Discovery certificate for object 2019bk
TNS Astronomical Transient Report No. 27862 [ 2019TNSTR..17....1D ]

Date Received (UTC): 2019-01-03 12:25:09
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 2019bk
Discoverer internal name: Gaia19abb
Coordinates (J2000): RA = 03:06:03.160 (46.513167) DEC = +25:17:50.24 (25.297289)
Discovery date: 2019-01-02 07:45:07 (JD=2458485.8229977)


Remarks: red Gaia source brightens by almost 2mag and becomes bluer, candidate CV

Photometry

Discovery (first detection):
Discovery date: 2019-01-02 07:45:07
Flux: 18.33 ABMag
Filter: G-Gaia
Instrument: Gaia-photometric
Telescope: Gaia Spacecraft

Last non-detection:
Last non-detection date: 2018-12-27 19:40:48
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/2019bk