Combined radio Multi-Survey Cat. (MSC) of 4FGL
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Approximately one-third of existing {gamma}-ray sources identified by the Fermi Gamma-Ray Space Telescope are considered to be unassociated, with no known counterpart at other...
费米伽马射线空间望远镜（Fermi Gamma-Ray Space Telescope）已证认的现有γ射线源（gamma-ray sources）中，约有三分之一被视为未关联源（unassociated），尚未在其他波段发现已知对应天体……
