The first Fermi lat supernova remnant catalog

Fabio Acero (1) , Markus Ackermann , Marco Ajello , Luca Baldini , Jean Ballet (1) , Guido Barbiellini , D. Bastieri , R. Bellazzini , E. Bissaldi , R. D. Blandford , E. D. Bloom , R. Bonino , E. Bottacini , T. J. Brandt , J. Bregeon (2) , Pascal Bruel (3) , R. Buehler , S. Buson , G. A. Caliandro , R. A. Cameron , R. Caputo , M. Caragiulo , P. A. Caraveo , J. M. Casandjian (1) , E. Cavazzuti , C. Cecchi , A. Chekhtman , J. Chiang , G. Chiaro , S. Ciprini , R. Claus , J. M. Cohen , J. Cohen-Tanugi (2) , L. R. Cominsky , B. Condon (4) , J. Conrad , S. Cutini , F. D’ammando , A. De Angelis , F. De Palma , R. Desiante , S. W. Digel , L. Di Venere , P. S. Drell , A. Drlica-Wagner , C. Favuzzi , E. C. Ferrara , A. Franckowiak , Y. Fukazawa , S. Funk , P. Fusco , F. Gargano , D. Gasparrini , N. Giglietto , P. Giommi , F. Giordano , M. Giroletti , T. Glanzman , G. Godfrey , G. A. Gomez-Vargas , I. A. Grenier (1) , M.-H. Grondin (4) , Lucas Guillemot (5, 6) , S. Guiriec , M. Gustafsson , D. Hadasch , A. K. Harding , M. Hayashida , E. Hays , J. W. Hewitt , A. B. Hill , D. Horan (3) , X. Hou , G. Iafrate , T. Jogler , G. Jóhannesson , A. S. Johnson , T. Kamae , H. Katagiri , J. Kataoka , J. Katsuta , M. Kerr , Jürgen Knödlseder (7) , D. Kocevski , M. Kuss , H. Laffon (4) , J. Lande , S. Larsson , L. Latronico , M. Lemoine-Goumard (4) , J. Li , L. Li , F. Longo , F. Loparco , M. N. Lovellette , P. Lubrano , J. Magill , S. Maldera , M. Marelli , M. Mayer , M. N. Mazziotta , P. F. Michelson , W. Mitthumsiri , T. Mizuno , A. A. Moiseev , M. E. Monzani , E. Moretti , A. Morselli , I. V. Moskalenko , S. Murgia , R. Nemmen , E. Nuss (2) , T. Ohsugi , N. Omodei , M. Orienti , E. Orlando , J. F. Ormes , D. Paneque , J. S. Perkins , M. Pesce-Rollins , V. Petrosian , F. Piron (2) , G. Pivato , T. A. Porter , S. Rainò , R. Rando , M. Razzano , S. Razzaque , A. Reimer , O. Reimer , Matthieu Renaud (2) , T. Reposeur (4) , R. Rousseau , P. M. Saz Parkinson , J. Schmid (1) , A. Schulz , C. Sgrò , E. J. Siskind , F. Spada , G. Spandre , P. Spinelli , A. W. Strong , D. J. Suson , H. Tajima , H. Takahashi , T. Tanaka , J. B. Thayer , D. J. Thompson , L. Tibaldo , O. Tibolla , D. F. Torres , G. Tosti , E. Troja , Y. Uchiyama , G. Vianello , B. Wells , K. S. Wood , M. Wood , M. Yassine (2) , P. R. den Hartog , S. Zimmer

1 AIM (UMR7158 / UMR_E_9005 / UM_112) - Astrophysique Interprétation Modélisation
2 LUPM - Laboratoire Univers et Particules de Montpellier
3 LLR - Laboratoire Leprince-Ringuet
4 CENBG - Centre d'Etudes Nucléaires de Bordeaux Gradignan
5 USN - Unité Scientifique de la Station de Nançay
6 LPC2E - Laboratoire de Physique et Chimie de l'Environnement et de l'Espace
7 IRAP - Institut de recherche en astrophysique et planétologie

To uniformly determine the properties of supernova remnants (SNRs) at high energies, we have developed the first systematic survey at energies from 1 to 100 GeV using data from the Fermi Large Area Telescope (LAT). Based on the spatial overlap of sources detected at GeV energies with SNRs known from radio surveys, we classify 30 sources as likely GeV SNRs. We also report 14 marginal associations and 245 flux upper limits. A mock catalog in which the positions of known remnants are scrambled in Galactic longitude allows us to determine an upper limit of 22% on the number of GeV candidates falsely identified as SNRs. We have also developed a method to estimate spectral and spatial systematic errors arising from the diffuse interstellar emission model, a key component of all Galactic Fermi LAT analyses. By studying remnants uniformly in aggregate, we measure the GeV properties common to these objects and provide a crucial context for the detailed modeling of individual SNRs. Combining our GeV results with multiwavelength (MW) data, including radio, X-ray, and TeV, we demonstrate the need for improvements to previously sufficient, simple models describing the GeV and radio emission from these objects. We model the GeV and MW emission from SNRs in aggregate to constrain their maximal contribution to observed Galactic cosmic rays.

Keywords: Supernova Remnants; gamma-rays; Radio; Cosmic rays

Domains: Sciences of the Universe [physics]

Fabio Acero, Markus Ackermann, Marco Ajello, Luca Baldini, Jean Ballet, et al.. The first Fermi lat supernova remnant catalog. The Astrophysical Journal Supplement, 2016, 224, pp.8. ⟨10.3847/0067-0049/224/1/8⟩. ⟨insu-01362303⟩