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The Dynamics of the Outflow Structure in W49 N

Published online by Cambridge University Press:  07 February 2024

Kitiyanee Asanok Open the ORCID record for Kitiyanee Asanok [Opens in a new window] ,
M.D. Gray Open the ORCID record for M.D. Gray [Opens in a new window] ,
T. Hirota Open the ORCID record for T. Hirota [Opens in a new window] ,
K. Sugiyama Open the ORCID record for K. Sugiyama [Opens in a new window] ,
M. Phetra Open the ORCID record for M. Phetra [Opens in a new window] ,
B.H. Kramer ,
T. Liu ,
K.T. Kim  and
B. Pimpanuwat
Kitiyanee Asanok*
Affiliation:
National Astronomical Research Institute of Thailand, The Ministry of Higher Education, Science, Research and Innovation, 260 Moo 4, Tambol Donkaew, Amuphur Maerim, Chiangmai 50180, Thailand.
M.D. Gray
Affiliation:
National Astronomical Research Institute of Thailand, The Ministry of Higher Education, Science, Research and Innovation, 260 Moo 4, Tambol Donkaew, Amuphur Maerim, Chiangmai 50180, Thailand.
T. Hirota
Affiliation:
Mizusawa VLBI Observatory, National Astronomical Observatory of Japan, 2-21-1 Osawa, Mitaka, Tokyo 181-8588, Japan Department of Astronomical Sciences, SOKENDAI (The Graduate University for Advanced Studies), 2-21-1 Osawa, Mitaka-shi, Tokyo 181-8588, Japan
K. Sugiyama
Affiliation:
National Astronomical Research Institute of Thailand, The Ministry of Higher Education, Science, Research and Innovation, 260 Moo 4, Tambol Donkaew, Amuphur Maerim, Chiangmai 50180, Thailand.
M. Phetra
Affiliation:
Graduate School, Department of Physics and Material Science, Faculty of Science, Chiang Mai University, 239 Huaykaew road, Tambol Suthep, Amphur Muang Chiangmai 50200, Thailand
B.H. Kramer
Affiliation:
National Astronomical Research Institute of Thailand, The Ministry of Higher Education, Science, Research and Innovation, 260 Moo 4, Tambol Donkaew, Amuphur Maerim, Chiangmai 50180, Thailand. Max-Planck-Institut für Radioastronomie, Auf dem Hügel 69, Bonn 53121, Germany
T. Liu
Affiliation:
Shanghai Astronomical Observatory, Chinese Academy of Sciences, 80 Nandan Road, Shanghai 200030, China Korea Astronomy and Space Science Institute, 776 Daedeokdae-ro, Yuseong-gu, Daejeon 34055, Republic of Korea
K.T. Kim
Affiliation:
Korea Astronomy and Space Science Institute, 776 Daedeokdae-ro, Yuseong-gu, Daejeon 34055, Republic of Korea
B. Pimpanuwat
Affiliation:
Jodrell Bank Centre for Astrophysics, School of Physics and Astronomy, The University of Manchester, Alan Turing Building, Oxford Rd M13 9PY, United Kingdom
*
email: [email protected]
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Abstract

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In this current study, we report only the preliminary result of the SiO v=0 Ј=5→4 emission toward W49 N at 230 GHz, observed using the ALMA telescope on September 29, 2018. The position–velocity diagram of the SiO emission shows a structure of a bipolar outflow and has a face-on orientation with an inclination angle of 36.4±0.4 degrees with respect to the line of sight. Here we summarize the calculated physical properties of its outflow.

Keywords

masers – stars: formationISM: HII regionsISM: jets and outflowsISM: moleculesstars: individual: W49 N
Type
Poster Paper
Information
Proceedings of the International Astronomical Union , Volume 18 , Symposium S380: Cosmic Masers: Proper Motion toward the Next-Generation Large Projects , December 2022 , pp. 202 - 203
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Copyright
© The Author(s), 2024. Published by Cambridge University Press on behalf of International Astronomical Union

References

Asanok, K., Gray, M. D., Hirota, T., et al. 2023, ApJ, 943, 79 10.3847/1538-4357/aca6f1CrossRefGoogle Scholar
Liu, T., Kim, K.-T., Wu, Y., et al. 2015, ApJ, 810, 147 10.1088/0004-637X/810/2/147CrossRefGoogle Scholar
Nguyen-Lu’o’ng, Q., Motte, F., Carlhoff, P., et al. 2013, Ap J, 775, 88 Google Scholar
Smith, N., Whitney, B. A., Conti, P. S., De Pree, C. G., Jackson, J. M. 2009, MNRAS, 399, 952 10.1111/j.1365-2966.2009.15343.xCrossRefGoogle Scholar
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