SIMBAD references

2022MNRAS.509.1681M - Mon. Not. R. Astron. Soc., 509, 1681-1689 (2022/January-2)

Molecular line search towards the flaring 6.7-GHz methanol masers of G 24.33+0.13 and G 359.62-0.24: rare maser transitions detected.

McCARTHY T.P., OROSZ G., ELLINGSEN S.P., BREEN S.L., VORONKOV M.A., BURNS R.A., OLECH M., YONEKURA Y., HIROTA T., HYLAND L.J. and WOLAK P.

Abstract (from CDS):

We have performed a molecular line search towards the flaring 6.7-GHz masers G 24.33+0.13, and G 359.6-0.24 using the Australia Telescope Compact Array. We present spectra of the 6.7-GHz class II methanol and 22.2-GHz water masers towards these sources and provide a comparison with other recent flaring events these sources have experienced. We also detect the fourth example of a 23.4-GHz class I methanol maser and the 11th example of a 4.8-GHz formaldehyde maser towards G 24.33+0.13. Alongside these results, we also observe the previously detected ammonia (3,3) emission and report upper limits on the presence of various other cm-wavelength methanol, ammonia, and OH transitions. Our results are consistent with the flaring of G 24.33+0.13 being driven by a variable accretion rate in the host high mass young stellar object.

Abstract Copyright: © 2021 The Author(s) Published by Oxford University Press on behalf of Royal Astronomical Society

Journal keyword(s): masers - radio lines: stars

Simbad objects: 16

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