Discovery certificate for object 2019keh
TNS Astronomical Transient Report No. 40550 [ 2019TNSTR1122....1D ]

Date Received (UTC): 2019-07-02 20:48:23
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 2019keh
Discoverer internal name: Gaia19cto
Coordinates (J2000): RA = 15:33:55.250 (233.480208) DEC = +15:46:10.02 (15.76945)
Discovery date: 2019-06-30 11:34:04 (JD=2458664.9819907)


Remarks: ~0.3 mag brightening in known QSO

Photometry

Discovery (first detection):
Discovery date: 2019-06-30 11:34:04
Flux: 17.38 ABMag
Filter: G-Gaia
Instrument: Gaia-photometric
Telescope: Gaia Spacecraft

Last non-detection:
Last non-detection date: 2019-03-10 04:30:43
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/2019keh