Discovery certificate for object 2018gsj
TNS Astronomical Transient Report No. 23005 [ 2018TNSTR1425....1D ]

Date Received (UTC): 2018-09-21 23:39:06
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 2018gsj
Discoverer internal name: Gaia18csj
Coordinates (J2000): RA = 13:19:54.290 (199.976208) DEC = -43:58:54.08 (-43.981689)
Discovery date: 2018-09-19 02:12:28 (JD=2458380.5919907)


Remarks: candidate CV with 3.6 mag outburst, aka ASASSN-18id

Photometry

Discovery (first detection):
Discovery date: 2018-09-19 02:12:28
Flux: 17.34 ABMag
Filter: G-Gaia
Instrument: Gaia-photometric
Telescope: Gaia Spacecraft

Last non-detection:
Last non-detection date: 2018-09-06 14:08:09
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/2018gsj