Discovery certificate for object 2019gzf
TNS Astronomical Transient Report No. 37072 [ 2019TNSTR.941....1D ]

Date Received (UTC): 2019-06-06 09:41:16
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 2019gzf
Discoverer internal name: Gaia19ccm
Coordinates (J2000): RA = 08:40:51.320 (130.213833) DEC = +06:50:46.10 (6.846139)
Discovery date: 2019-06-04 05:18:14 (JD=2458638.7209954)


Remarks: broadline QSO at z=2.2 steadly rises by 1 mag over 4 years

Photometry

Discovery (first detection):
Discovery date: 2019-06-04 05:18:14
Flux: 19.19 ABMag
Filter: G-Gaia
Instrument: Gaia-photometric
Telescope: Gaia Spacecraft

Last non-detection:
Last non-detection date: 2018-10-14 23:29:45
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/2019gzf