First detection of VHE gamma-ray emission from TXS 1515–273, study of its X-ray variability and spectral energy distribution

ABSTRACT We report here on the first multiwavelength (MWL) campaign on the blazar TXS 1515–273, undertaken in 2019 and extending from radio to very-high-energy gamma-rays (VHE). Up until now, this blazar had not been the subject of any detailed MWL observations. It has a rather hard photon index at...

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Veröffentlicht in:	Monthly notices of the Royal Astronomical Society 2021-10, Vol.507 (1), p.1528-1545
Hauptverfasser:	Acciari, V A, Antonelli, L A, Artero, M, Asano, K, Baack, D, Barrio, J A, Batković, I, Becerra González, J, Bellizzi, L, Bernardini, E, Berti, A, Bošnjak, Ž, Carosi, R, Chilingarian, A, Colak, S M, Colombo, E, Cortina, J, D’Elia, V, Dazzi, F, De Lotto, B, Delgado, J, Delgado Mendez, C, Depaoli, D, Venere, L Di, Donini, A, Doro, M, Elsaesser, D, Fruck, C, Fukami, S, García López, R J, Garczarczyk, M, Gasparyan, S, Gaug, M, Gliwny, P, Heckmann, L, Herrera, J, Hrupec, D, Hütten, M, Ishio, K, Iwamura, Y, Jiménez, I, Jouvin, L, Kajiwara, Y, Kerszberg, D, Kobayashi, Y, Kushida, J, Lamastra, A, Leone, F, Lindfors, E, Lombardi, S, Longo, F, López-Coto, R, López-Moya, M, López-Oramas, A, Maggio, C, Majumdar, P, Makariev, M, Maraschi, L, Menchiari, S, Mender, S, Miceli, D, Miener, T, Minev, M, Moretti, E, Nigro, C, Nilsson, K, Nishijima, K, Noda, K, Ohtani, Y, Otero-Santos, J, Pavletić, L, Persic, M, Prandini, E, Priyadarshi, C, Puljak, I, Saha, L, Sahakyan, N, Satalecka, K, Saturni, F G, Schleicher, B, Sitarek, J, Spolon, A, Stamerra, A, Strom, D, Surić, T, Takahashi, M, Temnikov, P, Tosti, L, Tutone, A, van Scherpenberg, J, Vanzo, G, Vazquez Acosta, M, Vigorito, C F, Vitale, V, Vovk, I, Wunderlich, C, Zarić, D, Bissaldi, E, Cutini, S, Nabizadeh, A
Format:	Artikel
Sprache:	eng
Schlagworte:	Astronomy & Astrophysics Blazars Crab nebula Extreme values Gamma emission Gamma rays Particle decay Peak frequency Physical Sciences Radio emission Science & Technology Soft x rays Spectral energy distribution X-ray astronomy
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