Multiwavelength observations of a TeV-Flare from W comae

We report results from an intensive multiwavelength campaign on the intermediate-frequency-peaked BL Lacertae object W Com (z = 0.102) during a strong outburst of very high energy gamma-ray emission in 2008 June. The very high energy gamma-ray signal was detected by VERITAS on 2008 June 7-8 with a f...

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Autor principal: Acciari, V.A.
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Acceso en línea:http://hdl.handle.net/20.500.12110/paper_0004637X_v707_n1_p612_Acciari
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spelling todo:paper_0004637X_v707_n1_p612_Acciari2023-10-03T14:02:11Z Multiwavelength observations of a TeV-Flare from W comae Acciari, V.A. BL Lacertae objects: individual (W Com) Gamma rays: observations We report results from an intensive multiwavelength campaign on the intermediate-frequency-peaked BL Lacertae object W Com (z = 0.102) during a strong outburst of very high energy gamma-ray emission in 2008 June. The very high energy gamma-ray signal was detected by VERITAS on 2008 June 7-8 with a flux F(>200 GeV) =(5.7 0.6) × 10 -11 cm -2 s -1 , about three times brighter than during the discovery of gamma-ray emission from W Com by VERITAS in 2008 March. The initial detection of this flare by VERITAS at energies above 200 GeV was followed by observations in high-energy gamma rays (AGILE; E γ ≥ 100 MeV), X-rays (Swift and XMM-Newton), and at UV, and ground-based optical and radio monitoring through the GASP-WEBT consortium and other observatories. Here we describe the multiwavelength data and derive the spectral energy distribution of the source from contemporaneous data taken throughout the flare. © 2009. The American Astronomical Society. All rights reserved. JOUR info:eu-repo/semantics/openAccess http://creativecommons.org/licenses/by/2.5/ar http://hdl.handle.net/20.500.12110/paper_0004637X_v707_n1_p612_Acciari
institution Universidad de Buenos Aires
institution_str I-28
repository_str R-134
collection Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA)
topic BL Lacertae objects: individual (W Com)
Gamma rays: observations
spellingShingle BL Lacertae objects: individual (W Com)
Gamma rays: observations
Acciari, V.A.
Multiwavelength observations of a TeV-Flare from W comae
topic_facet BL Lacertae objects: individual (W Com)
Gamma rays: observations
description We report results from an intensive multiwavelength campaign on the intermediate-frequency-peaked BL Lacertae object W Com (z = 0.102) during a strong outburst of very high energy gamma-ray emission in 2008 June. The very high energy gamma-ray signal was detected by VERITAS on 2008 June 7-8 with a flux F(>200 GeV) =(5.7 0.6) × 10 -11 cm -2 s -1 , about three times brighter than during the discovery of gamma-ray emission from W Com by VERITAS in 2008 March. The initial detection of this flare by VERITAS at energies above 200 GeV was followed by observations in high-energy gamma rays (AGILE; E γ ≥ 100 MeV), X-rays (Swift and XMM-Newton), and at UV, and ground-based optical and radio monitoring through the GASP-WEBT consortium and other observatories. Here we describe the multiwavelength data and derive the spectral energy distribution of the source from contemporaneous data taken throughout the flare. © 2009. The American Astronomical Society. All rights reserved.
format JOUR
author Acciari, V.A.
author_facet Acciari, V.A.
author_sort Acciari, V.A.
title Multiwavelength observations of a TeV-Flare from W comae
title_short Multiwavelength observations of a TeV-Flare from W comae
title_full Multiwavelength observations of a TeV-Flare from W comae
title_fullStr Multiwavelength observations of a TeV-Flare from W comae
title_full_unstemmed Multiwavelength observations of a TeV-Flare from W comae
title_sort multiwavelength observations of a tev-flare from w comae
url http://hdl.handle.net/20.500.12110/paper_0004637X_v707_n1_p612_Acciari
work_keys_str_mv AT acciariva multiwavelengthobservationsofatevflarefromwcomae
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