Discovery certificate for object 2018gtj
TNS Astronomical Transient Report No. 23040 [ 2018TNSTR1434....1D ]

Date Received (UTC): 2018-09-23 22:02:28
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 2018gtj
Discoverer internal name: Gaia18cso
Coordinates (J2000): RA = 00:58:02.150 (14.508958) DEC = +57:12:20.23 (57.205619)
Discovery date: 2018-09-20 17:11:02 (JD=2458382.2159954)


Remarks: apparently hostless transient

Photometry

Discovery (first detection):
Discovery date: 2018-09-20 17:11:02
Flux: 18.62 ABMag
Filter: G-Gaia
Instrument: Gaia-photometric
Telescope: Gaia Spacecraft

Last non-detection:
Last non-detection date: 2018-09-02 12:53:16
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/2018gtj