Discovery certificate for object 2018env
TNS Astronomical Transient Report No. 21185 [ 2018TNSTR1083....1D ]

Date Received (UTC): 2018-08-03 18:28:02
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 2018env
Discoverer internal name: Gaia18byy
Coordinates (J2000): RA = 16:16:32.550 (244.135625) DEC = -63:33:24.91 (-63.556919)
Discovery date: 2018-08-01 20:35:31 (JD=2458332.3579977)


Remarks: apparently hostless, blue transient GS-TEC predicts SN Ia

Photometry

Discovery (first detection):
Discovery date: 2018-08-01 20:35:31
Flux: 17.19 ABMag
Filter: G-Gaia
Instrument: Gaia-photometric
Telescope: Gaia Spacecraft

Last non-detection:
Last non-detection date: 2018-04-03 10:37:55
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/2018env