Detection of persistent VHE gamma-ray emission from PKS 1510-089 by the MAGIC 
telescopes during low states between 2012 and 2017

MAGIC Collaboration,; Acciari, V. A.; Ansoldi, S.; Antonelli, L. A.; Arbet Engels, A.; Arcaro, C.; Baack, D.; Babić, A.; Banerjee, B.; Bangale, P.; Barres de Almeida, U.; Barrio, J. A.; Becerra González, J.; Bednarek, W.; Bernardini, E.; Berti, A.; Besenrieder, J.; Bhattacharyya, W.; Bigongiari, C.; Biland, A.; Blanch, O.; Bonnoli, G.; Carosi, R.; Ceribella, G.; Chatterjee, A.; Colak, S. M.; Colin, P.; Colombo, E.; Contreras, J. L.; Cortina, J.; Covino, S.; Cumani, P.; D'Elia, V.; Da Vela, P.; Dazzi, F.; De Angelis, A.; De Lotto, B.; Delfino, M.; Delgado, J.; Di Pierro, F.; Domínguez, A.; Dominis Prester, D.; Dorner, D.; Doro, M.; Einecke, S.; Elsaesser, D.; Fallah Ramazani, V.; Fattorini, A.; Fernández-Barral, A.; Ferrara, G.; Fidalgo, D.; Foffano, L.; Fonseca, M. V.; Font, L.; Fruck, C.; Gallozzi, S.; García López, R. J.; Garczarczyk, M.; Gaug, M.; Giammaria, P.; Godinović, N.; Guberman, D.; Hadasch, D.; Hahn, A.; Hassan, T.; Herrera, J.; Hoang, J.; Hrupec, D.; Inoue, S.; Ishio, K.; Iwamura, Y.; Kubo, H.; Kushida, J.; Kuveždić, D.; Lamastra, A.; Lelas, D.; Leone, F.; Lindfors, E.; Lombardi, S.; Longo, F.; López, M.; López-Oramas, A.; Maggio, C.; Majumdar, P.; Makariev, M.; Maneva, G.; Manganaro, M.; Mannheim, K.; Maraschi, L.; Mariotti, M.; Martínez, M.; Masuda, S.; Mazin, D.; Minev, M.; Miranda, J. M.; Mirzoyan, R.; Molina, E.; Moralejo, A.; Moreno, V.; Moretti, E.; Neustroev, V.; Niedzwiecki, A.; Nievas Rosillo, M.; Nigro, C.; Nilsson, K.; Ninci, D.; Nishijima, K.; Noda, K.; Nogués, L.; Paiano, S.; Palacio, J.; Paneque, D.; Paoletti, R.; Paredes, J. M.; Pedaletti, G.; Peñil, P.; Peresano, M.; Persic, M.; Prada Moroni, P. G.; Prandini, E.; Puljak, I.; Garcia, J. R.; Rhode, W.; Ribó, M.; Rico, J.; Righi, C.; Rugliancich, A.; Saha, L.; Saito, T.; Satalecka, K.; Schweizer, T.; Sitarek, J.; Šnidarić, I.; Sobczynska, D.; Somero, A.; Stamerra, A.; Strzys, M.; Surić, T.; Tavecchio, F.; Temnikov, P.; Terzić, T.; Teshima, M.; Torres-Albà, N.; Tsujimoto, S.; Vanzo, G.; Vazquez Acosta, M.; Vovk, I.; Ward, J. E.; Will, M.; Zarić, D.; Raiteri, C. M.; Sandrinelli, A.; Hovatta, T.; Kiehlmann, S.; Max-Moerbeck, W.; Tornikoski, M.; Lähteenmäki, A.; Tammi, J.; Ramakrishnan, V.; Thum, C.; Agudo, I.; Molina, S. N.; Gómez, J. L.; Fuentes, A.; Casadio, C.; Traianou, E.; Myserlis, I.; Kim, J. -Y.

