Discovery certificate for object 2019fkb
TNS Astronomical Transient Report No. 35177 [ 2019TNSTR.786....1D ]

Date Received (UTC): 2019-05-15 08:13:13
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 2019fkb
Discoverer internal name: Gaia19bui
Coordinates (J2000): RA = 17:05:25.550 (256.356458) DEC = +19:47:22.78 (19.789661)
Discovery date: 2019-05-14 01:30:43.000 (JD=2458617.5629977)


Remarks: long timescale decline (~1 mag over 1 year) of 2MASS/SDSS Seyfert 1 galaxy

Photometry

Discovery (first detection):
Discovery date: 2019-05-14 01:30:43.000
Flux: 19.7 ABMag
Filter: G-Gaia
Instrument: Gaia-photometric
Telescope: Gaia Spacecraft

Last non-detection:
Last non-detection date: 2019-03-29 16:27:50
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/2019fkb