Time-dependent modelling of short-term variability in the TeV-blazar VER J0521+211 during the major flare in 2020

• Published in: Astronomy and astrophysics (Berlin) 2025-01
• Main Authors: Abe, S., Abhir, J., Abhishek, A., Acciari, V.A., Aguasca-Cabot, A., Agudo, I., Aniello, T., Ansoldi, S., Antonelli, L.A., Arbet Engels, A., Arcaro, C., Artero, M., Asano, K., Baack, D., Babić, A., Barres de Almeida, U., Barrio, J.A., Batković, I., Bautista, A., Baxter, J., Becerra González, J., Bednarek, W., Bernardini, E., Bernete, J., Berti, A., Besenrieder, J., Bigongiari, C., Biland, A., Blanch, O., Bonnoli, G., Bošnjak, Ž., Bronzini, E., Burelli, I., Campoy-Ordaz, A., Carosi, A., Carosi, R., Carretero-Castrillo, M., Castro-Tirado, A.J., Cerasole, D., Ceribella, G., Chai, Y., Cifuentes, A., Colombo, E., Contreras, J.L., Cortina, J., Covino, S., D'Amico, G., Délia, V., Da Vela, P., Dazzi, F., De Angelis, A., De Lotto, B., de Menezes, R., Delfino, M., Delgado, J., Delgado Mendez, C., Di Pierro, F., Di Tria, R., Di Venere, L., Dominis Prester, D., Donini, A., Dorner, D., Doro, M., Eisenberger, L., Elsaesser, D., Escudero, J., Fariña, L., Fattorini, A., Foffano, L., Font, L., Fröse, S., Fukami, S., Fukazawa, Y., García López, R.J., Garczarczyk, M., Gasparyan, S., Gaug, M., Giesbrecht Paiva, J.G., Giglietto, N., Giordano, F., Gliwny, P., Gradetzke, T., Grau, R., Green, D., Green, J.G., Günther, P., Hadasch, D., Hahn, A., Hassan, T., Heckmann, L., Herrera Llorente, J., Hrupec, D., Imazawa, R., Ishio, K., Jiménez Martínez, I., Jormanainen, J., Kankkunen, S., Kayanoki, T., Kerszberg, D., Kluge, G.W.
• Format: Article
• Language: English
• ISSN: 0004-6361; 1432-0746
• DOI: 10.1051/0004-6361/202451378

The BL Lacertae object VER J0521+211 underwent a notable flaring episode in February 2020. A short-term monitoring campaign, led by the MAGIC (Major Atmospheric Gamma Imaging Cherenkov) collaboration, covering a wide energy range from radio to very high-energy (VHE, 100 GeV $