Discovery certificate for object 2017big
TNS Astronomical Transient Report No. 9423 [ 2017TNSTR.231....1D ]

Date Received (UTC): 2017-02-23 13:52:02
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 2017big
Discoverer internal name: Gaia17alq
Coordinates (J2000): RA = 21:09:29.710 (317.373792) DEC = -69:46:46.34 (-69.779539)
Discovery date: 2017-02-17 20:29:45 (JD=2457802.3539931)


Remarks: candidate SN in outskirts of galaxy 2MASX J21093132-6946537, GS-TEC predicts SN Ia

Photometry

Discovery (first detection):
Discovery date: 2017-02-17 20:29:45
Flux: 18.24 ABMag
Filter: G-Gaia
Instrument: Gaia-photometric
Telescope: Gaia Spacecraft

Last non-detection:
Last non-detection date: 2017-02-05 02:48:28
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/2017big