Optical spectroscopic observations of gamma-ray blazar candidates VIII: the 2016–2017 follow up campaign carried out at SPM, NOT, KPNO and SOAR telescopes
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DOI: 10.1007/s10509-018-3490-z
Abstract: The third Fermi source catalog lists 3033 γ$\gamma $-ray sources above 4σ$4\sigma $ significance. More than 30% are classified as either unidentified/unassociated Gamma-ray sources (UGSs), with about 20% classified as Blazar candidates of uncertain types… read more here.
Keywords: gamma ray; 2016 2017; follow campaign; optical spectroscopic ... See more keywords