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          Institute: MPI für Astronomie     Collection: Publikationen_mpia     Display Documents



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ID: 421771.0, MPI für Astronomie / Publikationen_mpia
Thermal methanol observations of the outflow from the G31.41+0.31 hot molecular core
Authors:Araya, E.; Hofner, P.; Kurtz, S.; Olmi, L.; Linz, H.
Language:English
Date of Publication (YYYY-MM-DD):2008
Title of Journal:The Astrophysical Journal
Journal Abbrev.:ApJ
Volume:675
Start Page:420
End Page:426
Review Status:Peer-review
Audience:Experts Only
Abstract / Description:The G31.41+0.31 region hosts one of the most prominent hot molecular cores known. Coincident with the hot molecular core is an outflow whose orientation has been controversial. We report VLA-C observations of thermal methanol (70-61 A+, 44 GHz) toward the position of the G31.41+0.31 hot molecular core. Our goals are to clarify the orientation of the outflow and to study the properties of a molecular outflow from a very young region of massive star formation. We confirm that the outflow is indeed associated with the hot molecular core. Our observations strongly suggest that the outflow is oriented in the northeast-southwest direction. The outflow is massive (>~15 Msolar), with a dynamical time of the order of ~4×103 yr, and has a wide-angle bipolar morphology.
Free Keywords:ISM: H II Regions; ISM: Clouds; ISM: Individual: Alphanumeric: G31.41+0.31; ISM: Molecules; Radio Lines: ISM
External Publication Status:published
Document Type:Article
Communicated by:N. N.
Affiliations:MPI für Astronomie
Identifiers:URL:http://adsabs.harvard.edu/abs/2008ApJ...675..420A [ID No:1]
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