Discovery certificate for object 2018xm
TNS Astronomical Transient Report No. 17029 [ 2018TNSTR.249....1D ]

Date Received (UTC): 2018-02-20 18:09:45
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 2018xm
Discoverer internal name: Gaia18ama
Coordinates (J2000): RA = 18:10:25.420 (272.605917) DEC = +19:31:28.60 (19.524611)
Discovery date: 2018-02-14 13:46:33 (JD=2458164.0739931)


Remarks: Gaia (and PanSTARRS) source brightens by ~2.5 mags

Photometry

Discovery (first detection):
Discovery date: 2018-02-14 13:46:33
Flux: 16.35 ABMag
Filter: G-Gaia
Instrument: Gaia-photometric
Telescope: Gaia Spacecraft

Last non-detection:
Last non-detection date: 2017-11-27 21:33:07
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/2018xm