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01450 am a22002293u 4500 |
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95680 |
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|a dc
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|a Sjouwerman, Loránt O.
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|a Haystack Observatory
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|a Fish, Vincent L.
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|a Murray, Claire E.
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|a Pihlström, Ylva M.
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|a Fish, Vincent L.
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|a Araya, Esteban D.
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|a DISCOVERY OF THE FIRST METHANOL (CH [subscript 3] OH) MASER IN THE ANDROMEDA GALAXY (M31)
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|b IOP Publishing,
|c 2015-02-26T19:45:11Z.
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|z Get fulltext
|u http://hdl.handle.net/1721.1/95680
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|a We present the first detection of a 6.7 GHz Class II methanol (CH[subscript 3]OH) maser in the Andromeda galaxy (M31). The CH[subscript 3]OH maser was found in a VLA survey during the fall of 2009. We have confirmed the methanol maser with the new EVLA, in operation since 2010 March, but were unsuccessful in detecting a water maser at this location. A direct application for this methanol maser is the determination of the proper motion of M31, such as was previously obtained with water masers in M33 and IC10. Unraveling the three-dimensional velocity of M31 would solve for the biggest unknown in the modeling of the dynamics and evolution of the Local Group of galaxies.
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|a National Radio Astronomy Observatory (U.S.)
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|a en_US
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|a Article
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|t Astrophysical Journal. Letters
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