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PG 1553+113 :
PG 1553+113 : FIVE YEARS OF OBSERVATIONS WITH MAGIC
- Article/chapterEnglish2012
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LIBRIS-ID:oai:DiVA.org:su-76153
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https://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-76153URI
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https://doi.org/10.1088/0004-637X/748/1/46DOI
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Language:English
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Summary in:English
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Subject category:ref swepub-contenttype
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Subject category:art swepub-publicationtype
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158
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We present the results of five years (2005-2009) of MAGIC observations of the BL Lac object PG 1553+113 at very high energies (VHEs; E > 100 GeV). Power-law fits of the individual years are compatible with a steady mean photon index Gamma = 4.27 +/- 0.14. In the last three years of data, the flux level above 150 GeV shows a clear variability (probability of constant flux < 0.001%). The flux variations are modest, lying in the range from 4% to 11% of the Crab Nebula flux. Simultaneous optical data also show only modest variability that seems to be correlated with VHE gamma-ray variability. We also performed a temporal analysis of (all available) simultaneous Fermi/Large Area Telescope data of PG 1553+113 above 1 GeV, which reveals hints of variability in the 2008-2009 sample. Finally, we present a combination of the mean spectrum measured at VHEs with archival data available for other wavelengths. The mean spectral energy distribution can be modeled with a one-zone synchrotron self-Compton model, which gives the main physical parameters governing the VHE emission in the blazar jet.
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Alvarez, E. A.
(author)
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Antonelli, L. A.
(author)
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Antoranz, P.
(author)
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Asensio, M.
(author)
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Backes, M.
(author)
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Barrio, J. A.
(author)
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Bastieri, D.
(author)
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Becerra Gonzalez, J.
(author)
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Bednarek, W.
(author)
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Berdyugin, A.
(author)
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Berger, K.
(author)
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Bernardini, E.
(author)
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Biland, A.
(author)
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Blanch, O.
(author)
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Bock, R. K.
(author)
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Boller, A.
(author)
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Bonnoli, G.
(author)
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Tridon, D. Borla
(author)
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Braun, I.
(author)
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Bretz, T.
(author)
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Canellas, A.
(author)
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Carmona, E.
(author)
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Carosi, A.
(author)
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Colin, P.
(author)
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Colombo, E.
(author)
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Contreras, J. L.
(author)
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Cortina, J.
(author)
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Cossio, L.
(author)
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Covino, S.
(author)
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Dazzi, F.
(author)
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De Angelis, A.
(author)
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De Caneva, G.
(author)
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De Cea del Pozo, E.
(author)
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De Lotto, B.
(author)
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Delgado Mendez, C.
(author)
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Diago Ortega, A.
(author)
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Doert, M.
(author)
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Dominguez, A.
(author)
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Prester, D. Dominis
(author)
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Dorner, D.
(author)
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Doro, M.
(author)
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Elsaesser, D.
(author)
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Ferenc, D.
(author)
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Fonseca, M. V.
(author)
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Font, L.
(author)
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Fruck, C.
(author)
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Garcia Lopez, R. J.
(author)
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Garczarczyk, M.
(author)
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Garrido, D.
(author)
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Giavitto, G.
(author)
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Godinovic, N.
(author)
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Hadasch, D.
(author)
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Haefner, D.
(author)
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Herrero, A.
(author)
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Hildebrand, D.
(author)
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Ohne-Moench, D. H.
(author)
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Hose, J.
(author)
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Hrupec, D.
(author)
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Huber, B.
(author)
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Jogler, T.
(author)
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Kellermann, H.
(author)
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Klepser, S.
(author)
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Kraehenbuehl, T.
(author)
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Krause, J.
(author)
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La Barbera, A.
(author)
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Lelas, D.
(author)
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Leonardo, E.
(author)
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Lindfors, E.
(author)
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Lombardi, S.
(author)
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Lopez, M.
(author)
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Lopez-Oramas, A.
(author)
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Lorenz, E.
(author)
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Makariev, M.
(author)
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Maneva, G.
(author)
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Mankuzhiyil, N.
(author)
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Mannheim, K.
(author)
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Maraschi, L.
(author)
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Mariotti, M.
(author)
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Martinez, M.
(author)
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Mazin, D.
(author)
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Meucci, M.
(author)
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Miranda, J. M.
(author)
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Mirzoyan, R.
(author)
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Miyamoto, H.
(author)
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Moldon, J.
(author)
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Moralejo, A.
(author)
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Munar-Adrover, P.
(author)
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Nieto, D.
(author)
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Nilsson, K.
(author)
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Orito, R.
(author)
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Oya, I.
(author)
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Paneque, D.
(author)
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Paoletti, R.
(author)
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Pardo, S.
(author)
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Paredes, J. M.
(author)
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Partini, S.
(author)
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Pasanen, M.
(author)
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Pauss, F.
(author)
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Perez-Torres, M. A.
(author)
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Persic, M.
(author)
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Peruzzo, L.
(author)
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Pilia, M.
(author)
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Pochon, J.
(author)
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Prada, F.
(author)
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Moroni, P. G. Prada
(author)
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Prandini, E.
(author)
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Puljak, I.
(author)
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Reichardt, I.
(author)
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Reinthal, R.
(author)
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Rhode, W.
(author)
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Ribo, M.
(author)
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Rico, J.
(author)
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Ruegamer, S.
(author)
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Saggion, A.
(author)
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Saito, K.
(author)
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Saito, T. Y.
(author)
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Salvati, M.
(author)
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Satalecka, K.
(author)
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Scalzotto, V.
(author)
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Scapin, V.
(author)
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Schultz, C.
(author)
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Schweizer, T.
(author)
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Shayduk, M.
(author)
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Shore, S. N.
