MAGIC detection of very high energy gamma-ray emission from the low-luminosity 
blazar 1ES 1741+196

Ahnen, M. L.; Ansoldi, S.; Antonelli, L. A.; Antoranz, P.; Arcaro, C.; Babic, A.; Banerjee, B.; Bangale, P.; Barres de Almeida, U.; Barrio, J. A.; Bednarek, W.; Bernardini, E.; Berti, A.; Biasuzzi, B.; Biland, A.; Blanch, O.; Bonnefoy, S.; Bonnoli, G.; Borracci, F.; Bretz, T.; Buson, S.; Carosi, A.; Chatterjee, A.; Clavero, R.; Colin, P.; Colombo, E.; Contreras, J. L.; Cortina, J.; Covino, S.; Da Vela, P.; Dazzi, F.; De Angelis, A.; De Lotto, B.; de Ona Wilhelmi, E.; Di Pierro, F.; Doert, M.; Dominguez, A.; Prester, D. Dominis; Dorner, D.; Doro, M.; Einecke, S.; Glawion, D. Eisenacher; Elsaesser, D.; Engelkemeier, M.; Ramazani, V. Fallah; Fernandez-Barral, A.; Fidalgo, D.; Fonseca, M. V.; Font, L.; Frantzen, K.; Fruck, C.; Galindo, D.; Garcia Lopez, R. J.; Garczarczyk, M.; Garrido Terrats, D.; Gaug, M.; Giammaria, P.; Godinovic, N.; Gora, D.; Guberman, D.; Hadasch, D.; Hahn, A.; Hayashida, M.; Herrera, J.; Hose, J.; Hrupec, D.; Hughes, G.; Idec, W.; Kodani, K.; Konno, Y.; Kubo, H.; Kushida, J.; La Barbera, A.; Lelas, D.; Lindfors, E.; Lombardi, S.; Longo , F.; Lopez, M.; Lopez Coto, R.; Majumdar, P.; Makariev, M.; Mallot, K.; Maneva, G.; Manganaro, M.; Mankuzhiyil, N.; Mannheim, K.; Maraschi, L.; Marcote, B.; Mariotti, M.; Martinez, M.; Mazin, D.; Menzel, U.; Miranda, J. M.; Mirzoyan, R.; Moralejo, A.; Moretti, E.; Nakajima, D.; Neustroev, V.; Niedzwiecki, A.; Nievas Rosillo, M.; Nilsson, K.; Nishijima, K.; Noda, K.; Nogues, L.; Paiano, S.; Palacio, J.; Palatiello, M.; Paneque, D.; Paoletti, R.; Paredes, J. M.; Paredes-Fortuny, X.; Pedaletti, G.; Peresano, M.; Perri, L.; Persic, M.; Poutanen, J.; Moroni, P. G. Prada; Prandini, E.; Puljak, I.; Garcia, J. R.; Reichardt, I.; Rhode, W.; Ribo, M.; Rico, J.; Saito, T.; Satalecka, K.; Schroeder, S.; Schweizer, T.; Shore, S. N.; Sillanpaa, A.; Sitarek, J.; Snidaric, I.; Sobczynska, D.; Stamerra, A.; Strzys, M.; Suric, T.; Takalo, L.; Takami, H.; Tavecchio, F.; Temnikov, P.; Terzic, T.; Tescaro, D.; Teshima, M.; Torres, D. F.; Toyama, T.; Treves, A.; Vanzo, G.; Verguilov, V.; Vovk, I.; Ward, J. E.; Will, M.; Wu, M. H.; Zanin, R.; Becerra Gonzalez, J.; Rani, B.; Krauss, F.; Perri, M.; Verrecchia, F.; Reinthal, R.

doi:10.1093/mnras/stx472

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MAGIC detection of very high energy gamma-ray emission from the low-luminosity blazar 1ES 1741+196

Ahnen, M. L., Ansoldi, S., Antonelli, L. A., Antoranz, P., Arcaro, C., Babic, A., et al. (2017). MAGIC detection of very high energy gamma-ray emission from the low-luminosity blazar 1ES 1741+196. Monthly Notices of the Royal Astronomical Society, 468(2), 1534-1541. doi:10.1093/mnras/stx472.

