Discovery certificate for object 2018flj
TNS Astronomical Transient Report No. 21939 [ 2018TNSTR1255....1D ]

Date Received (UTC): 2018-08-29 13:53:11
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 2018flj
Discoverer internal name: Gaia18cht
Coordinates (J2000): RA = 00:49:25.030 (12.354292) DEC = -73:00:48.38 (-73.013439)
Discovery date: 2018-08-19 19:58:04 (JD=2458350.3319907)


Remarks: long-term decline of ~1 mag in Carbon star

Photometry

Discovery (first detection):
Discovery date: 2018-08-19 19:58:04
Flux: 17.71 ABMag
Filter: G-Gaia
Instrument: Gaia-photometric
Telescope: Gaia Spacecraft

Last non-detection:
Last non-detection date: 2018-07-22 21:43:12
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/2018flj