Pittori, CarlottaCarlottaPittoriVerrecchia, FrancescoFrancescoVerrecchiaPuccetti, SimonettaSimonettaPuccetti2020-09-172020-09-172015-06-01https://hdl.handle.net/20.500.13025/4101The Astronomer's Telegram, #7639Following the gamma-ray flare of the flat spectrum radio quasar 3C 279 detected by AGILE (ATel #7631), a prompt Swift target of opportunity observation was performed on 2015, June 15 at 14 27 58 UTC.BlazarTransienthttp://adsabs.harvard.edu/abs/2015ATel.7639....1P2015ATel.7639....1P