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Detection of persistent VHE gamma-ray emission from PKS 1510-089 by the MAGIC telescopes during low states between 2012 and 2017

MAGIC Collaboration, Acciari, V. A., Ansoldi, S., Antonelli, L. A., Arbet Engels, A., Arcaro, C., et al. (2018). Detection of persistent VHE gamma-ray emission from PKS 1510-089 by the MAGIC telescopes during low states between 2012 and 2017. Astronomy & Astrophysics, (619), 159. Retrieved from https://publications.mppmu.mpg.de/?action=search&mpi=MPP-2018-377.

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Datensatz-Permalink: https://hdl.handle.net/21.11116/0000-0003-F929-7 Versions-Permalink: https://hdl.handle.net/21.11116/0000-0003-F92A-6

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MAGIC Collaboration¹, Autor
Acciari, V. A.¹, Autor
Ansoldi, S.¹, Autor
Antonelli, L. A.¹, Autor
Arbet Engels, A.¹, Autor
Arcaro, C.¹, Autor
Baack, D.¹, Autor
Babić, A.¹, Autor
Banerjee, B.¹, Autor
Bangale, P.¹, Autor
Barres de Almeida, U.¹, Autor
Barrio, J. A.¹, Autor
Becerra González, J.¹, Autor
Bednarek, W.¹, Autor
Bernardini, E.¹, Autor
Berti, A.¹, Autor
Besenrieder, J.¹, Autor
Bhattacharyya, W.¹, Autor
Bigongiari, C.¹, Autor
Biland, A.¹, Autor
Blanch, O.¹, AutorBonnoli, G.¹, AutorCarosi, R.¹, AutorCeribella, G.¹, AutorChatterjee, A.¹, AutorColak, S. M.¹, AutorColin, P.¹, AutorColombo, E.¹, AutorContreras, J. L.¹, AutorCortina, J.¹, AutorCovino, S.¹, AutorCumani, P.¹, AutorD'Elia, V.¹, AutorDa Vela, P.¹, AutorDazzi, F.¹, AutorDe Angelis, A.¹, AutorDe Lotto, B.¹, AutorDelfino, M.¹, AutorDelgado, J.¹, AutorDi Pierro, F.¹, AutorDomínguez, A.¹, AutorDominis Prester, D.¹, AutorDorner, D.¹, AutorDoro, M.¹, AutorEinecke, S.¹, AutorElsaesser, D.¹, AutorFallah Ramazani, V.¹, AutorFattorini, A.¹, AutorFernández-Barral, A.¹, AutorFerrara, G.¹, AutorFidalgo, D.¹, AutorFoffano, L.¹, AutorFonseca, M. V.¹, AutorFont, L.¹, AutorFruck, C.¹, AutorGallozzi, S.¹, AutorGarcía López, R. J.¹, AutorGarczarczyk, M.¹, AutorGaug, M.¹, AutorGiammaria, P.¹, AutorGodinović, N.¹, AutorGuberman, D.¹, AutorHadasch, D.¹, AutorHahn, A.¹, AutorHassan, T.¹, AutorHerrera, J.¹, AutorHoang, J.¹, AutorHrupec, D.¹, AutorInoue, S.¹, AutorIshio, K.¹, AutorIwamura, Y.¹, AutorKubo, H.¹, AutorKushida, J.¹, AutorKuveždić, D.¹, AutorLamastra, A.¹, AutorLelas, D.¹, AutorLeone, F.¹, AutorLindfors, E.¹, AutorLombardi, S.¹, AutorLongo, F.¹, AutorLópez, M.¹, AutorLópez-Oramas, A.¹, AutorMaggio, C.¹, AutorMajumdar, P.¹, AutorMakariev, M.¹, AutorManeva, G.¹, AutorManganaro, M.¹, AutorMannheim, K.¹, AutorMaraschi, L.¹, AutorMariotti, M.¹, AutorMartínez, M.¹, AutorMasuda, S.¹, AutorMazin, D.¹, AutorMinev, M.¹, AutorMiranda, J. M.¹, AutorMirzoyan, R.¹, AutorMolina, E.¹, AutorMoralejo, A.¹, AutorMoreno, V.¹, AutorMoretti, E.¹, AutorNeustroev, V.¹, AutorNiedzwiecki, A.¹, AutorNievas Rosillo, M.¹, AutorNigro, C.¹, AutorNilsson, K.¹, AutorNinci, D.¹, AutorNishijima, K.¹, AutorNoda, K.¹, AutorNogués, L.¹, AutorPaiano, S.¹, AutorPalacio, J.¹, AutorPaneque, D.¹, AutorPaoletti, R.¹, AutorParedes, J. M.¹, AutorPedaletti, G.¹, AutorPeñil, P.¹, AutorPeresano, M.¹, AutorPersic, M.¹, AutorPrada Moroni, P. G.¹, AutorPrandini, E.¹, AutorPuljak, I.¹, AutorGarcia, J. R.¹, AutorRhode, W.¹, AutorRibó, M.¹, AutorRico, J.¹, AutorRighi, C.¹, AutorRugliancich, A.¹, AutorSaha, L.¹, AutorSaito, T.¹, AutorSatalecka, K.¹, AutorSchweizer, T.¹, AutorSitarek, J.¹, AutorŠnidarić, I.¹, AutorSobczynska, D.¹, AutorSomero, A.¹, AutorStamerra, A.¹, AutorStrzys, M.¹, AutorSurić, T.¹, AutorTavecchio, F.¹, AutorTemnikov, P.¹, AutorTerzić, T.¹, AutorTeshima, M.¹, AutorTorres-Albà, N.¹, AutorTsujimoto, S.¹, AutorVanzo, G.¹, AutorVazquez Acosta, M.¹, AutorVovk, I.¹, AutorWard, J. E.¹, AutorWill, M.¹, AutorZarić, D.¹, AutorRaiteri, C. M.¹, AutorSandrinelli, A.¹, AutorHovatta, T.¹, AutorKiehlmann, S.¹, AutorMax-Moerbeck, W.¹, AutorTornikoski, M.¹, AutorLähteenmäki, A.¹, AutorTammi, J.¹, AutorRamakrishnan, V.¹, AutorThum, C.¹, AutorAgudo, I.¹, AutorMolina, S. N.¹, AutorGómez, J. L.¹, AutorFuentes, A.¹, AutorCasadio, C.¹, AutorTraianou, E.¹, AutorMyserlis, I.¹, AutorKim, J. -Y.¹, Autor mehr..

