The nearest found maser object is G12.432-1.118 (offset by 1.9" from input coordinates)
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display_aladin("274.2204398","-18.6943920","G12.432-1.118","G12.432-1.118","181356.9-184157, 18139-1842, G012.43-1.12, G012.4314-01.1117, IRAS 18139-1842, S39, S3 9, 18139-1842","0")