Discovery certificate for object 2018gtn
TNS Astronomical Transient Report No. 23044 [ 2018TNSTR1434....1D ]

Date Received (UTC): 2018-09-23 22:05:04
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 2018gtn
Discoverer internal name: Gaia18css
Coordinates (J2000): RA = 23:52:41.260 (358.171917) DEC = +68:14:29.58 (68.24155)
Discovery date: 2018-09-21 04:56:38.000 (JD=2458382.7059954)


Remarks: red star brightens by 0.2 mags

Photometry

Discovery (first detection):
Discovery date: 2018-09-21 04:56:38.000
Flux: 17.33 ABMag
Filter: G-Gaia
Instrument: Gaia-photometric
Telescope: Gaia Spacecraft

Last non-detection:
Last non-detection date: 2018-04-07 12:10:04
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/2018gtn