Discovery certificate for object 2018xs
TNS Astronomical Transient Report No. 17036 [ 2018TNSTR.249....1D ]

Date Received (UTC): 2018-02-20 18:20:51
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 2018xs
Discoverer internal name: Gaia18amh
Coordinates (J2000): RA = 14:47:50.160 (221.959) DEC = +63:05:32.71 (63.092419)
Discovery date: 2018-02-17 07:01:55 (JD=2458166.7929977)


Remarks: candidate SN near galaxy LEDA 2649467

Photometry

Discovery (first detection):
Discovery date: 2018-02-17 07:01:55
Flux: 18.98 ABMag
Filter: G-Gaia
Instrument: Gaia-photometric
Telescope: Gaia Spacecraft

Last non-detection:
Last non-detection date: 2018-01-11 03:47:31
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/2018xs