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The sio masers and dust shell of VX sgr
Authors:L J Greenhill  F Colomer  J M Moran  D C Backer  W C Danchi  M Bester
Institution:(1) Harvard-Smithsonian Center for Astrophysics, 60 Garden St, 02138 Cambridge, MA, USA;(2) Department of Astronomy, University of California, 94720 Berkeley, CA, USA;(3) Space Sciences Laboratory, University of California, 94720 Berkeley, CA, USA;(4) Present address: Centro Astronómico de Yebes, Apartado 148, 19080 Guadalajara, Spain
Abstract:The circumstellar envelope of the late-type supergiant VX Sagittarii has been studied with VLBI observations of SiO maser emission (J = 1 rarr 0v = 1) and interferometric observations of mid-infrared dust emission.
Keywords:VX Sgr  interferometry  masers  mass loss  dust shells
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