Discovery certificate for object 2018ggk
TNS Astronomical Transient Report No. 22614 [ 2018TNSTR1373....1D ]

Date Received (UTC): 2018-09-13 12:16:32
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 2018ggk
Discoverer internal name: Gaia18cpd
Coordinates (J2000): RA = 20:05:49.070 (301.454458) DEC = +28:50:46.21 (28.846169)
Discovery date: 2018-09-09 22:16:19 (JD=2458371.4279977)


Remarks: long term decline of ~1 mag in Gaia source

Photometry

Discovery (first detection):
Discovery date: 2018-09-09 22:16:19
Flux: 20 ABMag
Filter: G-Gaia
Instrument: Gaia-photometric
Telescope: Gaia Spacecraft

Last non-detection:
Last non-detection date: 2018-01-31 19:14:52
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/2018ggk