TY - JOUR
T1 - MAGIC detection of Geminga
T2 - an Inverse Compton tail?
AU - Acciari, V. A.
AU - Ansoldi, S.
AU - Antonelli, L. A.
AU - Arbet Engels, A.
AU - Artero, M.
AU - Asano, K.
AU - Baack, D.
AU - Babić, A.
AU - Baquero, A.
AU - Barres de Almeida, U.
AU - Barrio, J. A.
AU - Batković, I.
AU - Becerra González, J.
AU - Bednarek, W.
AU - Bellizzi, L.
AU - Bernardini, E.
AU - Bernardos, M.
AU - Berti, A.
AU - Besenrieder, J.
AU - Bhattacharyya, W.
AU - Bigongiari, C.
AU - Biland, A.
AU - Blanch, O.
AU - Bökenkamp, H.
AU - Bonnoli, G.
AU - Bošnjak,
AU - Busetto, G.
AU - Carosi, R.
AU - Ceribella, Giovanni
AU - Cerruti, M.
AU - Chai, Y.
AU - Chilingarian, A.
AU - Cikota, S.
AU - Colak, S. M.
AU - Colombo, E.
AU - Contreras, J. L.
AU - Cortina, J.
AU - Covino, S.
AU - D'Amico, G.
AU - D'Elia, V.
AU - Da Vela, P.
AU - Dazzi, F.
AU - Delfino, M.
AU - Doro, M.
AU - Font, L.
AU - Gaug, M.
AU - Hadasch, D.
AU - Maggio, C.
AU - Moreno, V.
AU - Nigro, C.
AU - Paiano, S.
AU - Ubach, S.
N1 - Publisher Copyright:
© Copyright owned by the author(s) under the terms of the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License (CC BY-NC-ND 4.0)
PY - 2022/3/18
Y1 - 2022/3/18
N2 - We report the detection of pulsed emission from the Geminga pulsar (PSR J0633+1746) with the MAGIC telescopes. After the Crab and Vela pulsars, Geminga is the third pulsar detected in the very-high-energy domain, and its estimated age of 340 ky makes it the oldest one. The spectrum derived by MAGIC extends from 15 GeV to 75 GeV and can be modeled by a power-law function with spectral index Γ = 5.62 ± 0.54. Joint fits to MAGIC and Fermi-LAT data disfavour the existence of a sub-exponential cut-off in this energy range. Our results are discussed in the framework of the outer gap pulsar model. The measured power-law emission can be interpreted as the transition from curvature radiation to inverse Compton (IC) scattering of charges accelerated in the northern outer gap. The IC component is expected to continue towards higher energies. These results have been published in Acciari et al. 2020 [1].
AB - We report the detection of pulsed emission from the Geminga pulsar (PSR J0633+1746) with the MAGIC telescopes. After the Crab and Vela pulsars, Geminga is the third pulsar detected in the very-high-energy domain, and its estimated age of 340 ky makes it the oldest one. The spectrum derived by MAGIC extends from 15 GeV to 75 GeV and can be modeled by a power-law function with spectral index Γ = 5.62 ± 0.54. Joint fits to MAGIC and Fermi-LAT data disfavour the existence of a sub-exponential cut-off in this energy range. Our results are discussed in the framework of the outer gap pulsar model. The measured power-law emission can be interpreted as the transition from curvature radiation to inverse Compton (IC) scattering of charges accelerated in the northern outer gap. The IC component is expected to continue towards higher energies. These results have been published in Acciari et al. 2020 [1].
UR - http://www.scopus.com/inward/record.url?scp=85145264190&partnerID=8YFLogxK
M3 - Article
AN - SCOPUS:85145264190
SN - 1824-8039
VL - 395
JO - Proceedings of Science
JF - Proceedings of Science
M1 - 816
ER -