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2023RNAAS...7....5F - Research Notes of the AAS, 7, 5 (2023/January-0)

No Compact Radio Emission from the Proposed Blazar Candidate Counterpart for the Fermi Source 4FGL J1848.7-0129.

FREY S., PERGER K. and GABANYI K.E.

Abstract (from CDS):

By assessing available radio data, we argue that the recently proposed new counterpart for the Fermi γ-ray source 4FGL J1848.7-0129 is unlikely to be a blazar. The radio source coincident with a Chandra X-ray point source is extended on ∼10″ angular scale, has no detected compact component (3 GHz flux density ≲1 mJy), and its radio spectrum is steep. These properties contradict to what is expected for blazars with relativistically beamed radio jet emission.

Abstract Copyright: © 2023. The Author(s). Published by the American Astronomical Society.

Journal keyword(s): Gamma-ray sources - Blazars - Radio jets

Simbad objects: 3

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