DETECTION OF GAMMA-RAY EMISSION FROM THE STARBURST GALAXIES M82 AND NGC 253 WITH THE LARGE AREA TELESCOPE ON FERMI

Abdo, A A; Ackermann, M; Ajello, M; Bechtol, K; Berenji, B; Bloom, E D; Borgland, A W; Atwood, W B; Axelsson, M; Baldini, L; Bellazzini, R; Bregeon, J; Brez, A; Ballet, J; Barbiellini, G; Bastieri, D; Bonamente, E; Brigida, M; Bruel, P

doi:10.1088/2041-8205/709/2/L152; COUNTRY OF INPUT: INTERNATIONAL ATOMIC ENERGY AGENCY (IAEA)

Title: DETECTION OF GAMMA-RAY EMISSION FROM THE STARBURST GALAXIES M82 AND NGC 253 WITH THE LARGE AREA TELESCOPE ON FERMI

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Abstract

We report the detection of high-energy {gamma}-ray emission from two starburst galaxies using data obtained with the Large Area Telescope on board the Fermi Gamma-ray Space Telescope. Steady point-like emission above 200 MeV has been detected at significance levels of 6.8{sigma} and 4.8{sigma}, respectively, from sources positionally coincident with locations of the starburst galaxies M82 and NGC 253. The total fluxes of the sources are consistent with {gamma}-ray emission originating from the interaction of cosmic rays with local interstellar gas and radiation fields and constitute evidence for a link between massive star formation and {gamma}-ray emission in star-forming galaxies.

Authors:

Abdo, A A ^[1]; Ackermann, M; Ajello, M; Bechtol, K; Berenji, B; Bloom, E D; Borgland, A W ^[2]; Atwood, W B ^[3]; Axelsson, M ^[4]; Baldini, L; Bellazzini, R; Bregeon, J; Brez, A ^[5]; Ballet, J ^[6]; Barbiellini, G ^[7]; Bastieri, D ^[8]; Bonamente, E ^[9]; Brigida, M ^[10]; Bruel, P ^[11]

Space Science Division, Naval Research Laboratory, Washington, DC 20375 (United States)
W. W. Hansen Experimental Physics Laboratory, Kavli Institute for Particle Astrophysics and Cosmology, Department of Physics and SLAC National Accelerator Laboratory, Stanford University, Stanford, CA 94305 (United States)
Santa Cruz Institute for Particle Physics, Department of Physics and Department of Astronomy and Astrophysics, University of California at Santa Cruz, Santa Cruz, CA 95064 (United States)
Department of Astronomy, Stockholm University, SE-106 91 Stockholm (Sweden)
Istituto Nazionale di Fisica Nucleare, Sezione di Pisa, I-56127 Pisa (Italy)
Laboratoire AIM, CEA-IRFU/CNRS/Universite Paris Diderot, Service d'Astrophysique, CEA Saclay, 91191 Gif sur Yvette (France)
Istituto Nazionale di Fisica Nucleare, Sezione di Trieste, I-34127 Trieste (Italy)
Istituto Nazionale di Fisica Nucleare, Sezione di Padova, I-35131 Padova (Italy)
Istituto Nazionale di Fisica Nucleare, Sezione di Perugia, I-06123 Perugia (Italy)
Dipartimento di Fisica 'M. Merlin' dell'Universita e del Politecnico di Bari, I-70126 Bari (Italy)
Laboratoire Leprince-Ringuet, Ecole polytechnique, CNRS/IN2P3, Palaiseau (France)

Publication Date:: Mon Feb 01 00:00:00 EST 2010

OSTI Identifier:: 21301347

Resource Type:: Journal Article

Journal Name:: Astrophysical Journal Letters

Additional Journal Information:: Journal Volume: 709; Journal Issue: 2; Other Information: DOI: 10.1088/2041-8205/709/2/L152; Country of input: International Atomic Energy Agency (IAEA); Journal ID: ISSN 2041-8205

Country of Publication:: United States

Language:: English

Subject:: 79 ASTROPHYSICS, COSMOLOGY AND ASTRONOMY; 99 GENERAL AND MISCELLANEOUS//MATHEMATICS, COMPUTING, AND INFORMATION SCIENCE; COSMIC RADIATION; EMISSION; GALAXIES; GAMMA RADIATION; STARS; TELESCOPES

