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Catching unusual phenomena with extensive maser monitoring

Published online by Cambridge University Press:  07 February 2024

Michał Durjasz Open the ORCID record for Michał Durjasz [Opens in a new window]
Michał Durjasz*
Affiliation:
Institute of Astronomy, Faculty of Physics, Astronomy and Informatics, Nicolaus Copernicus University, Grudziadzka 5, 87-100 Torun, Poland.
*
email: [email protected]
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Abstract

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High brightness and low interstellar extinction allow the 6.7 GHz methanol (CH3OH) masers to carry the information about what happens in the vicinity of the High-Mass Young Stellar Objects (HMYSOs). Monitoring this transition provides an only one opportunity to catch rare, unusual phenomena. In this paper, I describe three of them: quasi-periodic flares of the red-shifted emission in Cep A HW2, accretion burst in S255-NIRS3 and reappearance of the methanol maser flare in G24.329+0.144.

Keywords

masersstars: massivestars: formationISM: moleculesradio lines: ISM
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. 210 - 212
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Copyright
© The Author(s), 2024. Published by Cambridge University Press on behalf of International Astronomical Union

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