Discovery certificate for object 2019hkw
TNS Astronomical Transient Report No. 37675 [ 2019TNSTR.997....1D ]

Date Received (UTC): 2019-06-13 10:42:36
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 2019hkw
Discoverer internal name: Gaia19cgj
Coordinates (J2000): RA = 22:21:01.620 (335.25675) DEC = -11:11:54.71 (-11.198531)
Discovery date: 2019-06-11 08:28:19 (JD=2458645.8529977)


Remarks: Seyfert 1 galaxy 6dFGS gJ222101.6-111155 brightens then fades by 1.4 mag over 3 years

Photometry

Discovery (first detection):
Discovery date: 2019-06-11 08:28:19
Flux: 18.04 ABMag
Filter: G-Gaia
Instrument: Gaia-photometric
Telescope: Gaia Spacecraft

Last non-detection:
Last non-detection date: 2018-11-05 14:21:07
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/2019hkw