publication . Article . Preprint . 2016

Search for gamma-ray emission from star-forming galaxies with Fermi LAT

Cesar Rojas-Bravo;
Open Access
  • Published: 15 Aug 2016 Journal: Monthly Notices of the Royal Astronomical Society, volume 463, pages 1,068-1,073 (issn: 0035-8711, eissn: 1365-2966, Copyright policy)
  • Publisher: Oxford University Press (OUP)
  • Country: Costa Rica
Recent studies have found a positive correlation between the star-formation rate of galaxies and their gamma-ray luminosity. Galaxies with a high star-formation rate are expected to produce a large amount of high-energy cosmic rays, which emit gamma-rays when interacting with the interstellar medium and radiation fields. We search for gamma-ray emission from a sample of galaxies within and beyond the Local Group with data from the LAT instrument onboard the Fermi satellite. We exclude recently detected galaxies (NGC 253, M82, NGC 4945, NGC 1068, NGC 2146, Arp 220) and use seven years of cumulative Pass 8 data from the LAT in the 100 MeV to 100 GeV range. No new ...
arXiv: Astrophysics::High Energy Astrophysical PhenomenaAstrophysics::Cosmology and Extragalactic AstrophysicsAstrophysics::Galaxy AstrophysicsAstrophysics::Solar and Stellar Astrophysics
free text keywords: Cosmic rays, starburst [Galaxies], galaxies [Gamma-rays], Astrophysics - High Energy Astrophysical Phenomena
Funded by
The Elusives Enterprise: Asymmetries of the Invisible Universe
  • Funder: European Commission (EC)
  • Project Code: 674896
  • Funding stream: H2020 | MSCA-ITN-ETN
EC| InvisiblesPlus
  • Funder: European Commission (EC)
  • Project Code: 690575
  • Funding stream: H2020 | MSCA-RISE
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