Discovery certificate for object 2019abz
TNS Astronomical Transient Report No. 29212 [ 2019TNSTR.139....1D ]

Date Received (UTC): 2019-01-25 14:02:54
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 2019abz
Discoverer internal name: Gaia19ahj
Coordinates (J2000): RA = 21:49:31.830 (327.382625) DEC = +31:18:35.06 (31.309739)
Discovery date: 2019-01-23 21:36:00 (JD=2458507.4)


Remarks: Gaia source brightens by 0.6 mag over 7 months, QSO candidate

Photometry

Discovery (first detection):
Discovery date: 2019-01-23 21:36:00
Flux: 18.7 ABMag
Filter: G-Gaia
Instrument: Gaia-photometric
Telescope: Gaia Spacecraft

Last non-detection:
Last non-detection date: 2018-12-16 04:07:40
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/2019abz