ACKERMANN, M.; AJELLO, M.; ATWOOD, William B.; BALDINI, L.; BALLET, J.; BARBIELLINI, Guido; BASTIERI, D.; GONZALEZ, J. Becerra; BELLAZZINI, R.; BISSALDI, E.; BLANDFORD, R. D.; BLOOM, E. D.; BONINO, R.; BOTTACINI, E.; BRANDT, T. J.; BREGEON, J.; BRUEL, Pascal; BUEHLER, R.; BUSON, S.; CALIANDRO, G. A.; CAMERON, R. A.; CAPUTO, R.; CARAGIULO, M.; CARAVEO, P. A.; CAVAZZUTI, E.; CECCHI, C.; CHARLES, E.; CHEKHTMAN, A.; CHEUNG, C. C.; CHIANG, J.; CHIARO, G.; CIPRINI, S.; COHEN, J. M.; COHEN-TANUGI, J.; COMINSKY, L. R.; CONRAD, J.; CUOCO, A.; CUTINI, S.; D’AMMANDO, F.; ANGELIS, A. De; PALMA, F. De; DESIANTE, R.; MAURO, M. Di; VENERE, L. Di; DOMÍNGUEZ, A.; DRELL, P. S.; FAVUZZI, C.; FEGAN, S. J.; FERRARA, E. C.; FOCKE, W. B.; FORTIN, P.; FRANCKOWIAK, A.; FUKAZAWA, Y.; FUNK, S.; FURNISS, A. K.; FUSCO, P.; GARGANO, F.; GASPARRINI, D.; GIGLIETTO, N.; GIOMMI, P.; GIORDANO, F.; GIROLETTI, M.; GLANZMAN, T.; GODFREY, G.; GRENIER, I. A.; GRONDIN, M.-H.; GUILLEMOT, Lucas; GUIRIEC, S.; HARDING, A. K.; HAYS, E.; HEWITT, J. W.; HILL, A. B.; HORAN, D.; IAFRATE, G.; HARTMANN, Dieter; JOGLER, T.; JÓHANNESSON, G.; JOHNSON, A. S.; KAMAE, T.; KATAOKA, J.; KNÖDLSEDER, Jürgen; KUSS, M.; MURA, G. La; LARSSON, S.; LATRONICO, L.; LEMOINE-GOUMARD, M.; LI, J.; LI, L.; LONGO, F.; LOPARCO, F.; LOTT, B.; LOVELLETTE, M. N.; LUBRANO, P.; MADEJSKI, G. M.; MALDERA, S.; MANFREDA, A.; MAYER, M.; MAZZIOTTA, M. N.; MICHELSON, P. F.; MIRABAL, N.; MITTHUMSIRI, W.; MIZUNO, T.; MOISEEV, A. A.; MONZANI, M. E.; MORSELLI, A.; MOSKALENKO, I. V.; MURGIA, S.; NUSS, E.; OHSUGI, T.; OMODEI, N.; ORIENTI, M.; ORLANDO, E.; ORMES, J. F.; PANEQUE, D.; PERKINS, J. S.; PESCE-ROLLINS, M.; PETROSIAN, V.; PIRON, F.; PIVATO, G.; PORTER, T. A.; RAINÒ, S.; RANDO, R.; RAZZANO, M.; RAZZAQUE, S.; REIMER, A.; REIMER, O.; REPOSEUR, T.; ROMANI, R. W.; SÁNCHEZ-CONDE, M.; PARKINSON, P. M. Saz; SCHMID, J.; SCHULZ, A.; SGRÒ, C.; SISKIND, E. J.; SPADA, F.; SPANDRE, G.; SPINELLI, P.; SUSON, D. J.; TAJIMA, H.; TAKAHASHI, H.; TAKAHASHI, M.; TAKAHASHI, T.; THAYER, J. B.; THOMPSON, D. J.; TIBALDO, L.; TORRES, D. F.; TOSTI, G.; TROJA, E.; VIANELLO, G.; WOOD, K. S.; WOOD, M.; YASSINE, M.; ZAHARIJAS, G.; ZIMMER, S.

doi:10.3847/0067-0049/222/1/5

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ACKERMANN, M.

AJELLO, M.
Stanford University

ATWOOD, William B.
Santa Cruz Institute for Particle Physics [SCIPP]

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The Astrophysical Journal Supplement. 2016, vol. 222, n° 1

American Astronomical Society

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We present a catalog of sources detected above 50 GeV by the Fermi-Large Area Telescope (LAT) in 80 months of data. The newly delivered Pass 8 event-level analysis allows the detection and characterization of sources in the 50 GeV–2 TeV energy range. In this energy band, Fermi-LAT has detected 360 sources, which constitute the second catalog of hard Fermi-LAT sources (2FHL). The improved angular resolution enables the precise localization of point sources (~1farcm7 radius at 68% C. L.) and the detection and characterization of spatially extended sources. We find that 86% of the sources can be associated with counterparts at other wavelengths, of which the majority (75%) are active galactic nuclei and the rest (11%) are Galactic sources. Only 25% of the 2FHL sources have been previously detected by Cherenkov telescopes, implying that the 2FHL provides a reservoir of candidates to be followed up at very high energies. This work closes the energy gap between the observations performed at GeV energies by Fermi-LAT on orbit and the observations performed at higher energies by Cherenkov telescopes from the ground.< Réduire

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catalogs

gamma rays: general

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2FHL: The Second Catalog of Hard Fermi -LAT Sources

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