Discovery certificate for object 2020cfn
TNS Astronomical Transient Report No. 61521 [ 2020TNSTR.447....1H ]

Date Received (UTC): 2020-02-11 15:16:42
Sender: Gaia (Gaia_Bot1)
Reporting Group: GaiaAlerts     Discovery Data Source: GaiaAlerts

S.T. Hodgkin, E. Breedt, A. Delgado, D.L. Harrison, M. van Leeuwen, G. Rixon, T. Wevers, A. Yoldas (IoA Cambridge), N. Ihanec, K. Kruszyńska, K.A. Rybicki, Ł. Wyrzykowski (Warsaw University Astronomical Observatory), Z. Kostrzewa-Rutkowska (Leiden Observatory), D. Eappachen (SRON/RU), G. Marton (Konkoly Observatory), on behalf of the Gaia Alerts team report/s the discovery of a new astronomical transient.

IAU Designation: AT 2020cfn
Discoverer internal name: Gaia20ast
Coordinates (J2000): RA = 00:56:48.640 (14.202667) DEC = -15:27:20.09 (-15.455581)
Discovery date: 2020-02-09 10:52:19.000 (JD=2458888.9529977)


Remarks: radio source brightens steadily by 0.5 mag over 5 years, candidate QSO

Photometry

Discovery (first detection):
Discovery date: 2020-02-09 10:52:19.000
Flux: 18.38 ABMag
Filter: G-Gaia
Instrument: Gaia-photometric
Telescope: Gaia Spacecraft

Last non-detection:
Last non-detection date: 2019-08-01 10:23:31
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/2020cfn