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The JCMT Transient Survey : An Extraordinary Submillimetre Flare in the T Tauri Binary System JW 566. / Mairs, Steve; Lalchand, Bhavana; Bower, Geoffrey C.; Forbrich, Jan; Bell, Graham S.; Herczeg, Gregory J.; Johnstone, Doug; Chen, Wen-Ping; Lee, Jeong-Eun; Hacar, Alvaro.

In: The Astrophysical Journal, 30.11.2018.

Research output: Contribution to journalArticle

Harvard

Mairs, S, Lalchand, B, Bower, GC, Forbrich, J, Bell, GS, Herczeg, GJ, Johnstone, D, Chen, W-P, Lee, J-E & Hacar, A 2018, 'The JCMT Transient Survey: An Extraordinary Submillimetre Flare in the T Tauri Binary System JW 566' The Astrophysical Journal.

APA

Mairs, S., Lalchand, B., Bower, G. C., Forbrich, J., Bell, G. S., Herczeg, G. J., ... Hacar, A. (2018). The JCMT Transient Survey: An Extraordinary Submillimetre Flare in the T Tauri Binary System JW 566. The Astrophysical Journal.

Vancouver

Author

Mairs, Steve ; Lalchand, Bhavana ; Bower, Geoffrey C. ; Forbrich, Jan ; Bell, Graham S. ; Herczeg, Gregory J. ; Johnstone, Doug ; Chen, Wen-Ping ; Lee, Jeong-Eun ; Hacar, Alvaro. / The JCMT Transient Survey : An Extraordinary Submillimetre Flare in the T Tauri Binary System JW 566. In: The Astrophysical Journal. 2018

Bibtex

@article{4087881c2fb4412cbf8eb4255fa88639,
title = "The JCMT Transient Survey: An Extraordinary Submillimetre Flare in the T Tauri Binary System JW 566",
abstract = "The binary T Tauri system JW 566 in the Orion Molecular Cloud underwent an energetic, short-lived flare observed at submillimetre wavelengths by the SCUBA-2 instrument on 26 November 2016 (UT). The emission faded by nearly 50{\%} during the 31 minute integration. The simultaneous source fluxes averaged over the observation are 500 +/- 107 mJy/beam at 450 microns and 466 +/- 47 mJy/beam at 850 microns. The 850 micron flux corresponds to a radio luminosity of $L_{\nu}=8\times10^{19}$ erg/s/Hz, approximately one order of magnitude brighter (in terms of $\nu L_{\nu}$) than that of a flare of the young star GMR-A, detected in Orion in 2003 at 3mm. The event may be the most luminous known flare associated with a young stellar object and is also the first coronal flare discovered at sub-mm wavelengths. The spectral index between 450 microns and 850 microns of $\alpha = 0.11$ is broadly consistent with non-thermal emission. The brightness temperature was in excess of $6\times10^{4}$ K. We interpret this event to be a magnetic reconnection that energised charged particles to emit gyrosynchrotron/synchrotron radiation.",
keywords = "astro-ph.SR",
author = "Steve Mairs and Bhavana Lalchand and Bower, {Geoffrey C.} and Jan Forbrich and Bell, {Graham S.} and Herczeg, {Gregory J.} and Doug Johnstone and Wen-Ping Chen and Jeong-Eun Lee and Alvaro Hacar",
note = "Accepted in ApJ. 16 pages (single column), 6 figures",
year = "2018",
month = "11",
day = "30",
language = "English",
journal = "The Astrophysical Journal",
issn = "0004-637X",
publisher = "IOP Publishing Ltd.",

}

RIS

TY - JOUR

T1 - The JCMT Transient Survey

T2 - The Astrophysical Journal

AU - Mairs,Steve

AU - Lalchand,Bhavana

AU - Bower,Geoffrey C.

AU - Forbrich,Jan

AU - Bell,Graham S.

AU - Herczeg,Gregory J.

AU - Johnstone,Doug

AU - Chen,Wen-Ping

AU - Lee,Jeong-Eun

AU - Hacar,Alvaro

N1 - Accepted in ApJ. 16 pages (single column), 6 figures

PY - 2018/11/30

Y1 - 2018/11/30

N2 - The binary T Tauri system JW 566 in the Orion Molecular Cloud underwent an energetic, short-lived flare observed at submillimetre wavelengths by the SCUBA-2 instrument on 26 November 2016 (UT). The emission faded by nearly 50% during the 31 minute integration. The simultaneous source fluxes averaged over the observation are 500 +/- 107 mJy/beam at 450 microns and 466 +/- 47 mJy/beam at 850 microns. The 850 micron flux corresponds to a radio luminosity of $L_{\nu}=8\times10^{19}$ erg/s/Hz, approximately one order of magnitude brighter (in terms of $\nu L_{\nu}$) than that of a flare of the young star GMR-A, detected in Orion in 2003 at 3mm. The event may be the most luminous known flare associated with a young stellar object and is also the first coronal flare discovered at sub-mm wavelengths. The spectral index between 450 microns and 850 microns of $\alpha = 0.11$ is broadly consistent with non-thermal emission. The brightness temperature was in excess of $6\times10^{4}$ K. We interpret this event to be a magnetic reconnection that energised charged particles to emit gyrosynchrotron/synchrotron radiation.

AB - The binary T Tauri system JW 566 in the Orion Molecular Cloud underwent an energetic, short-lived flare observed at submillimetre wavelengths by the SCUBA-2 instrument on 26 November 2016 (UT). The emission faded by nearly 50% during the 31 minute integration. The simultaneous source fluxes averaged over the observation are 500 +/- 107 mJy/beam at 450 microns and 466 +/- 47 mJy/beam at 850 microns. The 850 micron flux corresponds to a radio luminosity of $L_{\nu}=8\times10^{19}$ erg/s/Hz, approximately one order of magnitude brighter (in terms of $\nu L_{\nu}$) than that of a flare of the young star GMR-A, detected in Orion in 2003 at 3mm. The event may be the most luminous known flare associated with a young stellar object and is also the first coronal flare discovered at sub-mm wavelengths. The spectral index between 450 microns and 850 microns of $\alpha = 0.11$ is broadly consistent with non-thermal emission. The brightness temperature was in excess of $6\times10^{4}$ K. We interpret this event to be a magnetic reconnection that energised charged particles to emit gyrosynchrotron/synchrotron radiation.

KW - astro-ph.SR

M3 - Article

JO - The Astrophysical Journal

JF - The Astrophysical Journal

SN - 0004-637X

ER -