Výsledky vyhledávání - "Maxim Voronkov"

Molecular line search towards the flaring 6.7-GHz methanol masers of G 24.33+0.13 and G 359.62−0.24: rare maser transitions detected

Autor: Gabor Orosz, Yoshinori Yonekura, Ross A. Burns, M. Olech, Maxim Voronkov, T. P. McCarthy, Tomoya Hirota, Lucas J. Hyland, Simon Ellingsen, Shari Breen, Paweł Wolak

Publikováno v: Monthly Notices of the Royal Astronomical Society. 509:1681-1689

We have performed a molecular line search towards the flaring 6.7-GHz masers G 24.33+0.13, and G 359.6−0.24 using the Australia Telescope Compact Array. We present spectra of the 6.7-GHz class II methanol and 22.2-GHz water masers towards these sou

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::aa081cc0d3ef6a6e3fc423f4246e52e1
https://doi.org/10.1093/mnras/stab3040

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FLASH early science – discovery of an intervening H i 21-cm absorber from an ASKAP survey of the GAMA 23 field

Publikováno v: Monthly Notices of the Royal Astronomical Society. 494:3627-3641

We present early science results from the First Large Absorption Survey in HI (FLASH), a spectroscopically blind survey for 21-cm absorption lines in cold hydrogen HI gas at cosmological distances using the Australian Square Kilometre Array Pathfinde

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6dc12146bc1c3888d5e44e0e1e72b634
https://doi.org/10.1093/mnras/staa949

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The Evolutionary Map of the Universe pilot survey

Publikováno v: Norris, R P, Marvil, J, Collier, J D, Kapinska, A D, O'Brien, A N, Rudnick, L, Andernach, H, Asorey, J, Brown, M J I, Bruggen, M, Crawford, E, English, J, Rahman, S F U, Filipovic, M D, Gordon, Y, Gurkan, G, Hale, C, Hopkins, A M, Huynh, M T, HyeongHan, K, Jee, M J, Koribalski, B S, Lenc, E, Luken, K, Parkinson, D, Prandoni, I, Raja, W, Reiprich, T H, Riseley, C J, Shabala, S S, Sheil, J R, Vernstrom, T, Whiting, M T, Allison, J R, Anderson, C S, Ball, L, Bell, M, Bunton, J, Galvin, T J, Gupta, N, Hotan, A, Jacka, C, Macgregor, P J, Mahony, E K, Maio, U, Moss, V, Pandey-Pommier, M & Voronkov, M A 2021, ' The Evolutionary Map of the Universe Pilot Survey ', Publications of the Astronomical Society of Australia, vol. 38, e046, pp. 1-26 . https://doi.org/10.1017/pasa.2021.42

We present the data and initial results from the first Pilot Survey of the Evolutionary Map of the Universe (EMU), observed at 944 MHz with the Australian Square Kilometre Array Pathfinder (ASKAP) telescope. The survey covers 270 \sqdeg of an area co

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::71e36e3bf20635849516b282db7983a1
https://doi.org/10.1017/pasa.2021.42

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Variability in extragalactic class I methanol masers: New maser components toward NGC4945 and NGC253

Autor: Maxim Voronkov, T. P. McCarthy, Simon Ellingsen, Xi Chen, Shari Breen, Hai-Hua Qiao

We have used the Australia Telescope Compact Array (ATCA) to make new observations of the 36.2-GHz ($4_{-1}\rightarrow3_0$E) methanol transition toward NGC 4945 and NGC 253. These observations have revealed the presence of new maser components toward

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::bc6e9cf11e5b9952885493c5e31bd997

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The Evolutionary Status of Protostellar Clumps Hosting Class II Methanol Masers

Autor: Maxim Voronkov, Gary A. Fuller, BM Jones, J. A. Green, Alessio Traficante, Simon Ellingsen, Eugenio Schisano, Adam Avison, D. Elia, Manuel Merello, Sergio Molinari, Shari Breen

Publikováno v: Jones, B M, Fuller, G A, Breen, S L, Avison, A, Green, J A, Traficante, A, Elia, D, {Ellingsen}, S P, Voronkov, M A, Merello, M, Molinari, S & Schisano, E 2020, ' The Evolutionary Status of Protostellar Clumps Hosting Class II Methanol Masers ', Monthly Notices of the Royal Astronomical Society . https://doi.org/10.1093/mnras/staa233

The Methanol MultiBeam survey (MMB) provides the most complete sample of Galactic massive young stellar objects (MYSOs) hosting 6.7GHz class II methanol masers. We characterise the properties of these maser sources using dust emission detected by the

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e8f1a6bbc43c6ef60b1cd4607bf83f83
https://www.research.manchester.ac.uk/portal/en/publications/the-evolutionary-status-of-protostellar-clumps-hosting-class-ii-methanol-masers(6cca71f8-f11f-48f0-b095-9489a504a136).html

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Field sources near the southern-sky calibrator PKS B1934-638: effect on spectral line observations with SKA-MID and its precursors

Autor: Lisa Harvey-Smith, J. Marvil, Maxim Voronkov, Aaron Chippendale, B. Hugo, Martin Bell, Emil Lenc, David McConnell, Paolo Serra, Keith W. Bannister, Ian Heywood

Accurate instrumental bandpass corrections are essential for the reliable interpretation of spectral lines from targeted and survey-mode observations with radio interferometers. Bandpass correction is typically performed by comparing measurements of

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1a4f8c85ed134221950a4d2a1b54ad11
http://arxiv.org/abs/2004.00454

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