Pursimo, TapioDjupvik, Anlaug A.Ojha, Roopesh2020-04-222020-04-222018-12-14Pursimo Tapio, Djupvik Anlaug A, Ojha Roopesh, Optical flare observed in the flaring gamma-ray QSO TXS 0646-176,http://www.astronomerstelegram.org/?read=12293http://hdl.handle.net/11603/182091 pageen-USThis item is likely protected under Title 17 of the U.S. Copyright Law. Unless on a Creative Commons license, for uses protected by Copyright Law, contact the copyright holder or the author.flaring gamma-ray QSO TXS 0646-176Optical flareText