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New Detection of an Extremely Blue-shift Dominated Jet in G353.273+0.641: A Possible Disk-Jet System on 100 AU Scale

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Authors
Motogi, K.
Fujisawa, K.
Sugiyama, K.
Niinuma, K.
Sorai, K.
Honma, M.
Hirota, T.
Yonekura, Y.
Hachisuka, K.
Walsh, Andrew
Date
2013
Type
Conference Paper

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Motogi, K. and Fujisawa, K. and Sugiyama, K. and Niinuma, K. and Sorai, K. and Honma, M. and Hirota, T. and Yonekura, Y. and Hachisuka, K. and Walsh, A.J. 2013. New Detection of an Extremely Blue-shift Dominated Jet in G353.273+0.641: A Possible Disk-Jet System on 100 AU Scale, in New Trends in Radio Astronomy in the ALMA Era: The 30th Anniversary of Nobeyama Radio Observatory, Dec 3-8 2012, pp. 381-381. Hakone, Japan: Astronomical Society of the Pacific.
Source Title
New Trends in Radio Astronomy in the ALMA Era: The 30th Anniversary of Nobeyama Radio Observatory
Source Conference
New Trends in Radio Astronomy in the ALMA Era: The 30th Anniversary of Nobeyama Radio Observatory
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Abstract

We report a new detection of an unusual molecular jet from a high mass protostellar object G353.273+0.641 using the NRO 45m telescope. Newly detected SiO (υ = 0, J = 2-1) jet shows highly blue-shift dominated spectrum similar to the associated 22 GHz maser emission. The remarkable blue-shift dominance in both of the maser and SiO emission can be caused by a compact (< 170 AU) and optically thick face-on disk, masking the red-shifted part of the jet.