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Item Permalink: https://hdl.handle.net/21.11116/0000-0000-FE68-E Version Permalink: https://hdl.handle.net/21.11116/0000-0000-FE69-D

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Ahnen, M. L.¹, Author
Ansoldi, S.¹, Author
Antonelli, L. A.¹, Author
Antoranz, P.¹, Author
Arcaro, C.¹, Author
Babic, A.¹, Author
Banerjee, B.¹, Author
Bangale, P.¹, Author
Barres de Almeida, U.¹, Author
Barrio, J. A.¹, Author
Bednarek, W.¹, Author
Bernardini, E.¹, Author
Berti, A.¹, Author
Biasuzzi, B.¹, Author
Biland, A.¹, Author
Blanch, O.¹, Author
Bonnefoy, S.¹, Author
Bonnoli, G.¹, Author
Borracci, F.¹, Author
Bretz, T.¹, Author
Buson, S.¹, AuthorCarosi, A.¹, AuthorChatterjee, A.¹, AuthorClavero, R.¹, AuthorColin, P.¹, AuthorColombo, E.¹, AuthorContreras, J. L.¹, AuthorCortina, J.¹, AuthorCovino, S.¹, AuthorDa Vela, P.¹, AuthorDazzi, F.¹, AuthorDe Angelis, A.¹, AuthorDe Lotto, B.¹, Authorde Ona Wilhelmi, E.¹, AuthorDi Pierro, F.¹, AuthorDoert, M.¹, AuthorDominguez, A.¹, AuthorPrester, D. Dominis¹, AuthorDorner, D.¹, AuthorDoro, M.¹, AuthorEinecke, S.¹, AuthorGlawion, D. Eisenacher¹, AuthorElsaesser, D.¹, AuthorEngelkemeier, M.¹, AuthorRamazani, V. Fallah¹, AuthorFernandez-Barral, A.¹, AuthorFidalgo, D.¹, AuthorFonseca, M. V.¹, AuthorFont, L.¹, AuthorFrantzen, K.¹, AuthorFruck, C.¹, AuthorGalindo, D.¹, AuthorGarcia Lopez, R. J.¹, AuthorGarczarczyk, M.¹, AuthorGarrido Terrats, D.¹, AuthorGaug, M.¹, AuthorGiammaria, P.¹, AuthorGodinovic, N.¹, AuthorGora, D.¹, AuthorGuberman, D.¹, AuthorHadasch, D.¹, AuthorHahn, A.¹, AuthorHayashida, M.¹, AuthorHerrera, J.¹, AuthorHose, J.¹, AuthorHrupec, D.¹, AuthorHughes, G.¹, AuthorIdec, W.¹, AuthorKodani, K.¹, AuthorKonno, Y.¹, AuthorKubo, H.¹, AuthorKushida, J.¹, AuthorLa Barbera, A.¹, AuthorLelas, D.¹, AuthorLindfors, E.¹, AuthorLombardi, S.¹, AuthorLongo , F.¹, AuthorLopez, M.¹, AuthorLopez Coto, R.², Author Majumdar, P.¹, AuthorMakariev, M.¹, AuthorMallot, K.¹, AuthorManeva, G.¹, AuthorManganaro, M.¹, AuthorMankuzhiyil, N.¹, AuthorMannheim, K.¹, AuthorMaraschi, L.¹, AuthorMarcote, B.¹, AuthorMariotti, M.¹, AuthorMartinez, M.¹, AuthorMazin, D.¹, AuthorMenzel, U.¹, AuthorMiranda, J. M.¹, AuthorMirzoyan, R.¹, AuthorMoralejo, A.¹, AuthorMoretti, E.¹, AuthorNakajima, D.¹, AuthorNeustroev, V.¹, AuthorNiedzwiecki, A.¹, AuthorNievas Rosillo, M.¹, AuthorNilsson, K.¹, AuthorNishijima, K.¹, AuthorNoda, K.¹, AuthorNogues, L.¹, AuthorPaiano, S.¹, AuthorPalacio, J.¹, AuthorPalatiello, M.¹, AuthorPaneque, D.¹, AuthorPaoletti, R.¹, AuthorParedes, J. M.¹, AuthorParedes-Fortuny, X.¹, AuthorPedaletti, G.¹, AuthorPeresano, M.¹, AuthorPerri, L.¹, AuthorPersic, M.¹, AuthorPoutanen, J.¹, AuthorMoroni, P. G. Prada¹, AuthorPrandini, E.¹, AuthorPuljak, I.¹, AuthorGarcia, J. R.¹, AuthorReichardt, I.¹, AuthorRhode, W.¹, AuthorRibo, M.¹, AuthorRico, J.¹, AuthorSaito, T.¹, AuthorSatalecka, K.¹, AuthorSchroeder, S.¹, AuthorSchweizer, T.¹, AuthorShore, S. N.¹, AuthorSillanpaa, A.¹, AuthorSitarek, J.¹, AuthorSnidaric, I.¹, AuthorSobczynska, D.¹, AuthorStamerra, A.¹, AuthorStrzys, M.¹, AuthorSuric, T.¹, AuthorTakalo, L.¹, AuthorTakami, H.¹, AuthorTavecchio, F.¹, AuthorTemnikov, P.¹, AuthorTerzic, T.¹, AuthorTescaro, D.¹, AuthorTeshima, M.¹, AuthorTorres, D. F.¹, AuthorToyama, T.¹, AuthorTreves, A.¹, AuthorVanzo, G.¹, AuthorVerguilov, V.¹, AuthorVovk, I.¹, AuthorWard, J. E.¹, AuthorWill, M.¹, AuthorWu, M. H.¹, AuthorZanin, R.¹, AuthorBecerra Gonzalez, J.¹, AuthorRani, B.¹, AuthorKrauss, F.¹, AuthorPerri, M.¹, AuthorVerrecchia, F.¹, AuthorReinthal, R.¹, Author more..

