Fig. 5.
DSS image of 3FGL J0221.2+2518 field and the position of UGSC and other candidates for the field as discussed in Sect. 6. RS and RG are the two candidates proposed by Schinzel et al. (2017) and stand for radio source and radio galaxy, respectively. The ellipses represent 1σ, 2σ, and 3σ uncertainties of the γ-ray source position.
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