A. Porter S. Rainò R. Rando M. Razzano A. Reimer O. Reimer C. Romoli M. Roth M. Sánchez-Conde J. D. Scargle A. Schulz C. Sgrò E. J. Siskind G. Spandre P. Spinelli D.J. Suson H. Takahashi Y. Takeuchi J. G. Thayer J. B. Thayer D. J. Thompson L. Tibaldo M. Tinivella D. F. Torres G. Tosti E. Troja V. Tronconi T. L. Usher J. Vandenbroucke V. Vasileiou 8 G. Vianello V. Vitale B. L. Winer K. S. Wood M. Wood Z. Yang
Abstract : In this paper, we present the Fermi All-sky Variability Analysis (FAVA), a tool to systematically study the variability of the gamma-ray sky measured by the Large Area Telescope on board the Fermi Gamma-ray Space Telescope. For each direction on the sky, FAVA compares the number of gamma-rays observed in a given time window to the number of gamma-rays expected for the average emission detected from that direction. This method is used in weekly time intervals to derive a list of 215 flaring gamma-ray sources. We proceed to discuss the 27 sources found at Galactic latitudes smaller than 10° and show that, despite their low latitudes, most of them are likely of extragalactic origin.
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Submitted on : Friday, August 23, 2013 - 10:08:38 AM
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Markus Ackermann, Marco Ajello, M. Albert, A. Allafort, E. Antolini, et al.. THE FERMI ALL-SKY VARIABILITY ANALYSIS: A LIST OF FLARING GAMMA-RAY SOURCES AND THE SEARCH FOR TRANSIENTS IN OUR GALAXY. The Astrophysical Journal, American Astronomical Society, 2013, 771, pp.57. ⟨10.1088/0004-637X/771/1/57⟩. ⟨in2p3-00853636⟩



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