MAGIC gamma-ray and multifrequency observations of flat spectrum radio quasar PKS 1510-089 in early 2012

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Marscher (43) M.A. Gurwell (45) V.M.Larionov (46 47 48) D.A.Blinov (49 46) T.S.Konstantinova (46) E.N.Kopatskaya (46) L.V.Larionova (46) E.G.Larionova (46) D.A.Morozova (46) I.S.Troitsky (46) A.A.Mokrushina (46) Yu.V.Pavlova (46) W.P.Chen (50) H.C.Lin (50) N.Panwar (50) I.Agudo (51 52 43) C.Casadio (51) J.L.G\'omez (51) S.N.Molina (51) O.M.Kurtanidze (53 54 55) M.G.Nikolashvili (53) S.O.Kurtanidze (53) R.A.Chigladze (53) J.A.Acosta-Pulido (56 57) M.I.Carnerero (38 56 A.Manilla-Robles (57) E.Ovcharov (58) V.Bozhilov (58) I.Metodieva (58) M.F.Aller (59) H.D.Aller (59) L.Fuhrmann (60) E.Angelakis (60) I.Nestoras (60) T.P.Krichbaum (60) J.A.Zensus (60) H.Ungerechts (61) A.Sievers (61) D.Riquelme (61) (1 IFAE Campus UAB E-08193 Bellaterra Spain 2 Universita di Udine INFN Trieste I-33100 Udine Italy 3 INAF National Institute for Astrophysics I-00136 Rome 4 Universita di Siena INFN Pisa I-53100 Siena 5 Croatian MAGIC Consortium Rudjer Boskovic Institute University of Rijeka University of Split HR-10000 Zagreb Croatia 6 Max-Planck-Institut fur Physik D-80805 Munchen Germany 7 Universidad Complutense E-28040 Madrid 8 Inst. de Astrofisica de Canarias E-38200 La Laguna Tenerife 9 University of Lodz PL-90236 Lodz Poland 10 Deutsches Elektronen-Synchrotron (DESY) D-15738 Zeuthen 11 ETH Zurich CH-8093 Zurich Switzerland 12 Universitat Wurzburg D-97074 Wurzburg 13 Centro de Investigaciones Energeticas Medioambientales y Tecnologicas 14 Technische Universitat Dortmund D-44221 Dortmund 15 Inst. de Astrofisica de Andalucia (CSIC) E-18080 Granada 16 Universita di Padova INFN I-35131 Padova 17 Universita dell Insubria Como I-22100 Como 18 Unitat de Fisica de les Radiacions Departament de F{\i}sica CERES-IEEC Universitat Autonoma de Barcelona 19 Institut de Ciencies del Espai (IEEC-CSIC) 20 Japanese MAGIC Consortium Division of Physics Astronomy Kyoto University Japan 21 Finnish MAGIC Consortium Tuorla Observatory University of Turku Department of Physics University of Oulu Finland 22 Inst. for Nucl. Research Nucl. Energy BG-1784 Sofia Bulgaria 23 Universitat de Barcelona ICC IEEC-UB E-08028 Barcelona 24 Universita di Pisa I-56126 Pisa 25 now at: NASA Goddard Space Flight Center Greenbelt MD 20771 USA Department of Astronomy University of Maryland College Park MD 20742 26 now at: Ecole polytechnique federale de Lausanne (EPFL) Lausanne 27 now at: Department of Physics & Astronomy UC Riverside CA 92521 USA 28 now at: Finnish Centre for Astronomy with ESO (FINCA) Turku 29 also at INAF-Trieste 30 also at Instituto de Fisica Teorica UAM/CSIC E-28049 Madrid 31 now at: Stockholm University Oskar Klein Centre for Cosmoparticle Physics SE-106 91 Stockholm Sweden 32 now at GRAPPA Institute University of Amsterdam 1098XH Amsterdam Netherlands 33 Dipartimento di Fisica Universit degli Studi di Perugia Via A. Pascoli I-06123 Perugia 34 ASI Science Data Centre (ASDC) via del Politecnico snc 00133 Roma INAF-OAR Via Frascati 33 I00040 Monte Porzio Catone (RM) 35 INAF-IASF Palermo Via Ugo La Malfa 153 90146 Palermo 36 Astrophysics Research Institute Liverpool John Moores University Twelve Quays House Egerton Wharf Birkenhead CH41 1LD UK 37 Tuorla Observatory 38 INAF-Osservatorio Astrofisico di Torino 39 Aalto University Metsahovi Radio Observatory Metsahovintie 114 02540 Kylmala 40 Aalto University Department of Radio Science Engineering Espoo 41 Cahill Center for Astronomy & Astrophysics Caltech 1200 E. California Blvd Pasadena CA 91125 U.S.A. 42 Department of Physics Purdue University 525 Northwestern Ave West Lafayette IN 47907 43 Institute for Astrophysical Research Boston University U.S.A 44 INAF-IRA Bologna 45 Harvard-Smithsonian Center for Astrophysics Cambridge MA 02138 USA 46 Astron. Inst. St.-Petersburg State Univ. Russia 47 Pulkovo Observatory St.-Petersburg 48 Isaac Newton Institute of Chile St.-Petersburg Branch 49 University of Crete Heraklion Greece 50 Graduate Institute of Astronomy National Central University 300 Jhongda Rd. Jhongli 32001 Taiwan 51 Joint Institute for VLBI in Europe Postbus 2 NL-7990 AA Dwingeloo The Netherlands 52 Instituto de Astrofisica de Andalucia CSIC Apartado 3004 18080 Granada Spain 53 Abastumani Observatory Mt. Kanobili 0301 Abastumani Georgia 54 Landessternwarte Zentrum fur Astronomie der Universitat Heidelberg Konigstuhl 12 69117 Heidelberg 55 Engelhardt Astronomical Observatory Kazan Federal University Tatarstan 56 Instituto de Astrofisica de Canarias (IAC) La Laguna 57 Departamento de Astrofisica Universidad de La Laguna 58 Sofia University 59 Department of Astronomy University of Michigan 817 Dennison Bldg. Ann Arbor MI 48109-1042 60 Max-Planck-Institut fur Radioastronomie Auf dem Huegel 69 53121 Bonn 61 Institut de Radio Astronomie Millimetrique Avenida Divina Pastora 7 Local 20 18012 Granada Spain 62 Institute of Space Astronautical Science JAXA 3-1-1 Yoshinodai Chuo-ku Sagamihara Kanagawa 252-5210 63 Astronomical Observatory Jagiellonian University 30-244 Krakow correspondence to: E. Lindfors (elilin@utu.fi) F. Tavecchio (fabrizio.tavecchio@brera.inaf.it) K. Saito (ksaito@icrr.utokyo.ac.jp) J.Sitarek (jsitarek@ifae.es) G. De Caneva (gessica.de.caneva@desy.de))