Discovery certificate for object 2018fmj
TNS Astronomical Transient Report No. 21974 [ 2018TNSTR1255....1D ]

Date Received (UTC): 2018-08-29 22:05:09
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 2018fmj
Discoverer internal name: Gaia18cjb
Coordinates (J2000): RA = 06:39:07.540 (99.781417) DEC = +00:08:54.49 (0.148469)
Discovery date: 2018-08-21 20:09:36 (JD=2458352.34)


Remarks: long term increase (~4 mag) in brightness of red star in Galactic plane

Photometry

Discovery (first detection):
Discovery date: 2018-08-21 20:09:36
Flux: 17.3 ABMag
Filter: G-Gaia
Instrument: Gaia-photometric
Telescope: Gaia Spacecraft

Last non-detection:
Last non-detection date: 2018-05-15 10:00:28
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/2018fmj