Discovery certificate for object 2018gum
TNS Astronomical Transient Report No. 23071 [ 2018TNSTR1446....1D ]

Date Received (UTC): 2018-09-25 06:37:12
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 2018gum
Discoverer internal name: Gaia18ctg
Coordinates (J2000): RA = 03:43:28.980 (55.87075) DEC = -52:56:06.65 (-52.935181)
Discovery date: 2018-09-23 07:07:40 (JD=2458384.7969907)


Remarks: Gaia source brightens by ~5 mags, candidate CV, aka ASASSN-18vn

Photometry

Discovery (first detection):
Discovery date: 2018-09-23 07:07:40
Flux: 14.34 ABMag
Filter: G-Gaia
Instrument: Gaia-photometric
Telescope: Gaia Spacecraft

Last non-detection:
Last non-detection date: 2018-08-18 01:29:16
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/2018gum