Citation Formats


                    Abdo, A A, Ackermann, M, Ajello, M, Bechtol, K, Berenji, B, Bloom, E D, Borgland, A W, Atwood, W B, Axelsson, M, Baldini, L, Bellazzini, R, Bregeon, J, Brez, A, Ballet, J, Barbiellini, G, Bastieri, D, Bonamente, E, Brigida, M, Bruel, P, and Burnett, T. H. DETECTION OF GAMMA-RAY EMISSION FROM THE STARBURST GALAXIES M82 AND NGC 253 WITH THE LARGE AREA TELESCOPE ON FERMI.  United States: N. p., 2010. 
        Web.  doi:10.1088/2041-8205/709/2/L152; COUNTRY OF INPUT: INTERNATIONAL ATOMIC ENERGY AGENCY (IAEA).

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                    Abdo, A A, Ackermann, M, Ajello, M, Bechtol, K, Berenji, B, Bloom, E D, Borgland, A W, Atwood, W B, Axelsson, M, Baldini, L, Bellazzini, R, Bregeon, J, Brez, A, Ballet, J, Barbiellini, G, Bastieri, D, Bonamente, E, Brigida, M, Bruel, P, & Burnett, T. H. DETECTION OF GAMMA-RAY EMISSION FROM THE STARBURST GALAXIES M82 AND NGC 253 WITH THE LARGE AREA TELESCOPE ON FERMI.  United States.  https://doi.org/10.1088/2041-8205/709/2/L152; COUNTRY OF INPUT: INTERNATIONAL ATOMIC ENERGY AGENCY (IAEA)

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                    Abdo, A A, Ackermann, M, Ajello, M, Bechtol, K, Berenji, B, Bloom, E D, Borgland, A W, Atwood, W B, Axelsson, M, Baldini, L, Bellazzini, R, Bregeon, J, Brez, A, Ballet, J, Barbiellini, G, Bastieri, D, Bonamente, E, Brigida, M, Bruel, P, and Burnett, T. H. 2010.  
        "DETECTION OF GAMMA-RAY EMISSION FROM THE STARBURST GALAXIES M82 AND NGC 253 WITH THE LARGE AREA TELESCOPE ON FERMI".  United States.  https://doi.org/10.1088/2041-8205/709/2/L152; COUNTRY OF INPUT: INTERNATIONAL ATOMIC ENERGY AGENCY (IAEA).

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@article{osti_21301347,

  title        = {DETECTION OF GAMMA-RAY EMISSION FROM THE STARBURST GALAXIES M82 AND NGC 253 WITH THE LARGE AREA TELESCOPE ON FERMI},

  author       = {Abdo, A A and Ackermann, M and Ajello, M and Bechtol, K and Berenji, B and Bloom, E D and Borgland, A W and Atwood, W B and Axelsson, M and Baldini, L and Bellazzini, R and Bregeon, J and Brez, A and Ballet, J and Barbiellini, G and Bastieri, D and Bonamente, E and Brigida, M and Bruel, P and Burnett, T. H.},

  abstractNote = {We report the detection of high-energy {gamma}-ray emission from two starburst galaxies using data obtained with the Large Area Telescope on board the Fermi Gamma-ray Space Telescope. Steady point-like emission above 200 MeV has been detected at significance levels of 6.8{sigma} and 4.8{sigma}, respectively, from sources positionally coincident with locations of the starburst galaxies M82 and NGC 253. The total fluxes of the sources are consistent with {gamma}-ray emission originating from the interaction of cosmic rays with local interstellar gas and radiation fields and constitute evidence for a link between massive star formation and {gamma}-ray emission in star-forming galaxies.},

  doi          = {10.1088/2041-8205/709/2/L152; COUNTRY OF INPUT: INTERNATIONAL ATOMIC ENERGY AGENCY (IAEA)},

  url          = {https://www.osti.gov/biblio/21301347},
  journal      = {Astrophysical Journal Letters},

  issn         = {2041-8205},

  number       = 2,

  volume       = 709,

  place        = {United States},

  year         = {Mon Feb 01 00:00:00 EST 2010},

  month        = {Mon Feb 01 00:00:00 EST 2010}

}

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https://doi.org/10.1088/2041-8205/709/2/L152; COUNTRY OF INPUT: INTERNATIONAL ATOMIC ENERGY AGENCY (IAEA)

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