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Intensity monitor of water maser emission associated with massive YSOs

Published online by Cambridge University Press:  07 February 2024

Kazuyoshi Sunada Open the ORCID record for Kazuyoshi Sunada [Opens in a new window] ,
Tomoya Hirota Open the ORCID record for Tomoya Hirota [Opens in a new window] ,
Mikyoung Kim Open the ORCID record for Mikyoung Kim [Opens in a new window]  and
Ross Burns
Kazuyoshi Sunada*
Affiliation:
National Astronomical Observatory of Japan, Oshu-shi, Iwate 023-0861, Japan.
Tomoya Hirota
Affiliation:
National Astronomical Observatory of Japan, Oshu-shi, Iwate 023-0861, Japan.
Mikyoung Kim
Affiliation:
Otsuma Women’s University,12 Sanban-cho,Chiyoda-ku,Tokyo 102-8357, Japan
Ross Burns
Affiliation:
RIKEN Cluster for Pioneering Research, Wako-shi, Saitama, 351-0198, Japan
*
email: kazu.sunada@nao.ac.jp
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Abstract

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We are carrying out the intensity monitoring of the water maser emission associated with massive young stellar objects (YSOs) using the VLBI Exploration of Radio Astrometry (VERA) antennas. We are currently monitoring 108 sources. During our long monitoring period, we could find flares on several YSOs. As an example, we show the results from IRAS 16293–2422 and NGC2071 IRS1 here. We also show the results of monitoring of the water maser emission from G36.115+0.552, which the methanol maser flare was reported. We observed it as often as possible, usually once a day.

Keywords

masersstarts:massive
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. 243 - 245
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Creative Commons
Creative Common License - CCCreative Common License - BY
This is an Open Access article, distributed under the terms of the Creative Commons Attribution licence (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted re-use, distribution and reproduction, provided the original article is properly cited.
Copyright
© The Author(s), 2024. Published by Cambridge University Press on behalf of International Astronomical Union

References

Tanabe, Y. and Yonekura, Y., 2022, Atel, #5680Google Scholar