NGTS clusters survey - II. White-light ares from the youngest stars in Orion
Author
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Jackman, James A. G.
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Wheatley, Peter J.
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Acton, Jack S.
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Anderson, David R.
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Belardi, Claudia
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Burleigh, Matthew R.
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Casewell, Sarah L.
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Eigmüller, Philipp
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Gill, Samuel
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Gillen, Edward
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Goad, Michael R.
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Grange, Andrew
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Hodgkin, Simon T.
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Jenkins, James
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McCormac, James
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Moyano, Maximiliano
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Queloz, Didier
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Raynard, Liam
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Tilbrook, Rosanna H.
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Watson, Christopher A.
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West, Richard G.
Admission date
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2021-03-10T14:19:10Z
Available date
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2021-03-10T14:19:10Z
Publication date
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2020
Cita de ítem
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Monthly Notices of the Royal Astronomical Society 497(1):809-817
es_ES
Identifier
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10.1093/mnras/staa1971
Identifier
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https://repositorio.uchile.cl/handle/2250/178633
Abstract
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We present the detection of high-energy white-light flares from pre-main-sequence stars associated with the Orion Complex, observed as part of the Next Generation Transit Survey (NGTS). With energies up to 5.2 x 10(35) erg these flares are some of the most energetic white-light flare events seen to date. We have used the NGTS observations of flaring and non-flaring stars to measure the average flare occurrence rate for 4 Myr M0-M3 stars. We have also combined our results with those from previous studies to predict average rates for flares above 1 x 10(35) erg for early M stars in nearby young associations.
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Patrocinador
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University of Warwick University of Leicester Queen's University Belfast University of Geneva Deutsches Zentrum fur Luft-und Raumfahrt e.V. (DLR; under the 'Grossinvestition GI-NGTS') University of Cambridge UK Research & Innovation (UKRI) Science & Technology Facilities Council (STFC) ST/M001962/1 UK Research & Innovation (UKRI) Science & Technology Facilities Council (STFC) 1763096 UK Research & Innovation (UKRI) Science & Technology Facilities Council (STFC) ST/P000495/1 David and Claudia Harding Foundation National Aeronautics & Space Administration (NASA) National Science Foundation (NSF)