Discovery certificate for object 2019iff
TNS Astronomical Transient Report No. 38666 [ 2019TNSTR1076....1D ]

Date Received (UTC): 2019-06-26 22:06:40
Sender: Gaia (Gaia_Bot1)
Reporting Group: GaiaAlerts     Discovery Data Source: 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 2019iff
Discoverer internal name: Gaia19cqm
Coordinates (J2000): RA = 13:39:56.990 (204.987458) DEC = +54:49:10.45 (54.819569)
Discovery date: 2019-06-25 12:04:19.000 (JD=2458660.0029977)


Remarks: long-term decline in known QSO

Photometry

Discovery (first detection):
Discovery date: 2019-06-25 12:04:19.000
Flux: 19.65 ABMag
Filter: G-Gaia
Instrument: Gaia-photometric
Telescope: Gaia Spacecraft

Last non-detection:
Last non-detection date: 2018-05-07 05:44:09
Limiting flux: 21.5 ABMag
Filter: G-Gaia
Instrument: Gaia-photometric
Telescope: Gaia Spacecraft


Details of the new object can be viewed here: https://www.wis-tns.org/object/2019iff