Considerations on the Origin of IRAS 19312+1950 Based on Long-term Maser Observations

IRAS source 19312+1950 (hereafter I19312) is an infrared point source with maser emissions of SiO, H _2 O, and OH molecules. Although initial observations suggested that I19312 might be an evolved star, its characteristics are not fully consistent with this classification. This study aims to further...

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Egile Nagusiak:	Huan-Xue Feng, Jun-ichi Nakashima, D. Engels, S. Etoka, Jaeheon Kim, Yong Zhang, Jia-Yong Xie, Jian-Jie Qiu
Formatua:	Artigo
Hizkuntza:	Inglês
Argitaratua:	IOP Publishing 2025-01-01
Saila:	The Astrophysical Journal
Gaiak:	Circumstellar masers Molecular spectroscopy Radio astronomy Circumstellar envelopes
Sarrera elektronikoa:	https://doi.org/10.3847/1538-4357/adae09
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