Discovery certificate for object 2018xt
TNS Astronomical Transient Report No. 17038 [ 2018TNSTR.249....1D ]

Date Received (UTC): 2018-02-20 18:23:29
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 2018xt
Discoverer internal name: Gaia18amj
Coordinates (J2000): RA = 03:59:59.080 (59.996167) DEC = -54:24:49.00 (-54.413611)
Discovery date: 2018-02-17 04:09:07 (JD=2458166.6729977)


Remarks: candidate SN near galaxy LEDA 419684

Photometry

Discovery (first detection):
Discovery date: 2018-02-17 04:09:07
Flux: 18.93 ABMag
Filter: G-Gaia
Instrument: Gaia-photometric
Telescope: Gaia Spacecraft

Last non-detection:
Last non-detection date: 2018-01-13 12:40:19
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/2018xt