Discovery certificate for object 2019gde
TNS Astronomical Transient Report No. 36016 [ 2019TNSTR.878....1D ]

Date Received (UTC): 2019-05-30 10:42:52
Sender: Gaia (Gaia_Bot1)
Source Group: GaiaAlerts

A. Delgado, D. Harrison, S. Hodgkin, M. van Leeuwen, G. Rixon, A. Yoldas (University of Cambridge), on behalf of Gaia Alerts team report/s the discovery of a new astronomical transient.

IAU Designation: AT 2019gde
Discoverer internal name: Gaia19byy
Coordinates (J2000): RA = 19:04:18.550 (286.077292) DEC = +20:52:24.35 (20.873431)
Discovery date: 2019-05-27 19:53:45 (JD=2458631.3289931)


Remarks: source coincident with radio source brightens by 1.2 mag, in footprint of GW event S190521r

Photometry

Discovery (first detection):
Discovery date: 2019-05-27 19:53:45
Flux: 19.37 ABMag
Filter: G-Gaia
Instrument: Gaia-photometric
Telescope: Gaia Spacecraft

Last non-detection:
Last non-detection date: 2019-04-03 22:12:00
Limiting flux: 21.5 ABMag
Filter: G-Gaia
Instrument: Gaia-photometric
Telescope: Gaia Spacecraft


Details of the new object can be viewed here: https://wis-tns.weizmann.ac.il/object/2019gde