TY - JOUR AU - Antoranz Canales, Pedro AU - Barrio Uña, Juan Abel AU - Contreras González, José Luis AU - Fonseca González, Mª Victoria AU - Miranda Pantoja, José Miguel AU - Nieto, Daniel PY - 2010 DO - 10.1051/0004-6361/201014747 SN - 0004-6361 UR - https://hdl.handle.net/20.500.14352/43905 T2 - Astronomy & Astrophysics AB - Context. Part of the very high energy gamma-ray radiation coming from extragalactic sources is absorbed through the pair production process on the extragalactic background light photons. Extragalactic magnetic fields alter the trajectories of these... LA - eng PB - EDP Sciencies KW - TEV Energy-Spectrum KW - Intergalactic Magnetic-Fields KW - Extragalactic Background Light KW - Active Galactic Nuclei KW - Radiation-Fields KW - Radio Galaxy KW - Crab-Nebula KW - System KW - Hegra KW - Markarian-421. TI - Search for an extended VHE gamma-ray emission from Mrk 421 and Mrk 501 with the MAGIC Telescope TY - journal article VL - 524 ER -