GeV OBSERVATIONS OF STAR-FORMING GALAXIES WITH THE FERMI LARGE AREA TELESCOPE

Markus Ackermann; Marco Ajello; A. Allafort; Luca Baldini; Jean Ballet; D. Bastieri; K. Bechtol; R. Bellazzini; B. Berenji; E. D. Bloom; E. Bonamente; A. W. Borgland; A. Bouvier; J. Bregeon; M. Brigida; Pascal Bruel; R. Buehler; S. Buson; G. A. Caliandro; R. A. Cameron; P. A. Caraveo; J. M. Casandjian; C. Cecchi; E. Charles; A. Chekhtman; C. C. Cheung; J. Chiang; A. N. Cillis; S. Ciprini; R. Claus; J. Cohen-Tanugi; J. Conrad; S. Cutini; F. de Palma; C. D. Dermer; S. W. Digel; E. Do Couto E Silva; P. S. Drell; A. Drlica-Wagner; C. Favuzzi; S. J. Fegan; P. Fortin; Y. Fukazawa; S. Funk; P. Fusco; F. Gargano; D. Gasparrini; S. Germani; N. Giglietto; F. Giordano; T. Glanzman; G. Godfrey; I. A. Grenier; S. Guiriec; M. Gustafsson; D. Hadasch; M. Hayashida; E. Hays; R. E. Hughes; G. J 'Ohannesson; A. S. Johnson; T. Kamae; H. Katagiri; J. Kataoka; Jürgen Knödlseder; M. Kuss; J. Lande; F. Longo; F. Loparco; B. Lott; M. N. Lovellette; P. Lubrano; G. M. Madejski; P. Martin; M. N. Mazziotta; J. E. Mcenery; P. F. Michelson; T. Mizuno; C. Monte; M. E. Monzani; A. Morselli; I. V. Moskalenko; S. Murgia; S. Nishino; J. P. Norris; E. Nuss; M. Ohno; T. Ohsugi; A. Okumura; N. Omodei; E. Orlando; M. Ozaki; D. Parent; M. Persic; M. Pesce-Rollins; V. Petrosian; M. Pierbattista; F. Piron; G. Pivato; T.A. Porter; S. Rain'O; R. Rando; M. Razzano; A. Reimer; O. Reimer; S. Ritz; M. Roth; C. Sbarra; C. Sgr'O; E. J. Siskind; G. Spandre; P. Spinelli; Łukasz Stawarz; A. W. Strong; H. Takahashi; T. Tanaka; J. B. Thayer; L. Tibaldo; M. Tinivella; D. F. Torres; G. Tosti; E. Troja; Y. Uchiyama; J. Vandenbroucke; G. Vianello; V. Vitale; A. P. Waite; M. Wood; Z. Yang

doi:10.1088/0004-637X/755/2/164

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GeV OBSERVATIONS OF STAR-FORMING GALAXIES WITH THE FERMI LARGE AREA TELESCOPE

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GeV OBSERVATIONS OF STAR-FORMING GALAXIES WITH THE FERMI LARGE AREA TELESCOPE

Markus Ackermann, Marco Ajello, A. Allafort, Luca Baldini, Jean Ballet, D. Bastieri, K. Bechtol, R. Bellazzini, B. Berenji, E. D. Bloom, …

