SIMBAD references

2019MNRAS.487.2407P - Mon. Not. R. Astron. Soc., 487, 2407-2411 (2019/August-1)

Discovery of periodic methanol masers associated with G323.46-0.08.

PROVEN-ADZRI E., MacLEOD G.C., VAN DEN HEEVER S.P., HOARE M.G., KUDITCHER A. and GOEDHART S.

Abstract (from CDS):

The 6.7 GHz methanol masers associated with G323.46-0.08 have undergone significant change since their discovery in 1992. After 2009 April, new features with a peak flux density of ∼500 Jy in the velocity channel v = -68.35 km s–1, in the velocity range from -71 to -68.5 km s–1 were detected. It is suggestive that it experienced an accretion event similar to that reported in S255-NIRS3 and NGC 6334I. Evidence of periodicity is found in all of the associated methanol masers with a period of ∼93.5 d. It is not possible to determine if this source was periodic before 2017. However, all the 6.7 GHz methanol masers are probably amplifying a common background periodic radio source.

Abstract Copyright: © The Author(s) 2019. Published by Oxford University Press on behalf of The Royal Astronomical Society.

Journal keyword(s): masers - stars: formation - stars: protostars - ISM: individual objects: G323.46-0.08 - ISM: molecules - radio lines: ISM

Simbad objects: 8

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