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Title: VLBI observations of the G25.65+1.05 water maser superburst
Authors: Burns, R. A.
Orosz, G.
Bayandina, O.
Surcis, G.
Olech, M.
MacLeod, G. C.
Volvach, A.
Rudnitskii, G.
Hirota, T.
Immer, K.
Blanchard, J.
Marcote, B.
van Langevelde, H. J.
Chibueze, J. O.
Sugiyama, K.
Kim, K. -T.
Val'tts, I.
Shakhvorostova, N.
Kramer, B.
Baan, W. A.
Brogan, C.
Hunter, T.
Kurtz, S.
Sobolev, A. M.
Brand, J.
Volvach, L.
Issue Date: 2020
Publisher: Oxford University Press
Citation: VLBI observations of the G25.65+1.05 water maser superburst / R. A. Burns, G. Orosz, O. Bayandina, et al. — DOI 10.1093/mnras/stz3172 // Monthly Notices of the Royal Astronomical Society. — 2020. — Vol. 491. — Iss. 3. — P. 4069-4075.
Abstract: This paper reports observations of a 22 GHz water maser 'superburst' in the G25.65+1.05 massive star-forming region, conducted in response to an alert from the Maser Monitoring Organisation (M2O). Very long baseline interferometry (VLBI) observations using the European VLBI Network (EVN) recorded a maser flux density of 1.2 × 104 Jy. The superburst was investipgated in the spectral, structural, and temporal domains and its cause was determined to be an increase in maser path length generated by the superposition of multiple maser emitting regions aligning in the line of sight to the observer. This conclusion was based on the location of the bursting maser in the context of the star-forming region, its complex structure, and its rapid onset and decay. © 2019 The Author(s) Published by Oxford University Press on behalf of the Royal Astronomical Society
Keywords: MASERS
Access: info:eu-repo/semantics/openAccess
SCOPUS ID: 85093437987
PURE ID: 12252427
ISSN: 358711
DOI: 10.1093/mnras/stz3172
metadata.dc.description.sponsorship: RAB acknowledges support through the EACOA Fellowship from the East Asian Core Observatories Association. GO acknowledges support from the Australian Research Council Discovery project DP180101061 funded by the Australian Government, the CAS ‘Light of West China’ Program 2018-XBQNXZ-B-021, and the National Key R&D Program of China 2018YFA0404602. TH is financially supported by the MEXT/JSPS KAKENHI Grant Number 17K05398. BM acknowledges support from the Spanish Ministerio de Economía y Competitividad (MINECO) under grants AYA2016-76012-C3-1-P and MDM-2014-0369 of ICCUB (Unidad de Excelencia ‘María de Maeztu’). NS acknowledges support from Russian Science Foundation grant 18-12-00193. AMS is supported by the Ministry of Science and High Education (the basic part of the State assignment, RK No. AAAA-A17-117030310283-7) and by the Act 211 Government of the Russian Federation, contract No.02.A03.21.0006. JOC acknowledges support by the Italian Ministry of Foreign Affairs and International ...
RSCF project card: 18-12-00193
Appears in Collections:Научные публикации, проиндексированные в SCOPUS и WoS CC

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