Super-Powerful Flare Phenomenon of the Water  Maser in the Protostellar System IRAS 16293-2422

Larisa Volvach; Alexander Volvach; Michail G. Larionov

doi:10.29039/2587-9936.2022.05.2.11

UDC 524.3

SUPER-POWERFUL FLARE PHENOMENON OF THE WATER MASER IN THE PROTOSTELLAR SYSTEM IRAS 16293-2422 Super-Powerful Flare Phenomenon of the Water Maser in the Protostellar System IRAS 16293-2422

АА Аа

Published in Infocommunications and Radio Technologies · Volume 5, Issue 2 · Pages 153–168 · Rubric: PHYSICAL SCIENCES (1.3)

DOI: https://doi.org/10.29039/2587-9936.2022.05.2.11

Received: 20.06.2022 Accepted: 20.06.2022 Published: 28.06.2022

Authors

Larisa Volvach

Alexander Volvach

Michail G. Larionov

Larisa Volvach

Academic degree: candidate of physical and mathematical sciences

Crimean Astrophysical Observatory Radio Astronomy and Geodynamics Department, · Russian Federation · Nauchni

Alexander Volvach

Academic degree: doctor of physical and mathematical sciences

Crimean Astrophysical Observatory Deputy Director for Research · Radio Astronomy and Geodynamics Department · Russian Federation · Nauchni

Michail G. Larionov

Academic degree: doctor of physical and mathematical sciences

Lebedev Physical Institute, Russian Academy of Sciences Astro Space Center · Russian Federation

ABSTRACT

Based on long-term monitoring of the water vapor maser at 22.2 GHz from early 2019 to March 2021, the most powerful flare event in the entire history of observations was recorded in the protostellar system IRAS 16293-2422 at a velocity of about –1.5 km s–1, lasting of about two years. The maser emission came from the largest structure of maser spots, the high density of which created their partial overlap in time. The total number of individual flares of the water maser reached ten. Due to the high detail of the data obtained, recorded at intervals of 1–2 days, new unique results were obtained. The existence of such a complex configuration of emitting maser spots with very similar radial velocities located on the observer’s line of sight was confirmed for the first time. It was possible to establish that the masers of powerful flares were in an un-saturated state due to the cascade pumping of several masers on the observer’s line of sight. New important parameters of water masers have been obtained, and an assumption has been made about their localization in the gas-dust structure IRAS 16293-2422.

KEYWORDS

star formations, stars with exoplanet, molecules, radio lines, water masers

Funding

Avtory priznatel'ny pravitel'stvu Rossiyskoy Federacii i Ministerstvu vysshego obrazovaniya i nauki RF za podderzhku po grantu 075-15-2020-780 v chasti obrabotki i analiza dannyh RT-22.

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GOST

Volvach L. N., Volvach A. E., Larionov M. G. Super-Powerful Flare Phenomenon of the Water Maser in the Protostellar System IRAS 16293-2422 // Infocommunications and Radio Technologies. 2022. no. 2. pp. 153-168. DOI: https://doi.org/10.29039/2587-9936.2022.05.2.11. (Date of access 23.09.2026).

MLA

Larisa Volvach, Volvach A. E., Larionov M. G.. "Super-Powerful Flare Phenomenon of the Water Maser in the Protostellar System IRAS 16293-2422." Infocommunications and Radio Technologies 5.2 (2022): 153-168. DOI: https://doi.org/10.29039/2587-9936.2022.05.2.11.

APA

Volvach L. N., Volvach A. E., Larionov M. G. (2022). Super-Powerful Flare Phenomenon of the Water Maser in the Protostellar System IRAS 16293-2422. Infocommunications and Radio Technologies, 5(2), 153-168. https://doi.org/10.29039/2587-9936.2022.05.2.11

Chicago

Larisa Volvach, Volvach A. E., Larionov M. G.. "Super-Powerful Flare Phenomenon of the Water Maser in the Protostellar System IRAS 16293-2422." Infocommunications and Radio Technologies 5, no. 2 (2022): 153-168. https://doi.org/10.29039/2587-9936.2022.05.2.11.

WIKI

{{cite journal | author = Volvach L. N., Volvach A. E., Larionov M. G. | title = Super-Powerful Flare Phenomenon of the Water Maser in the Protostellar System IRAS 16293-2422 | journal = Infocommunications and Radio Technologies | year = 2022 | volume = 5 | issue = 2 | pages = 153-168 | doi = 10.29039/2587-9936.2022.05.2.11 }}

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SUPER-POWERFUL FLARE PHENOMENON OF THE WATER MASER IN THE PROTOSTELLAR SYSTEM IRAS 16293-2422 Super-Powerful Flare Phenomenon of the Water Maser in the Protostellar System IRAS 16293-2422

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