Ciprini, S.S.CipriniGasparrini, DarioDarioGasparriniVerrecchia, FrancescoFrancescoVerrecchiaCutini, SaraSaraCutini2020-09-172020-09-172011-11-01https://hdl.handle.net/20.500.13025/2202The Astronomer's Telegram, #3773Following the reported flaring activity of the flat spectrum radio quasar OG 050 (TXS 0529+075, z=1.254) in the GeV energy band (ATel#3750) Swift ToO observations were requested and performed on 2011 Nov. 11 and Nov. 15, when the source was still in an active gamma-ray state. Swift XRT data were taken in photon counting mode for a net exposure of about 3ksec for both the observations.OpticalUltra-VioletX-rayAGNBlazarQuasarhttp://adsabs.harvard.edu/abs/2011ATel.3773....1C2011ATel.3773....1C