The Astrophysical Journal, Vol.755

2012

DOI: https://doi.org/10.1088/0004-637X/755/2/164

Abstract

cosmic rays

galaxies: starburst

gamma rays: diffuse background

gamma rays: galaxies Online-only material: color figures

Recent detections of the starburst galaxies M82 and NGC 253 by gamma-ray telescopes suggest that galaxies rapidly forming massive stars are more luminous at gamma-ray energies compared to their quiescent relatives. Building upon those results, we examine a sample of 69 dwarf, spiral, and luminous and ultraluminous infrared galaxies at photon energies 0.1-100 GeV using 3 years of data collected by the Large Area Telescope (LAT) on the Fermi Gamma-ray Space Telescope (Fermi). Measured fluxes from significantly detected sources and flux upper limits for the remaining galaxies are used to explore the physics of cosmic rays in galaxies.We find further evidence for quasi-linear scaling relations between gamma-ray luminosity and both radio continuum luminosity and total infrared luminosity which apply both to quiescent galaxies of the Local Group and low-redshift starburst galaxies (conservative P-values 0.05 accounting for statistical and systematic uncertainties). The normalizations of these scaling relations correspond to luminosity ratios of log(L0.1-100 GeV/L1.4 GHz) = 1.7 ± 0.1(statistical) ± 0.2(dispersion) and log(L0.1-100 GeV/L8-1000μm) = −4.3 ± 0.1(statistical) ± 0.2(dispersion) for a galaxy with a star formation rate of 1M yr−1, assuming a Chabrier initial mass function. Using the relationship between infrared luminosity and gamma-ray luminosity, the collective intensity of unresolved star-forming galaxies at redshifts 0 < z < 2.5 above 0.1 GeV is estimated to be 0.4-2.4 ×10−6 ph cm−2 s−1 sr−1 (4%-23% of the intensity of the isotropic diffuse component measured with the LAT).We anticipate that∼10 galaxies could be detected by their cosmic-ray-induced gamma-ray emission during a 10 year Fermi mission.