Affiliations:
1external, ou_persistent22
2Division Prof. Dr. James A. Hinton, MPI for Nuclear Physics, Max Planck Society, ou_2074298

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Abstract: We present the first detection of the nearby (z = 0.084) low-luminosity BL Lac object 1ES 1741+196 in the very high energy (E > 100 GeV) band. This object lies in a triplet of interacting galaxies. Early predictions had suggested 1ES 1741+196 to be, along with several other high-frequency BL Lac sources, within the reach of MAGIC detectability. Its detection by MAGIC, later confirmed by VERITAS, helps to expand the small population of known TeV BL Lacs. The source was observed with the MAGIC telescopes between 2010 April and 2011 May, collecting 46 h of good quality data. These observations led to the detection of the source at 6.0 s confidence level, with a steady flux F(> 100 GeV) = (6.4 +/- 1.7(stat) +/- 2.6(syst)) x 10-12 ph cm(-2)s(-1) and a differential spectral photon index Gamma = 2.4 +/- 0.2(stat) +/- 0.2(syst) in the range of similar to 80 GeV-3 TeV. To study the broad-band spectral energy distribution (SED) simultaneous with MAGIC observations, we use KVA, Swift/UVOT and XRT and Fermi/LAT data. One-zone synchrotron-self-Compton (SSC) modelling of the SED of 1ES 1741+196 suggests values for the SSC parameters that are quite common among known TeV BL Lacs except for a relatively low Doppler factor and slope of electron energy distribution. A thermal feature seen in the SED is well matched by a giant elliptical's template. This appears to be the signature of thermal emission from the host galaxy, which is clearly resolved in optical observations.

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Dates: Date issued: 2017

Publication Status: Issued

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Identifiers: DOI: 10.1093/mnras/stx472

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Title: Monthly Notices of the Royal Astronomical Society

Other : Mon. Not. R. Astron. Soc.

Source Genre: Journal

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Publ. Info: Oxford : Oxford University Press

Pages: - Volume / Issue: 468 (2) Sequence Number: - Start / End Page: 1534 - 1541 Identifier: ISSN: 1365-8711
CoNE: https://pure.mpg.de/cone/journals/resource/1000000000024150