The nearest found maser object is G346.517+0.117 (offset by 13.2" from input coordinates)
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display_aladin("257.1434055","-40.0703425","G346.517+0.117","G346.517+0.117","346.517+0.117, 346.52+0.12, 346.517+0.117, G346.517+0.118, G346.52+0.11, G346.528+0.107, G346.529+0.106","0")