Discovery certificate for object 2019gda
TNS Astronomical Transient Report No. 36012 [ 2019TNSTR.878....1D ]

Date Received (UTC): 2019-05-30 10:39:53
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 2019gda
Discoverer internal name: Gaia19byu
Coordinates (J2000): RA = 18:53:52.880 (283.470333) DEC = +05:23:21.80 (5.389389)
Discovery date: 2019-05-25 20:06:43 (JD=2458629.3379977)


Remarks: long-term decline in brightness of Gaia source

Photometry

Discovery (first detection):
Discovery date: 2019-05-25 20:06:43
Flux: 19.73 ABMag
Filter: G-Gaia
Instrument: Gaia-photometric
Telescope: Gaia Spacecraft

Last non-detection:
Last non-detection date: 2019-02-13 20:54:14
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/2019gda