SIMBAD references

1999MNRAS.310.1077V - Mon. Not. R. Astron. Soc., 310, 1077-1086 (1999/December-3)

Detection of new sources of methanol emission at 107 and 108GHz with the Mopra telescope.

VAL'TTS I.E., ELLINGSEN S.P., SLYSH V.I., KALENSKII S.V., OTRUPCEK R. and VORONKOV M.A.

Abstract (from CDS):

A southern hemisphere survey of methanol emission sources in two millimetre-wave transitions has been carried out using the ATNF Mopra millimetre telescope. 16 emission sources have been detected in the 31-40A+ transition of methanol at 107GHz, including six new sources exhibiting class II methanol maser emission features. Combining these results with the similar northern hemisphere survey, a total of eleven 107-GHz methanol masers have been detected. A survey of the methanol emission in the 00-1–1 E transition at 108GHz has resulted in the detection of 16 sources; one of them showing maser characteristics. This is the first methanol maser detected at 108GHz, presumably of class II. The results of large velocity gradient statistical equilibrium calculations confirm the classification of these new sources as class II methanol masers.

Abstract Copyright: 1999, Royal Astronomical Society

Journal keyword(s): masers - surveys - ISM: molecules - radio lines: ISM

CDS comments: Table 2: IRAS 17440-2824 misprint for 17440-2825 and IRAS 17480-2623 for 17476-2638

Simbad objects: 101

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