Discovery certificate for object 2018esf
TNS Astronomical Transient Report No. 21327 [ 2018TNSTR1118....1D ]

Date Received (UTC): 2018-08-07 11:49:06
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 2018esf
Discoverer internal name: Gaia18cas
Coordinates (J2000): RA = 01:22:02.730 (20.511375) DEC = -21:23:05.17 (-21.384769)
Discovery date: 2018-08-05 08:55:40 (JD=2458335.8719907)


Remarks: candidate SN near galaxy LEDA 828981, GS-TEC predicts SN Ia

Photometry

Discovery (first detection):
Discovery date: 2018-08-05 08:55:40
Flux: 18.95 ABMag
Filter: G-Gaia
Instrument: Gaia-photometric
Telescope: Gaia Spacecraft

Last non-detection:
Last non-detection date: 2018-07-09 08:58:33
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/2018esf