Discovery certificate for object 2018xk
TNS Astronomical Transient Report No. 17027 [ 2018TNSTR.249....1D ]

Date Received (UTC): 2018-02-20 18:06:32
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 2018xk
Discoverer internal name: Gaia18aly
Coordinates (J2000): RA = 22:38:27.650 (339.615208) DEC = -77:28:05.45 (-77.468181)
Discovery date: 2018-02-14 17:18:14.000 (JD=2458164.2209954)


Remarks: blue transient on faint DSS source

Photometry

Discovery (first detection):
Discovery date: 2018-02-14 17:18:14.000
Flux: 18.42 ABMag
Filter: G-Gaia
Instrument: Gaia-photometric
Telescope: Gaia Spacecraft

Last non-detection:
Last non-detection date: 2018-01-05 06:38:52
Limiting flux: 21.5 ABMag
Filter: G-Gaia
Instrument: Gaia-photometric
Telescope: Gaia Spacecraft


Details of the new object can be viewed here: https://www.wis-tns.org/object/2018xk