Discovery certificate for object 2018ext
TNS Astronomical Transient Report No. 21499 [ 2018TNSTR1155....1D ]

Date Received (UTC): 2018-08-12 14:31:59
Sender: Gaia (Gaia_Bot1)
Reporting Group: GaiaAlerts     Discovery Data Source: 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 2018ext
Discoverer internal name: Gaia18ccq
Coordinates (J2000): RA = 17:21:42.590 (260.427458) DEC = -36:37:18.95 (-36.621931)
Discovery date: 2018-08-10 20:57:07 (JD=2458341.3729977)


Remarks: Gaia Galactic plane source brightens by ~1 mag

Photometry

Discovery (first detection):
Discovery date: 2018-08-10 20:57:07
Flux: 19.17 ABMag
Filter: G-Gaia
Instrument: Gaia-photometric
Telescope: Gaia Spacecraft

Last non-detection:
Last non-detection date: 2018-03-29 08:22:33
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/2018ext