Discovery certificate for object 2017efr
TNS Astronomical Transient Report No. 11657 [ 2017TNSTR.581....1D ]

Date Received (UTC): 2017-05-23 07:35:22
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 2017efr
Discoverer internal name: Gaia17bik
Coordinates (J2000): RA = 22:31:12.360 (337.8015) DEC = -26:00:53.39 (-26.014831)
Discovery date: 2017-04-13 18:57:36 (JD=2457857.29)


Remarks: bright candidate SN in galaxy GALEXASC J223112.25-260054.8

Photometry

Discovery (first detection):
Discovery date: 2017-04-13 18:57:36
Flux: 20.31 ABMag
Filter: G-Gaia
Instrument: Gaia-photometric
Telescope: Gaia Spacecraft

Last non-detection:
Last non-detection date: 2017-04-04 00:50:24
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/2017efr