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Radio Imaging of the Very-High-Energy gamma-Ray Emission Region in the Central Engine of a Radio Galaxy

Title:	Radio Imaging of the Very-High-Energy gamma-Ray Emission Region in the Central Engine of a Radio Galaxy
Authors:	ACCIARI VA; ALIU E; ARLEN T; BAUTISTA M; BEILICKE M; BENBOW W; BRADBURY SM; BUCKLEY JH; BUGAEV V; BUTT Y; BYRUM K; CANNON A; CELIK O; CESARINI A; CHOW YC; CIUPIK L; COGAN P; CUI W; DICKHERBER R; FEGAN SJ; FINLEY JP; FORTIN P; FORTSON L; FURNISS A; GALL D; GILLANDERS GH; GRUBE J; GUENETTE R; GYUK G; HANNA D; HOLDER J; HORAN D; HUI CM; HUMENSKY TB; IMRAN A; KAARET P; KARLSSON N; KIEDA D; KILDEA J; KONOPELKO A; KRAWCZYNSKI H; KRENNRICH F; LANG MJ; LEBOHEC S; MAIER G; MCCANN A; MCCUTCHEON M; MILLIS J; MORIARTY P; ONG RA; OTTE AN; PANDEL D; PERKINS JS; PETRY D; POHL M; QUINN J; RAGAN K; REYES LC; REYNOLDS PT; ROACHE E; ROSE HJ; SCHROEDTER M; SEMBROSKI GH; SMITH AW; SWORDY SP; THEILING M; TONER JA; VARLOTTA A; VINCENT S; WAKELY SP; WARD JE; WEEKES TC; WEINSTEIN A; WILLIAMS DA; WISSEL S; WOOD M; WALKER RC; DAVIES F; HARDEE PE; JUNOR W; LY C; AHARONIAN F; AKHPERJANIAN AG; ANTON G; DE ALMEIDA UB; BAZER BACHI AR; BECHERINI Y; BEHERA B; BERNLOHR K; BOCHOW A; BOISSON C; BOLMONT J; BORREL V; BRUCKER J; BRUN F; BRUN P; BUHLER R; BULIK T; BUSCHING I; BOUTELIER T; CHADWICK PM; CHARBONNIER A; CHAVES RCG; CHEESEBROUGH A; CHOUNET LM; CLAPSON AC; COIGNET G; DALTON M; DANIEL MK; DAVIDS ID; DEGRANGE B; DEIL C; DICKINSON HJ; DJANNATI ATAI A; DOMAINKO W; DRURY LO; DUBOIS F; DUBUS G; DYKS J; DYRDA M; EGBERTS K; EMMANOULOPOULOS D; ESPIGAT P; FARNIER C; FEINSTEIN F; FIASSON A; FORSTER A; FONTAINE G; FUSSLING M; GABICI S; GALLANT YA; GERARD L; GERBIG D; GIEBELS B; GLICENSTEIN JF; GLUCK B; GORET P; GOHRING D; HAUSER D; HAUSER M; HEINZ S; HEINZELMANN G; HENRI G; HERMANN G; HINTON JA; HOFFMANN A; HOFMANN W; HOLLERAN M; HOPPE S; HORNS D; JACHOLKOWSKA A; DE JAGER OC; JAHN C; JUNG I; KATARZYNSKI K; KATZ U; KAUFMANN S; KENDZIORRA E; KERSCHHAGGL M; KHANGULYAN D; KHELIFI B; KEOGH D; KLUZNIAK W; KNEISKE T; KOMIN N; KOSACK K; LAMANNA G; LENAIN JP; LOHSE T; MARANDON V; MARTIN JM; MARTINEAU HUYNH O; MARCOWITH A; MAURIN D; MCCOMB TJL; MEDINA MC; MODERSKI R; MOULIN E; NAUMANN GODO M; DE NAUROIS M; NEDBAL D; NEKRASSOV D; NICHOLAS B; NIEMIEC J; NOLAN SJ; OHM S; OLIVE JF; WILHELMI ED; ORFORD KJ; OSTROWSKI M; PANTER M; ARRIBAS MP; PEDALETTI G; PELLETIER G; PETRUCCI PO; PITA S; RAUE M; RAYNER SM; RENAUD M; RIEGER F; RIPKEN J; ROB L; ROSIER LEES S; ROWELL G; RUDAK B; RULTEN CB; RUPPEL J; SAHAKIAN V; SANTANGELO A; SCHLICKEISER R; SCHOCK FM; SCHRODER R; SCHWANKE U; SCHWARZBURG S; SCHWEMMER S; SHALCHI A; SIKORA M; SKILTON JL; SOL H; SPANGLER D; STAWARZ L; STEENKAMP R; STEGMANN C; STINZING F; SUPERINA G; SZOSTEK A; TAM PH; TAVERNET JP; TERRIER R; TIBOLLA O; TLUCZYKONT M; VAN ELDIK C; VASILEIADIS G; VENTER C; VENTER L; VIALLE JP; VINCENT P; VIVIER M; VOLK HJ; VOLPE F; WAGNER SJ; WARD M; ZDZIARSKI AA; ZECH A; ANDERHUB H; ANTONELLI LA; ANTORANZ P; BACKES M; BAIXERAS C; BALESTRA S; BARRIO JA; GONZLEZ JB; BECKER JK; BEDNAREK W; BERGER K; BERNARDINI E; BILAND A; BOCK RK; BONNOLI G; BORDAS P; TRIDON DB; BOSCH RAMON V; BOSE D; BRAUN I; BRETZ T; BRITVITCH I; CAMARA M; CARMONA E; COMMICHAU S; CONTRERAS JL; CORTINA J; COSTADO MT; COVINO S; CURTEF V; DAZZI F; DE ANGELIS A; DEL POZO ED; MENDEZ CD; DE LOS REYES R; DE LOTTO B; DE MARIA M; DE SABATA F; DOMINGUEZ A; DORNER D; ELSAESSER D; ERRANDO M; FERENC D; FERNNDEZ E; FIRPO R; FONSECA MV; FONT L; GALANTE