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Discovery of an Extremely Short Duration Flare from Proxima Centauri Using Millimeter through FUV Observations. / MacGregor, Meredith A.; Weinberger, Alycia J.; Loyd, R. O. Parke; Shkolnik, Evgenya; Barclay, Thomas; Howard, Ward S.; Zic, Andrew; Osten, Rachel A.; Cranmer, Steven R.; Kowalski, Adam F.; Lenc, Emil; Youngblood, Allison; Estes, Anna; Wilner, David J.; Forbrich, Jan; Hughes, Anna; Law, Nicholas M.; Murphy, Tara; Boley, Aaron; Matthews, Jaymie.

In: Astrophysical Journal Letters, Vol. 911, No. 2, L25, 21.04.2021.

Research output: Contribution to journalArticlepeer-review

Harvard

MacGregor, MA, Weinberger, AJ, Loyd, ROP, Shkolnik, E, Barclay, T, Howard, WS, Zic, A, Osten, RA, Cranmer, SR, Kowalski, AF, Lenc, E, Youngblood, A, Estes, A, Wilner, DJ, Forbrich, J, Hughes, A, Law, NM, Murphy, T, Boley, A & Matthews, J 2021, 'Discovery of an Extremely Short Duration Flare from Proxima Centauri Using Millimeter through FUV Observations', Astrophysical Journal Letters, vol. 911, no. 2, L25. https://doi.org/10.3847/2041-8213/abf14c

APA

MacGregor, M. A., Weinberger, A. J., Loyd, R. O. P., Shkolnik, E., Barclay, T., Howard, W. S., Zic, A., Osten, R. A., Cranmer, S. R., Kowalski, A. F., Lenc, E., Youngblood, A., Estes, A., Wilner, D. J., Forbrich, J., Hughes, A., Law, N. M., Murphy, T., Boley, A., & Matthews, J. (2021). Discovery of an Extremely Short Duration Flare from Proxima Centauri Using Millimeter through FUV Observations. Astrophysical Journal Letters, 911(2), [L25]. https://doi.org/10.3847/2041-8213/abf14c

Vancouver

Author

MacGregor, Meredith A. ; Weinberger, Alycia J. ; Loyd, R. O. Parke ; Shkolnik, Evgenya ; Barclay, Thomas ; Howard, Ward S. ; Zic, Andrew ; Osten, Rachel A. ; Cranmer, Steven R. ; Kowalski, Adam F. ; Lenc, Emil ; Youngblood, Allison ; Estes, Anna ; Wilner, David J. ; Forbrich, Jan ; Hughes, Anna ; Law, Nicholas M. ; Murphy, Tara ; Boley, Aaron ; Matthews, Jaymie. / Discovery of an Extremely Short Duration Flare from Proxima Centauri Using Millimeter through FUV Observations. In: Astrophysical Journal Letters. 2021 ; Vol. 911, No. 2.

Bibtex

@article{09051bc0fc584785aef04295d031babe,
title = "Discovery of an Extremely Short Duration Flare from Proxima Centauri Using Millimeter through FUV Observations",
abstract = "We present the discovery of an extreme flaring event from Proxima Cen by the Australian Square Kilometre Array Pathfinder (ASKAP), Atacama Large Millimeter/submillimeter Array (ALMA), Hubble Space Telescope (HST), Transiting Exoplanet Survey Satellite (TESS), and the du Pont Telescope that occurred on 2019 May 1. In the millimeter and FUV, this flare is the brightest ever detected, brightening by a factor of >1000 and >14,000 as seen by ALMA and HST, respectively. The millimeter and FUV continuum emission trace each other closely during the flare, suggesting that millimeter emission could serve as a proxy for FUV emission from stellar flares and become a powerful new tool to constrain the high-energy radiation environment of exoplanets. Surprisingly, optical emission associated with the event peaks at a much lower level with a time delay. The initial burst has an extremely short duration, lasting for <10 s. Taken together with the growing sample of millimeter M dwarf flares, this event suggests that millimeter emission is actually common during stellar flares and often originates from short burst-like events.",
keywords = "astro-ph.SR, astro-ph.EP",
author = "MacGregor, {Meredith A.} and Weinberger, {Alycia J.} and Loyd, {R. O. Parke} and Evgenya Shkolnik and Thomas Barclay and Howard, {Ward S.} and Andrew Zic and Osten, {Rachel A.} and Cranmer, {Steven R.} and Kowalski, {Adam F.} and Emil Lenc and Allison Youngblood and Anna Estes and Wilner, {David J.} and Jan Forbrich and Anna Hughes and Law, {Nicholas M.} and Tara Murphy and Aaron Boley and Jaymie Matthews",
note = "{\textcopyright} 2021. The American Astronomical Society. All rights reserved. This is the accepted manuscript version of an article which has been published in final form at https://doi.org/10.3847/2041-8213/abf14c",
year = "2021",
month = apr,
day = "21",
doi = "10.3847/2041-8213/abf14c",
language = "English",
volume = "911",
journal = "Astrophysical Journal Letters",
issn = "2041-8205",
publisher = "IOP Publishing Ltd.",
number = "2",