(author)
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Sillanpaa, A.
(author)
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Sitarek, J.
(author)
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Sobczynska, D.
(author)
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Spanier, F.
(author)
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Spiro, S.
(author)
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Stamatescu, V.
(author)
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Stamerra, A.
(author)
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Steinke, B.
(author)
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Storz, J.
(author)
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Strah, N.
(author)
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Suric, T.
(author)
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Takalo, L.
(author)
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Takami, H.
(author)
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Tavecchio, F.
(author)
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Temnikov, P.
(author)
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Terzic, T.
(author)
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Tescaro, D.
(author)
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Teshima, M.
(author)
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Tibolla, O.
(author)
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Torres, D. F.
(author)
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Treves, A.
(author)
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Uellenbeck, M.
(author)
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Vankov, H.
(author)
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Vogler, P.
(author)
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Wagner, R. M.
(author)
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Weitzel, Q.
(author)
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Zabalza, V.
(author)
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Zandanel, F.
(author)
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Zanin, R.
(author)
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Buson, S.
(author)
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Horan, D.
(author)
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Larsson, StefanStockholms universitet,Institutionen för astronomi(Swepub:su)slars
(author)
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D'Ammando, F.
(author)
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Stockholms universitetInstitutionen för astronomi
(creator_code:org_t)
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In:Astrophysical Journal748:1, s. 46-0004-637X1538-4357
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- By the author/editor
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Aleksic, J.
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Alvarez, E. A.
-
Antonelli, L. A.
-
Antoranz, P.
-
Asensio, M.
-
Backes, M.
-
show more...
-
Barrio, J. A.
-
Bastieri, D.
-
Becerra Gonzalez ...
-
Bednarek, W.
-
Berdyugin, A.
-
Berger, K.
-
Bernardini, E.
-
Biland, A.
-
Blanch, O.
-
Bock, R. K.
-
Boller, A.
-
Bonnoli, G.
-
Tridon, D. Borla
-
Braun, I.
-
Bretz, T.
-
Canellas, A.
-
Carmona, E.
-
Carosi, A.
-
Colin, P.
-
Colombo, E.
-
Contreras, J. L.
-
Cortina, J.
-
Cossio, L.
-
Covino, S.
-
Dazzi, F.
-
De Angelis, A.
-
De Caneva, G.
-
De Cea del Pozo, ...
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De Lotto, B.
-
Delgado Mendez, ...
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Diago Ortega, A.
-
Doert, M.
-
Dominguez, A.
-
Prester, D. Domi ...
-
Dorner, D.
-
Doro, M.
-
Elsaesser, D.
-
Ferenc, D.
-
Fonseca, M. V.
-
Font, L.
-
Fruck, C.
-
Garcia Lopez, R. ...
-
Garczarczyk, M.
-
Garrido, D.
-
Giavitto, G.
-
Godinovic, N.
-
Hadasch, D.
-
Haefner, D.
-
Herrero, A.
-
Hildebrand, D.
-
Ohne-Moench, D. ...
-
Hose, J.
-
Hrupec, D.
-
Huber, B.
-
Jogler, T.
-
Kellermann, H.
-
Klepser, S.
-
Kraehenbuehl, T.
-
Krause, J.
-
La Barbera, A.
-
Lelas, D.
-
Leonardo, E.
-
Lindfors, E.
-
Lombardi, S.
-
Lopez, M.
-
Lopez-Oramas, A.
-
Lorenz, E.
-
Makariev, M.
-
Maneva, G.
-
Mankuzhiyil, N.
-
Mannheim, K.
-
Maraschi, L.
-
Mariotti, M.
-
Martinez, M.
-
Mazin, D.
-
Meucci, M.
-
Miranda, J. M.
-
Mirzoyan, R.
-
Miyamoto, H.
-
Moldon, J.
-
Moralejo, A.
-
Munar-Adrover, P ...
-
Nieto, D.
-
Nilsson, K.
-
Orito, R.
-
Oya, I.
-
Paneque, D.
-
Paoletti, R.
-
Pardo, S.
-
Paredes, J. M.
-
Partini, S.
-
Pasanen, M.
-
Pauss, F.
-
Perez-Torres, M. ...
-
Persic, M.
-
Peruzzo, L.
-
Pilia, M.
-
Pochon, J.
-
Prada, F.
-
Moroni, P. G. Pr ...
-
Prandini, E.
-
Puljak, I.
-
Reichardt, I.
-
Reinthal, R.
-
Rhode, W.
-
Ribo, M.
-
Rico, J.
-
Ruegamer, S.
-
Saggion, A.
-
Saito, K.
-
Saito, T. Y.
-
Salvati, M.
-
Satalecka, K.
-
Scalzotto, V.
-
Scapin, V.
-
Schultz, C.
-
Schweizer, T.
-
Shayduk, M.
-
Shore, S. N.
-
Sillanpaa, A.
-
Sitarek, J.
-
Sobczynska, D.
-
Spanier, F.
-
Spiro, S.
-
Stamatescu, V.
-
Stamerra, A.
-
Steinke, B.
-
Storz, J.
-
Strah, N.
-
Suric, T.
-
Takalo, L.
-
Takami, H.
-
Tavecchio, F.
-
Temnikov, P.
-
Terzic, T.
-
Tescaro, D.
-
Teshima, M.
-
Tibolla, O.
-
Torres, D. F.
-
Treves, A.
-
Uellenbeck, M.
-
Vankov, H.
-
Vogler, P.
-
Wagner, R. M.
-
Weitzel, Q.
-
Zabalza, V.
-
Zandanel, F.
-
Zanin, R.
-
Buson, S.
-
Horan, D.
-
Larsson, Stefan
-
D'Ammando, F.
-
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