Journal articles

FERMI-LAT observations of the ligo event GW150914

Markus Ackermann Marco Ajello ¹ A. Albert ² B. Anderson ³ M. Arimoto William B. Atwood ⁴ Magnus Axelsson Luca Baldini Jean Ballet ⁵ Guido Barbiellini Matthew G. Baring D. Bastieri J. Becerra Gonzalez R. Bellazzini E. Bissaldi R. D. Blandford E. D. Bloom R. Bonino E. Bottacini T. J. Brandt J. Bregeon ⁶ R. J. Britto ⁷ P. Bruel ⁸ R. Buehler T. H. Burnett S. Buson G. A. Caliandro R. A. Cameron R. Caputo M. Caragiulo P. A. Caraveo J. M. Casandjian ⁹ E. Cavazzuti E. Charles A. Chekhtman J. Chiang G. Chiaro S. Ciprini J. Cohen-Tanugi ⁶ L. R. Cominsky B. Condon ¹⁰ F. Costanza A. Cuoco S. Cutini F. D’ammando D. Dumora ¹⁰ F. De Palma R. Desiante S. W. Digel ¹¹ N. Di Lalla ¹² M. Di Mauro ¹³ L. Di Venere A. Domínguez P. S. Drell R. Dubois ¹⁴ C. Favuzzi S. J. Fegan ⁸ E. C. Ferrara ¹⁵ A. Franckowiak Y. Fukazawa S. Funk ¹⁶ P. Fusco ¹⁷ F. Gargano D. Gasparrini N. Gehrels N. Giglietto M. Giomi P. Giommi F. Giordano M. Giroletti ¹⁸ T. Glanzman G. Godfrey G. A. Gomez-Vargas J. Granot D. Green I. A. Grenier ¹⁹ M.-H. Grondin ¹⁰ J. E. Grove Lucas Guillemot ^{20, 21} S. Guiriec D. Hadasch A. K. Harding ²² E. Hays J. W. Hewitt A. B. Hill D. Horan ⁸ T. Jogler G. Jóhannesson T. Kamae S. Kensei D. Kocevski M. Kuss ²³ G. La Mura ²⁴ S. Larsson ²⁵ L. Latronico M. Lemoine-Goumard ¹⁰ J. Li ²⁶ L. Li ²⁷ F. Longo F. Loparco M. N. Lovellette P. Lubrano G. M. Madejski J. Magill S. Maldera A. Manfreda M. Marelli M. Mayer M. N. Mazziotta J. E. Mcenery M. Meyer P. F. Michelson ²⁸ N. Mirabal T. Mizuno A. A. Moiseev M. E. Monzani E. Moretti A. Morselli I. V. Moskalenko S. Murgia M. Negro ²⁹ E. Nuss ⁶ T. Ohsugi N. Omodei M. Orienti E. Orlando J. F. Ormes D. Paneque J. S. Perkins ³⁰ M. Pesce-Rollins F. Piron ⁶ G. Pivato T. A. Porter ³¹ J. L. Racusin S. Rainò R. Rando S. Razzaque A. Reimer O. Reimer T. Reposeur ¹⁰ S. Ritz ^{32, 33} L. S. Rochester R. W. Romani P. M. Saz Parkinson ⁴ C. Sgrò ³⁴ D. Simone ³⁵ E. J. Siskind D. A. Smith ¹⁰ F. Spada G. Spandre P. Spinelli ³⁶ D. J. Suson H. Tajima ³⁷ J. G. Thayer J. B. Thayer D. J. Thompson ³⁸ L. Tibaldo D. F. Torres E. Troja Y. Uchiyama ³⁹ T. M. Venters G. Vianello K. S. Wood ⁴⁰ M. Wood G. Zaharijas S. Zhu ⁴¹ S. Zimmer ⁴²

1 Stanford University

2 GRPHE - Groupe de Recherche en Physique des Hautes Energies

3 LANL - Los Alamos National Laboratory

4 SCIPP - Santa Cruz Institute for Particle Physics

5 GREThA - Groupe de Recherche en Economie Théorique et Appliquée

6 LUPM - Laboratoire Univers et Particules de Montpellier

7 IPHT - Institut de Physique Théorique - UMR CNRS 3681

8 LLR - Laboratoire Leprince-Ringuet

9 AIM (UMR_7158 / UMR_E_9005 / UM_112) - Astrophysique Interprétation Modélisation

10 CENBG - Centre d'Etudes Nucléaires de Bordeaux Gradignan

11 SLAC - SLAC National Accelerator Laboratory

12 UGC-DAE Consortium for Scientific Research

13 Department of Molecular Medicine

14 IHU-LIRYC

15 GSFC - NASA Goddard Space Flight Center

16 LSHTM - London School of Hygiene and Tropical Medicine

17 INFN, sezione di Bari - Istituto Nazionale di Fisica Nucleare, sezione di Bari

18 INAF - Istituto Nazionale di Astrofisica

19 ENSA Nantes - École nationale supérieure d'architecture de Nantes

20 USN - Unité Scientifique de la Station de Nançay

21 LPC2E - Laboratoire de Physique et Chimie de l'Environnement et de l'Espace

22 GSFC Astrophysics Science Division

23 Istituto Nazionale di Fisica Nucleare, Sezione di Pisa

24 DIEE

25 GU - University of Gothenburg

26 CAU - China Agricultural University

27 LMD - Laboratoire de Météorologie Dynamique (UMR 8539)

28 HEPL - Hansen Experimental Physics Lab [Stanford]

29 Institut Pasteur de Montevideo

30 University of Botswana

31 Department of Animal and Avian Sciences

32 Medical Sciences Division

33 Centre de Recherche Interdisciplinaire sur la Biologie, la Santé la Société, et l’Environnement

34 CHU Dijon - Centre Hospitalier Universitaire de Dijon - Hôpital François Mitterrand

35 LERMA - Laboratoire d'Etude du Rayonnement et de la Matière en Astrophysique

36 ENSA-V - École nationale supérieure d'architecture de Versailles

37 Department of Plant Sciences [Davis, CA]

38 Sea Mammal Research Unit

39 Department of Physics [Tokyo]

40 NRL - Naval Research Laboratory

41 Zhejiang University

42 LCFC - Laboratoire de Conception Fabrication Commande

Abstract : The Fermi Large Area Telescope (LAT) has an instantaneous field of view (FoV) covering $\sim 1/5$ of the sky and it completes a survey of the entire sky in high-energy gamma-rays every 3 hr. It enables searches for transient phenomena over timescales from milliseconds to years. Among these phenomena could be electromagnetic counterparts to gravitational wave (GW) sources. In this paper, we present a detailed study of the LAT observations relevant to Laser Interferometer Gravitational-wave Observatory (LIGO) event GW150914, which is the first direct detection of gravitational waves and has been interpreted as being due to the coalescence of two stellar-mass black holes. The localization region for GW150914 was outside the LAT FoV at the time of the GW signal. However, as part of routine survey observations, the LAT observed the entire LIGO localization region within ~70 minutes of the trigger and thus enabled a comprehensive search for a γ-ray counterpart to GW150914. The study of the LAT data presented here did not find any potential counterparts to GW150914, but it did provide limits on the presence of a transient counterpart above 100 MeV on timescales of hours to days over the entire GW150914 localization region.

Keywords : ravitational waves methods: observational gamma rays: general

Document type :

Journal articles

Domain :

Physics [physics] / Astrophysics [astro-ph] / High Energy Astrophysical Phenomena [astro-ph.HE]

Sciences of the Universe [physics]

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