Sinapius, J.Ojha, R.Fermi-LAT Collaboration2021-06-032021-06-032020-02-28Sinapius, J.; Ojha, R.; Fermi-LAT Collaboration; Fermi LAT Detection of the brightest gamma-ray flare from PKS 1156-221; The Astronomer's Telegram, February 28, 2020; https://www.astronomerstelegram.org/?read=13533http://hdl.handle.net/11603/21671en-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.gamma ray>GeVAGNblazarquasarText