TY - JOUR AU - Antoranz Canales, Pedro AU - Barrio Uña, Juan Abel AU - Contreras González, José Luis AU - Fonseca González, María Victoria AU - López Moya, Marcos AU - Miranda Pantoja, José Miguel AU - Nieto Castaño, Daniel AU - Scapin, Valeria PY - 2011 DO - 10.1088/2041-8205/730/1/L8 SN - 2041-8205 UR - https://hdl.handle.net/20.500.14352/43894 T2 - Astrophysical journal letters AB - Very high energy (VHE) gamma-ray emission from the flat spectrum radio quasar (FSRQ) PKS 1222+ 21 (4C 21.35, z = 0.432) was detected with the MAGIC Cherenkov telescopes during a short observation (similar to 0.5 hr) performed on 2010 June 17. The... LA - eng PB - IOP Publishing KW - Extragalactic Background Light KW - Active Galactic Nuclei KW - Gamma-Ray Absorption KW - Relativistic Jets KW - Upper Limits KW - 3C 279 KW - Blazars KW - Radiation KW - Spectra KW - Constraints. TI - MAGIC discovery of very high energy emission from the FSRQ PKS 1222+21 TY - journal article VL - 730 ER -