}

RIS

TY - JOUR

T1 - Discovery of an Extremely Short Duration Flare from Proxima Centauri Using Millimeter through FUV Observations

AU - MacGregor, Meredith A.

AU - Weinberger, Alycia J.

AU - Loyd, R. O. Parke

AU - Shkolnik, Evgenya

AU - Barclay, Thomas

AU - Howard, Ward S.

AU - Zic, Andrew

AU - Osten, Rachel A.

AU - Cranmer, Steven R.

AU - Kowalski, Adam F.

AU - Lenc, Emil

AU - Youngblood, Allison

AU - Estes, Anna

AU - Wilner, David J.

AU - Forbrich, Jan

AU - Hughes, Anna

AU - Law, Nicholas M.

AU - Murphy, Tara

AU - Boley, Aaron

AU - Matthews, Jaymie

N1 - © 2021. The American Astronomical Society. All rights reserved. This is the accepted manuscript version of an article which has been published in final form at https://doi.org/10.3847/2041-8213/abf14c

PY - 2021/4/21

Y1 - 2021/4/21

N2 - We present the discovery of an extreme flaring event from Proxima Cen by the Australian Square Kilometre Array Pathfinder (ASKAP), Atacama Large Millimeter/submillimeter Array (ALMA), Hubble Space Telescope (HST), Transiting Exoplanet Survey Satellite (TESS), and the du Pont Telescope that occurred on 2019 May 1. In the millimeter and FUV, this flare is the brightest ever detected, brightening by a factor of >1000 and >14,000 as seen by ALMA and HST, respectively. The millimeter and FUV continuum emission trace each other closely during the flare, suggesting that millimeter emission could serve as a proxy for FUV emission from stellar flares and become a powerful new tool to constrain the high-energy radiation environment of exoplanets. Surprisingly, optical emission associated with the event peaks at a much lower level with a time delay. The initial burst has an extremely short duration, lasting for <10 s. Taken together with the growing sample of millimeter M dwarf flares, this event suggests that millimeter emission is actually common during stellar flares and often originates from short burst-like events.

AB - We present the discovery of an extreme flaring event from Proxima Cen by the Australian Square Kilometre Array Pathfinder (ASKAP), Atacama Large Millimeter/submillimeter Array (ALMA), Hubble Space Telescope (HST), Transiting Exoplanet Survey Satellite (TESS), and the du Pont Telescope that occurred on 2019 May 1. In the millimeter and FUV, this flare is the brightest ever detected, brightening by a factor of >1000 and >14,000 as seen by ALMA and HST, respectively. The millimeter and FUV continuum emission trace each other closely during the flare, suggesting that millimeter emission could serve as a proxy for FUV emission from stellar flares and become a powerful new tool to constrain the high-energy radiation environment of exoplanets. Surprisingly, optical emission associated with the event peaks at a much lower level with a time delay. The initial burst has an extremely short duration, lasting for <10 s. Taken together with the growing sample of millimeter M dwarf flares, this event suggests that millimeter emission is actually common during stellar flares and often originates from short burst-like events.

KW - astro-ph.SR

KW - astro-ph.EP

U2 - 10.3847/2041-8213/abf14c

DO - 10.3847/2041-8213/abf14c

M3 - Article

VL - 911

JO - Astrophysical Journal Letters

JF - Astrophysical Journal Letters

SN - 2041-8205

IS - 2

M1 - L25

ER -