Discovery certificate for object 2018exr
TNS Astronomical Transient Report No. 21497 [ 2018TNSTR1155....1D ]

Date Received (UTC): 2018-08-12 14:30:10
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 2018exr
Discoverer internal name: Gaia18cco
Coordinates (J2000): RA = 16:56:48.410 (254.201708) DEC = -30:05:20.44 (-30.089011)
Discovery date: 2018-08-10 15:04:19 (JD=2458341.1279977)


Remarks: blue transient near Galactic plane

Photometry

Discovery (first detection):
Discovery date: 2018-08-10 15:04:19
Flux: 17.72 ABMag
Filter: G-Gaia
Instrument: Gaia-photometric
Telescope: Gaia Spacecraft

Last non-detection:
Last non-detection date: 2018-03-27 04:07:40
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/2018exr