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Searching the Gamma-ray Sky for Counterparts to Gravitational Wave Sources: Fermi GBM and LAT Observations of LVT151012 and GW151226

J J Racusin 1, 2 E B Burns 3 A. A Goldstein 4 V. Connaughton 4 C.A. Wilson-Hodge 5 P. Jenke 3 L. Blackburn 6 M S Briggs 7 J B Broida 8 J J Camp 9 N. Christensen 10 C M Hui 5 L L Littenberg 4 P S Shawhan 11 L. Singer 2 J J Veitch 12 P B Bhat 3 W. Cleveland 3 G F Fitzpatrick 13 M H Gibby 14 A von Kienlin 15 S Mcbreen 16 B. Mailyan 3 C.A. Meegan 3 W.S. Paciesas 4 R.D. Preece 3 O.J. Roberts 17 M S Stanbro 7 P Veres 7 B.-B B Zhang 3 M. Ackermann 17 A. Albert 18 William B. Atwood 19 Magnus Axelsson 20 L. Baldini 21 Jean Ballet 22 Guido Barbiellini 23 Matthew G. Baring 24 D. Bastieri 25 R. Bellazzini 26 E. Bissaldi 21 R.D. Blandford 27 E.D. Bloom 28 R. Bonino 29 J. Bregeon 30 Pascal Bruel S. Buson 2 G.A. Caliandro 27 R. A. Cameron 27 R. Caputo 19 M. Caragiulo 31 P. A. Caraveo 32 E. Cavazzuti 33 E. Charles 27 J. Chiang 27 S. Ciprini 33 F. Costanza 21 A. Cuoco 34 S. Cutini 33 F. d'Ammando 35 F. de Palma 21 R. Desiante 29 S. W. Digel 27 N. Di Lalla 36 M. Di Mauro 28 L. Di Venere 31 P S. Drell 27 C. Favuzzi 31 E.C. Ferrara 37 W.B. Focke 27 Y. Fukazawa 38 S Funk 39 P. Fusco 40 F. Gargano 21 D. Gasparrini 33 N. Giglietto 26 G. Gill 41 M. Giroletti 42 T. Glanzmann 28 J. Granot 43 D. Green 2 J.E Grove 44 Lucas Guillemot 37 S. Guiriec 2 A.K. Harding 2 T. Jogler 45 G. Jóhannesson 46 T. Kamae 47 S. Kensei 38 D. Kocevski 2 M. Kuss 40 S. Larsson 20 L. Latronico 29 J. Li 48 F. Longo 26 F. Loparco P. Lubrano 49 J. D. Magill 11 S. Maldera 29 D. Malyshev 50 J. E. Mcenery 2 P.F. Michelson 27 T. Mizuno 51 A. Morselli 52 I. V. Moskalenko 28 M. Negro 29 E. Nuss 30 N. Omodei 28 M. Orienti 53 E. Orlando 27 J. F. Ormes 54 D. Paneque 55 S. Perkins 2 M. Pesce-Rollins 31 Frédéric Piron 30 G. Pivato 21 T.A. Porter 27 G. Principe 50 S. Rainò 26 R. Rando 25 M. Razzano 56 S. Razzaque 57 A. Reimer 58 O. Reimer 58 P.M. Saz Parkinson 19 J.D. Scargle 59 C S Sgrò 21 D S Simone 60 E. J. Siskind 61 D.A. Smith 62 F S Spada 21 P S Spinelli 40 D.J. Suson 63 H H Tajima 64 J.B Thayer 28 D.F Torres 48 E Troja 2 Y Uchiyama 65 G Vianello 44 K.S. S Wood 44 M. Wood 22 
57 PPM Group [University of Johannesburg]
Department of Geology [University of Johannesburg]
Abstract : We present the Fermi Gamma-ray Burst Monitor (GBM) and Large Area Telescope (LAT) observations of the LIGO binary black hole merger event GW151226 and candidate LVT151012. At the time of the LIGO triggers on LVT151012 and GW151226, GBM was observing 68% and 83% of the localization regions, and LAT was observing 47% and 32%, respectively. No candidate electromagnetic counterparts were detected by either the GBM or LAT. We present a detailed analysis of the GBM and LAT data over a range of timescales from seconds to years, using automated pipelines and new techniques for characterizing the flux upper bounds across large areas of the sky. Due to the partial GBM and LAT coverage of the large LIGO localization regions at the trigger times for both events, differences in source distances and masses, as well as the uncertain degree to which emission from these sources could be beamed, these non-detections cannot be used to constrain the variety of theoretical models recently applied to explain the candidate GBM counterpart to GW150914.
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Submitted on : Monday, April 24, 2017 - 10:01:28 AM
Last modification on : Friday, August 5, 2022 - 10:59:46 AM
Long-term archiving on: : Tuesday, July 25, 2017 - 12:12:01 PM

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J J Racusin, E B Burns, A. A Goldstein, V. Connaughton, C.A. Wilson-Hodge, et al.. Searching the Gamma-ray Sky for Counterparts to Gravitational Wave Sources: Fermi GBM and LAT Observations of LVT151012 and GW151226. The Astrophysical Journal, American Astronomical Society, 2017, 835 (1), pp.82. ⟨10.3847/1538-4357/835/1/82⟩. ⟨insu-01492674⟩

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