Longo, F.F.LongoChen, A.A.ChenVercellone, S.S.VercelloneGiommi, PaoloPaoloGiommiPittori, CarlottaCarlottaPittoriVerrecchia, FrancescoFrancescoVerrecchiaSantolamazza, P.P.SantolamazzaPreger, B.B.Preger2020-09-172020-09-172008-04-01https://hdl.handle.net/20.500.13025/1014The Astronomer's Telegram, #1492The AGILE satellite, currently in a Cycle-1 pointing centered approximately in the Vulpecula region, during the observing period that started on 2008-04-10 12 00 UT, detected significant and variable gamma-ray emission from the Galactic plane from a source positionally consistent with 3EG J2020+4017. The AGILE Quicklook Analysis provides the source positional error box that is centered at Galactic coordinates l = 78.01 deg, b = 2.19 deg, and has a radius of about 1 degree.X-rayGamma RayTransientshttp://adsabs.harvard.edu/abs/2008ATel.1492....1L2008ATel.1492....1L