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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. (Accepted/In press). 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 -