Confirmation of the exclusive association between 6.7-GHz methanol masers and high-mass star formation regions

S. L. Breen; S. P. Ellingsen; Y. Contreras; J. A. Green; J. L. Caswell; J. B. Stevens; J. R. Dawson; M. A. Voronkov

doi:10.1093/mnras/stt1315

Confirmation of the exclusive association between 6.7-GHz methanol masers and high-mass star formation regions

S. L. Breen^*, S. P. Ellingsen, Y. Contreras, J. A. Green, J. L. Caswell, J. B. Stevens, J. R. Dawson, M. A. Voronkov

^*Corresponding author for this work

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Abstract

Recently, a comparison between the locations of 6.7-GHz methanol masers and dust continuum emission has renewed speculation that these masers can be associated with evolved stars. The implication of such a scenario would be profound, especially for the interpretation of large surveys for 6.7-GHz masers, individual studies where high-mass star formation has been inferred from the presence of 6.7-GHz methanol masers and for the pumping mechanisms of these masers. We have investigated the two instances where 6.7-GHz methanol masers have been explicitly suggested to be associated with evolved stars, and we find the first to be associated with a standard high-mass star formation region, and the second to be a spurious detection.We also find no evidence to suggest that the methanol maser action can be supported in the environments of evolved stars.We thereby confirm their exclusive association with high-mass star formation regions.

Original language	English
Pages (from-to)	524-530
Number of pages	7
Journal	Monthly Notices of the Royal Astronomical Society
Volume	435
Issue number	1
DOIs	https://doi.org/10.1093/mnras/stt1315
Publication status	Published - Oct 2013
Externally published	Yes

Bibliographical note

Copyright 2013 The Authors. First published in Monthly Notices of the Royal Astronomical Society, 435(1), 524-530. The original publication is available at https://doi.org/10.1093/mnras/stt1315, published by Oxford University Press on behalf of the Royal Astronomical Society. Version archived for private and non-commercial use with the permission of the author/s and according to publisher conditions. For further rights please contact the publisher.

Keywords

ISM :
Masers
Molecules
Stars :Formation

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title = "Confirmation of the exclusive association between 6.7-GHz methanol masers and high-mass star formation regions",

abstract = "Recently, a comparison between the locations of 6.7-GHz methanol masers and dust continuum emission has renewed speculation that these masers can be associated with evolved stars. The implication of such a scenario would be profound, especially for the interpretation of large surveys for 6.7-GHz masers, individual studies where high-mass star formation has been inferred from the presence of 6.7-GHz methanol masers and for the pumping mechanisms of these masers. We have investigated the two instances where 6.7-GHz methanol masers have been explicitly suggested to be associated with evolved stars, and we find the first to be associated with a standard high-mass star formation region, and the second to be a spurious detection.We also find no evidence to suggest that the methanol maser action can be supported in the environments of evolved stars.We thereby confirm their exclusive association with high-mass star formation regions.",

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author = "Breen, {S. L.} and Ellingsen, {S. P.} and Y. Contreras and Green, {J. A.} and Caswell, {J. L.} and Stevens, {J. B.} and Dawson, {J. R.} and Voronkov, {M. A.}",

note = "Copyright 2013 The Authors. First published in Monthly Notices of the Royal Astronomical Society, 435(1), 524-530. The original publication is available at https://doi.org/10.1093/mnras/stt1315, published by Oxford University Press on behalf of the Royal Astronomical Society. Version archived for private and non-commercial use with the permission of the author/s and according to publisher conditions. For further rights please contact the publisher.",

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language = "English",

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pages = "524--530",

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AU - Breen, S. L.

AU - Ellingsen, S. P.

AU - Contreras, Y.

AU - Green, J. A.

AU - Caswell, J. L.

AU - Stevens, J. B.

AU - Dawson, J. R.

AU - Voronkov, M. A.

N1 - Copyright 2013 The Authors. First published in Monthly Notices of the Royal Astronomical Society, 435(1), 524-530. The original publication is available at https://doi.org/10.1093/mnras/stt1315, published by Oxford University Press on behalf of the Royal Astronomical Society. Version archived for private and non-commercial use with the permission of the author/s and according to publisher conditions. For further rights please contact the publisher.

PY - 2013/10

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N2 - Recently, a comparison between the locations of 6.7-GHz methanol masers and dust continuum emission has renewed speculation that these masers can be associated with evolved stars. The implication of such a scenario would be profound, especially for the interpretation of large surveys for 6.7-GHz masers, individual studies where high-mass star formation has been inferred from the presence of 6.7-GHz methanol masers and for the pumping mechanisms of these masers. We have investigated the two instances where 6.7-GHz methanol masers have been explicitly suggested to be associated with evolved stars, and we find the first to be associated with a standard high-mass star formation region, and the second to be a spurious detection.We also find no evidence to suggest that the methanol maser action can be supported in the environments of evolved stars.We thereby confirm their exclusive association with high-mass star formation regions.

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Confirmation of the exclusive association between 6.7-GHz methanol masers and high-mass star formation regions

Abstract

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Keywords

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