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Title: GeV OBSERVATIONS OF STAR-FORMING GALAXIES WITH THE FERMI LARGE AREA TELESCOPE
Creators - without role: Markus Ackermann - Deutsches Elektronen-Synchrotron DESY
Marco Ajello - Stanford University
A. Allafort - Kavli Institute for Particle Astrophysics and Cosmology
Luca Baldini - Istituto Nazionale di Fisica Nucleare, Sezione di Pisa
Jean Ballet - Astrophysique, Instrumentation et Modélisation
D. Bastieri - University of Padua
K. Bechtol - Kavli Institute for Particle Astrophysics and Cosmology
R. Bellazzini - Istituto Nazionale di Fisica Nucleare, Sezione di Pisa
B. Berenji - Stanford University
E. D. Bloom
E. Bonamente - University of Perugia
A. W. Borgland
A. Bouvier - University of California, Santa Cruz
J. Bregeon - Istituto Nazionale di Fisica Nucleare, Sezione di Pisa
M. Brigida - Polytechnic University of Bari
Pascal Bruel - École Polytechnique
R. Buehler - Kavli Institute for Particle Astrophysics and Cosmology
S. Buson - Istituto Nazionale di Fisica Nucleare, Sezione di Padova
G. A. Caliandro
R. A. Cameron
P. A. Caraveo - Istituto di Astrofisica Spaziale e Fisica Cosmica di Milano
J. M. Casandjian - Astrophysique Interprétation Modélisation
C. Cecchi - University of Perugia
E. Charles - Kavli Institute for Particle Astrophysics and Cosmology
A. Chekhtman - George Mason University
C. C. Cheung
J. Chiang - Kavli Institute for Particle Astrophysics and Cosmology
A. N. Cillis
S. Ciprini - University of Perugia
R. Claus - Kavli Institute for Particle Astrophysics and Cosmology
J. Cohen-Tanugi - Université de Montpellier, Laboratoire Univers et Particules de Montpellier - LUPM
J. Conrad - Stockholm University
S. Cutini - Agenzia Spaziale Italiana
F. de Palma - Istituto Nazionale di Fisica Nucleare, Sezione di Bari
C. D. Dermer
S. W. Digel
E. Do Couto E Silva
P. S. Drell
A. Drlica-Wagner - Kavli Institute for Particle Astrophysics and Cosmology
C. Favuzzi - Polytechnic University of Bari
S. J. Fegan - Laboratoire Leprince-Ringuet
P. Fortin - Centre National de la Recherche Scientifique
Y. Fukazawa - Hiroshima University
S. Funk - Stanford University
P. Fusco - Polytechnic University of Bari
F. Gargano - Istituto Nazionale di Fisica Nucleare, Sezione di Bari
D. Gasparrini - Agenzia Spaziale Italiana
S. Germani - University of Perugia
N. Giglietto - Polytechnic University of Bari
F. Giordano - Polytechnic University of Bari
T. Glanzman - Stanford University
G. Godfrey - Kavli Institute for Particle Astrophysics and Cosmology
I. A. Grenier - Astrophysique Interprétation Modélisation
S. Guiriec - University of Alabama in Huntsville
M. Gustafsson - Istituto Nazionale di Fisica Nucleare, Sezione di Padova
D. Hadasch - Institute of Space Sciences
M. Hayashida - Kyoto University
E. Hays - Goddard Space Flight Center
R. E. Hughes
G. J 'Ohannesson
A. S. Johnson
T. Kamae - SLAC National Accelerator Laboratory
H. Katagiri - Ibaraki University
J. Kataoka - Waseda University
Jürgen Knödlseder - Centre National de la Recherche Scientifique
M. Kuss - Istituto Nazionale di Fisica Nucleare, Sezione di Pisa
J. Lande - Kavli Institute for Particle Astrophysics and Cosmology
F. Longo - University of Trieste
F. Loparco - Polytechnic University of Bari
B. Lott - Laboratoire de Physique des deux infinis Bordeaux
M. N. Lovellette
P. Lubrano - University of Perugia
G. M. Madejski
P. Martin - Max Planck Institute for Extraterrestrial Physics
M. N. Mazziotta
J. E. Mcenery
P. F. Michelson
T. Mizuno - Hiroshima University
C. Monte - Polytechnic University of Bari
M. E. Monzani
A. Morselli - Istituto Nazionale di Fisica Nucleare, Roma Tor Vergata
I. V. Moskalenko
S. Murgia - SLAC National Accelerator Laboratory
S. Nishino - Hiroshima University
J. P. Norris
E. Nuss - Université de Montpellier, Laboratoire Univers et Particules de Montpellier - LUPM
M. Ohno - Institute of Space and Astronautical Science
T. Ohsugi - Hiroshima University
A. Okumura - Stanford University
N. Omodei - Kavli Institute for Particle Astrophysics and Cosmology
E. Orlando - Kavli Institute for Particle Astrophysics and Cosmology
M. Ozaki - Institute of Space and Astronautical Science
D. Parent - George Mason University
M. Persic - Trieste Astronomical Observatory
M. Pesce-Rollins - Istituto Nazionale di Fisica Nucleare, Sezione di Pisa
V. Petrosian - Stanford University
M. Pierbattista - Astrophysique, Instrumentation et Modélisation
F. Piron - Université de Montpellier, Laboratoire Univers et Particules de Montpellier - LUPM
G. Pivato - University of Padua
T.A. Porter - Kavli Institute for Particle Astrophysics and Cosmology
S. Rain'O
R. Rando - Istituto Nazionale di Fisica Nucleare, Sezione di Padova
M. Razzano - University of California, Santa Cruz
A. Reimer - Kavli Institute for Particle Astrophysics and Cosmology
O. Reimer - Kavli Institute for Particle Astrophysics and Cosmology
S. Ritz - University of California, Santa Cruz
M. Roth - University of Washington
C. Sbarra - Istituto Nazionale di Fisica Nucleare, Sezione di Padova
C. Sgr'O
E. J. Siskind
G. Spandre - Istituto Nazionale di Fisica Nucleare, Sezione di Pisa
P. Spinelli - Polytechnic University of Bari
Łukasz Stawarz - Jagiellonian University
A. W. Strong
H. Takahashi - Hiroshima University
T. Tanaka - Stanford University
J. B. Thayer
L. Tibaldo - University of Padua
M. Tinivella - Istituto Nazionale di Fisica Nucleare, Sezione di Pisa
D. F. Torres
G. Tosti - University of Perugia
E. Troja - Goddard Space Flight Center
Y. Uchiyama - Stanford University
J. Vandenbroucke - Kavli Institute for Particle Astrophysics and Cosmology
G. Vianello - Kavli Institute for Particle Astrophysics and Cosmology
V. Vitale - Istituto Nazionale di Fisica Nucleare, Roma Tor Vergata
A. P. Waite
M. Wood - Kavli Institute for Particle Astrophysics and Cosmology
Z. Yang - Fraunhofer Chalmers Research Centre for Industrial Mathematics
Publication Details: The Astrophysical Journal, Vol.755
Identifiers: 9940508409311
Academic Unit: Laboratoire Univers et Particules de Montpellier - LUPM
Language: English
Resource Type: Journal article
Local Fields: in2p3-00747346