Discovery certificate for object 2019gdd
TNS Astronomical Transient Report No. 36015 [ 2019TNSTR.878....1D ]

Date Received (UTC): 2019-05-30 10:42:17
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 2019gdd
Discoverer internal name: Gaia19byx
Coordinates (J2000): RA = 18:32:55.420 (278.230917) DEC = +41:41:43.94 (41.695539)
Discovery date: 2019-05-27 07:29:16 (JD=2458630.8119907)


Remarks: variable source with nearby radio and WISE detections brighten by 0.8 mag, candidate QSO

Photometry

Discovery (first detection):
Discovery date: 2019-05-27 07:29:16
Flux: 18.96 ABMag
Filter: G-Gaia
Instrument: Gaia-photometric
Telescope: Gaia Spacecraft

Last non-detection:
Last non-detection date: 2019-03-30 03:57:36
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/2019gdd