Discovery certificate for object 2017efa
TNS Astronomical Transient Report No. 11633 [ 2017TNSTR.577....1D ]

Date Received (UTC): 2017-05-22 10:45:59
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 2017efa
Discoverer internal name: Gaia17bid
Coordinates (J2000): RA = 23:23:33.110 (350.887958) DEC = +18:13:03.50 (18.217639)
Discovery date: 2017-05-21 01:16:19 (JD=2457894.5529977)


Remarks: candidate SN near galaxy SDSS J232333.15+181258.8, GS-TEC predicts SN Ia

Photometry

Discovery (first detection):
Discovery date: 2017-05-21 01:16:19
Flux: 18.83 ABMag
Filter: G-Gaia
Instrument: Gaia-photometric
Telescope: Gaia Spacecraft

Last non-detection:
Last non-detection date: 2017-01-13 23:39:50
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/2017efa