The likely counterpart to γ-ray excess from the northwest region of Arp 220
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DOI: 10.1088/1674-4527/21/7/172
Abstract: The unknown γ-ray excess in the northwest region of Arp 220 was revisited by analyzing ∼11.8 years of the Fermi Large Area Telescope (Fermi-LAT) data in this study. We found that its photon flux was… read more here.
Keywords: arp 220; excess northwest; ray excess; ray ... See more keywords