Discovery certificate for object 2018vb
TNS Astronomical Transient Report No. 16948 [ 2018TNSTR.224....1D ]

Date Received (UTC): 2018-02-15 08:04:48
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 2018vb
Discoverer internal name: Gaia18akr
Coordinates (J2000): RA = 06:02:34.170 (90.642375) DEC = +27:49:10.63 (27.819619)
Discovery date: 2018-02-08 11:39:50 (JD=2458157.9859954)


Remarks: hostless transient declining

Photometry

Discovery (first detection):
Discovery date: 2018-02-08 11:39:50
Flux: 18.9 ABMag
Filter: G-Gaia
Instrument: Gaia-photometric
Telescope: Gaia Spacecraft

Last non-detection:
Last non-detection date: 2017-11-08 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/2018vb