Abdalla H, Aharonian F, Mitchell A, Spencer S, Benkhali FA, Anguner EO, Arcaro C, Armand C, Armstrong T, Ashkar H, Backes M, Baghmanyan , Martins VB, Barnacka A, Barnard M, Becherini Y, Berge D, Bernloehr K, Bi B, Bottcher M, Boisson C, Bolmont J, De Lavergne MDB, Breuhaus M, Brose R, Brun F, Brun P, Bryan M, Büchele M, Bulik T, Bylund T, Cangemi F, Caroff S, Carosi A, Casanova S, Chambery P, Chand T, Chandra S, Chen A, Cotter G, Curylo M, Mbarubucyeye JD, Davids ID, Davies J, Deil C, Devin J, Dirson L, Djannati-Atai A, Dmytriiev A, Donath A, Doroshenko , Dreyer L, Duffy C, Du Plessis L, Dyks J, Egberts K, Eichhorn F, Einecke S, Emery G, Ernenwein JP, Feijen K, Fegan S, Fiasson A, De Clairfontaine GF, Fontaine G, Funk S, Fuessling M, Gabici S, Gallant YA, Ghafourizade S, Giavitto G, Giunti L, Glawion D, Glicenstein JF, Grondin MH, Hahn J, Haupt M, Hattingh S, Hermann G, Hinton JA, Hofmann W, Hoischen C, Holch TL, Holler M, Horbe M, Horns D, Huang Z, Huber D, Jamrozy M, Jankowsky D, Jankowsky F, Jardin-Blicq A, Joshi , Jung-Richardt , Kasai E, Kastendieck MA, Katarzynski K, Katz U, Khangulyan D, Khelifi B, Klepser S, Kluzniak W, Komin N, Konno R, Kosack K, Kostunin D, Kreter M, Mezek GK, Kundu A, Lamanna G, Lemiere A, Lemoine-Goumard M, Lenain JP, Le Stum S, Leuschner F, Levy C, Lohse T, Luashvili A, Lypova , Mackey J, Majumdar J, Malyshev D, Marandon , Marchegiani P, Marcowith A, Mares A, Marti-Devesa G, Marx R, Maurin G, Meintjes PJ, Meyer M, Mitchell A, Moderski R, Mohrmann L, Montanari A, Moore C, Morris P, Moulin E, Muller J, Murach T, Nakashima K, Nayerhoda A, De Naurois M, Ndiyavala H, Niemiec J, Oakes L, O'Brien P, Odaka H, Ohm S, Olivera-Nieto L, Wilhelmi EDO, Ostrowski M, Panny S, Panter M, Parsons RD, Peron G, Peyaud B, Piel Q, Pita S, Poireau , Noel AP, Prokhorov DA, Prokoph H, Puehlhofer G, Punch M, Quirrenbach A, Raab S, Rauth R, Reichherzer P, Reimer A, Reimer O, Remy Q, Renaud M, Reville B, Rieger F, Rinchiuso L, Romoli C, Rowell G, Rudak B, Ricarte HR, Ruiz-Velasco E, Sahakian , Sailer S, Salzmann H, Sanchez DA, Santangelo A, Sasaki M, Schäfer J, Schussler F, Schutte HM, Schwanke U, Seglar-Arroyo M, Senniappan M, Seyffert AS, Shafi N, Shapopi JNS, Shiningayamwe K, Simoni R, Sinha A, Sol H, Spackman H, Specovius A, Spencer ST, Spir-Jacob M, Stawarz L, Sun L, Steenkamp R, Stegmann C, Steinmassl S, Steppa C, Takahashi T, Tanaka T, Tavernier T, Taylor AM, Terrier R, Thiersen JHE, Thorpe-Morgan C, Tiziani D, Tluczykont M, Tomankova L, Trichard C, Tsirou M, Tsuji N, Tuffs R, Uchiyama Y, Van Der Walt DJ, van Eldik C, Van Rensburg C, Van Soelen B, Vasileiadis G, Veh J, Venter C, Vincent P, Vink J, Voelk HJ, Wadiasingh Z, Wagner SJ, Watson J, Werner F, White R, Wierzcholska A, Dewilt P, Wong YW, Yassin H, Yusafzai A, Zacharias M, Zanin R, Zargaryan D, Zdziarski AA, Zech A, Zhu SJ, Zorn J, Zouari S, Zywucka N (2021)
Publication Type: Journal article
Publication year: 2021
Book Volume: 919
Journal Issue: 2
Magnetar hyperflares are the most plausible explanation for fast radio bursts (FRBs)-enigmatic powerful radio pulses with durations of several milliseconds and high brightness temperatures. The first observational evidence for this scenario was obtained in 2020 April when an FRB was detected from the direction of the Galactic magnetar and soft gamma-ray repeater SGR 1935+2154. The FRB was preceded by two gamma-ray outburst alerts by the BAT instrument aboard the Swift satellite, which triggered follow-up observations by the High Energy Stereoscopic System (H.E.S.S.). H.E.S.S. observed SGR 1935+2154 for 2 hr on 2020 April 28. The observations are coincident with X-ray bursts from the magnetar detected by INTEGRAL and Fermi-GBM, thus providing the first very high energy gamma-ray observations of a magnetar in a flaring state. High-quality data acquired during these follow-up observations allow us to perform a search for short-time transients. No significant signal at energies E > 0.6 TeV is found, and upper limits on the persistent and transient emission are derived. We here present the analysis of these observations and discuss the obtained results and prospects of the H.E.S.S. follow-up program for soft gamma-ray repeaters.
APA:
Abdalla, H., Aharonian, F., Mitchell, A., Spencer, S., Benkhali, F.A., Anguner, E.O.,... Zywucka, N. (2021). Searching for TeV Gamma-Ray Emission from SGR 1935+2154 during Its 2020 X-Ray and Radio Bursting Phase. Astrophysical Journal, 919(2). https://dx.doi.org/10.3847/1538-4357/ac0fe1
MLA:
Abdalla, H., et al. "Searching for TeV Gamma-Ray Emission from SGR 1935+2154 during Its 2020 X-Ray and Radio Bursting Phase." Astrophysical Journal 919.2 (2021).
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