Discovery certificate for object 2018gtt
TNS Astronomical Transient Report No. 23050 [ 2018TNSTR1439....1D ]

Date Received (UTC): 2018-09-24 09:27:11
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 2018gtt
Discoverer internal name: Gaia18csv
Coordinates (J2000): RA = 11:46:55.930 (176.733042) DEC = -70:10:25.79 (-70.173831)
Discovery date: 2018-09-21 13:49:26 (JD=2458383.0759954)


Remarks: blue hostless transient at low Galactic latitude

Photometry

Discovery (first detection):
Discovery date: 2018-09-21 13:49:26
Flux: 18.85 ABMag
Filter: G-Gaia
Instrument: Gaia-photometric
Telescope: Gaia Spacecraft

Last non-detection:
Last non-detection date: 2018-08-29 21:41:45
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/2018gtt