Discovery certificate for object 2018iv
TNS Astronomical Transient Report No. 16564 [ 2018TNSTR..93....1D ]

Date Received (UTC): 2018-01-20 17:26:34
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 2018iv
Discoverer internal name: Gaia18afb
Coordinates (J2000): RA = 11:06:08.000 (166.533333) DEC = -03:46:17.76 (-3.7716)
Discovery date: 2018-01-18 17:12:28 (JD=2458137.2169907)


Remarks: bright, blue, hostless transient

Photometry

Discovery (first detection):
Discovery date: 2018-01-18 17:12:28
Flux: 15.99 ABMag
Filter: G-Gaia
Instrument: Gaia-photometric
Telescope: Gaia Spacecraft

Last non-detection:
Last non-detection date: 2018-01-01 03:18:43
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/2018iv