Discovery certificate for object 2018bxj
TNS Astronomical Transient Report No. 18810 [ 2018TNSTR.696....1D ]

Date Received (UTC): 2018-05-23 19:10:03
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 2018bxj
Discoverer internal name: Gaia18bgx
Coordinates (J2000): RA = 15:55:45.760 (238.940667) DEC = -73:44:57.19 (-73.749219)
Discovery date: 2018-05-21 02:35:31 (JD=2458259.6079977)


Remarks: apparently hostless transient near previous event MASTER J155546.00-734455.8 (1.83 arcsec)

Photometry

Discovery (first detection):
Discovery date: 2018-05-21 02:35:31
Flux: 18.5 ABMag
Filter: G-Gaia
Instrument: Gaia-photometric
Telescope: Gaia Spacecraft

Last non-detection:
Last non-detection date: 2018-04-06 04:43:40
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/2018bxj