The nearest found maser object is G346.522+0.085 (offset by 0.8" from input coordinates)
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display_aladin("257.1762500","-40.0855830","G346.522+0.085","G346.522+0.085","17052-4001, 346.52+0.08, 346.522+0.085, 346.522+0.085, 346.522+0.085, G346.522+0.085, G346.5235+00.0839","0")