N; LOPEZ RJG; GARCZARCZYK M; GAUG M; GOEBEL F; HADASCH D; HAYASHIDA M; HERRERO A; HILDEBRAND D; HOHNE MONCH D; HOSE J; HSU CC; JOGLER T; KRANICH D; LA BARBERA A; LAILLE A; LEONARDO E; LINDFORS E; LOMBARDI S; LONGO F; LOPEZ M; LORENZ E; MAJUMDAR P; MANEVA G; MANKUZHIYIL N; MANNHEIM K; MARASCHI L; MARTINEZ M; MAZIN D; MEUCCI M; MIRANDA JM; MIRZOYAN R; MIYAMOTO H; MOLDON J; MOLES M; MORALEJO A; NIETO D; NILSSON K; NINKOVIC J; OYA I; PAOLETTI R; PAREDES JM; PASANEN M; PAUSS F; PEGNA RG; PEREZ TORRES MA; PERSIC M; PERUZZO L; PRADA F; PUCHADES N; REICHARDT I; RHODE W; RIBO M; RICO J; RISSI M; ROBERT A; RUGAMER S; SAITO TY; SALVATI M; SANCHEZ CONDE M; SATALECKA K; SCAPIN V; SCHWEIZER T; SHAYDUK M; SHORE SN; SIDRO N; SIERPOWSKA BARTOSIK A; SILLANPAA A; SITAREK J; SOBCZYNSKA D; SPANIER F; STAMERRA A; STARK LS; TAKALO L; TAVECCHIO F; TEMNIKOV P; TESCARO D; TESHIMA M; TORRES DF; TURINI N; VANKOV H; WAGNER RM; ZABALZA V; ZANDANEL F; ZANIN R; ZAPATERO J.; BASTIERI, DENIS; DORO, MICHELE; MARIOTTI, MOSE'; PASCOLI, DONATELLA; PRANDINI, ELISA; SAGGION, ANTONIO; SCALZOTTO, VILLI MARIO
Contributors:	Acciari, Va; Aliu, E; Arlen, T; Bautista, M; Beilicke, M; Benbow, W; Bradbury, Sm; Buckley, Jh; Bugaev, V; Butt, Y; Byrum, K; Cannon, A; Celik, O; Cesarini, A; Chow, Yc; Ciupik, L; Cogan, P; Cui, W; Dickherber, R; Fegan, Sj; Finley, Jp; Fortin, P; Fortson, L; Furniss, A; Gall, D; Gillanders, Gh; Grube, J; Guenette, R; Gyuk, G; Hanna, D; Holder, J; Horan, D; Hui, Cm; Humensky, Tb; Imran, A; Kaaret, P; Karlsson, N; Kieda, D; Kildea, J; Konopelko, A; Krawczynski, H; Krennrich, F; Lang, Mj; Lebohec, S; Maier, G; Mccann, A; Mccutcheon, M; Millis, J; Moriarty, P; Ong, Ra; Otte, An; Pandel, D; Perkins, J; Petry, D; Pohl, M; Quinn, J; Ragan, K; Reyes, Lc; Reynolds, Pt; Roache, E; Rose, Hj; Schroedter, M; Sembroski, Gh; Smith, Aw; Swordy, Sp; Theiling, M; Toner, Ja; Varlotta, A; Vincent, S; Wakely, Sp; Ward, Je; Weekes, Tc; Weinstein, A; Williams, Da; Wissel, S; Wood, M; Walker, Rc; Davies, F; Hardee, Pe; Junor, W; Ly, C; Aharonian, F; Akhperjanian, Ag; Anton, G; De Almeida, Ub; Bazer Bachi, Ar; Becherini, Y; Behera, B; Bernlohr, K; Bochow, A; Boisson, C; Bolmont, J; Borrel, V; Brucker, J; Brun, F; Brun, P; Buhler, R; Bulik, T; Busching, I
Publication Year:	2009
Collection:	Padua Research Archive (IRIS - Università degli Studi di Padova)
Description:	The accretion of matter onto a massive black hole is believed to feed the relativistic plasma jets found in many active galactic nuclei (AGN). Although some AGN accelerate particles to energies exceeding 1012 electron volts and are bright sources of very-high-energy (VHE) γ-ray emission, it is not yet known where the VHE emission originates. Here we report on radio and VHE observations of the radio galaxy Messier 87, revealing a period of extremely strong VHE γ-ray flares accompanied by a strong increase of the radio flux from its nucleus. These results imply that charged particles are accelerated to very high energies in the immediate vicinity of the black hole.
Document Type:	article in journal/newspaper
Language:	unknown
Relation:	info:eu-repo/semantics/altIdentifier/wos/WOS:000268255100048; volume:325; firstpage:444; lastpage:448; numberofpages:5; journal:SCIENCE; https://hdl.handle.net/11577/2433316
DOI:	10.1126/science.1175406
Availability:	https://hdl.handle.net/11577/2433316; https://doi.org/10.1126/science.1175406
Rights:	info:eu-repo/semantics/openAccess ; license:Altro ; license uri:other-oa
Accession Number:	edsbas.99DE0F0E
Database:	BASE