Affiliations:
1Max Planck Institute for Physics, Max Planck Society and Cooperation Partners, ou_2253650

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Schlagwörter: MAGIC

Zusammenfassung: PKS 1510-089 is a flat spectrum radio quasar strongly variable in the optical and GeV range. We search for low-state VHE gamma-ray emission from PKS 1510-089. We aim to characterize and model the source in a broad-band context, which would provide a baseline over which high states and flares could be better understood. We use daily binned Fermi-LAT flux measurements of PKS 1510-089 to characterize the GeV emission and select the observation periods of MAGIC during low state of activity. For the selected times we compute the average radio, IR, optical, UV, X-ray and gamma-ray emission to construct a low-state spectral energy distribution of the source. The broadband emission is modelled within an External Compton scenario with a stationary emission region through which plasma and magnetic field are flowing. We perform also the emission-model-independent calculations of the maximum absorption in the broad line region (BLR) using two different models. Results. The MAGIC telescopes collected 75 hrs of data during times when the Fermi-LAT flux measured above 1 GeV was below 3x10-8cm-2s-1, which is the threshold adopted for the definition of a low gamma-ray activity state. The data show a strongly significant (9.5{\sigma}) VHE gamma-ray emission at the level of (4.27+-0.61stat)x10-12cm-2s-1 above 150GeV, a factor 80 smaller than the highest flare observed so far from this object. Despite the lower flux, the spectral shape is consistent with earlier detections in the VHE band. The broad-band emission is compatible with the EC scenario assuming a large emission region located beyond the BLR. For the first time the gamma-ray data allow us to place a limit on the location of the emission region during a low gamma-ray state of a FSRQ. For the used model of the BLR, the 95% C.L. on the location of the emission region allows us to place it at the distance >74% of the outer radius of the BLR.