Discovery certificate for object 2018geh
TNS Astronomical Transient Report No. 22551 [ 2018TNSTR1354....1D ]

Date Received (UTC): 2018-09-11 09:29:43
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 2018geh
Discoverer internal name: Gaia18coi
Coordinates (J2000): RA = 23:01:52.750 (345.469792) DEC = +39:50:13.88 (39.837189)
Discovery date: 2018-09-07 22:52:19 (JD=2458369.4529977)


Remarks: faint Gaia source brightens erratically by almost 2 mag over 1 year

Photometry

Discovery (first detection):
Discovery date: 2018-09-07 22:52:19
Flux: 18.97 ABMag
Filter: G-Gaia
Instrument: Gaia-photometric
Telescope: Gaia Spacecraft

Last non-detection:
Last non-detection date: 2018-09-07 16:53:45
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/2018geh