Discovery certificate for object 2016ggn
TNS Astronomical Transient Report No. 5275 [ 2016TNSTR.676....1D ]

Date Received (UTC): 2016-09-13 23:17:24
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 2016ggn
Discoverer internal name: Gaia16bgb
Coordinates (J2000): RA = 06:47:55.950 (101.983125) DEC = +55:36:40.75 (55.611319)
Discovery date: 2016-09-09 09:12:57.000 (JD=2457640.8839931)


Remarks: candidate SN (rising) near very faint smudge in DSS, GS-TEC predicts SN Ia at t=-8.0

Photometry

Discovery (first detection):
Discovery date: 2016-09-09 09:12:57.000
Flux: 18.34 ABMag
Filter: G-Gaia
Instrument: Gaia-photometric
Telescope: Gaia Spacecraft

Last non-detection:
Last non-detection date: 2016-05-06 15:10:04
Limiting flux: 21.5 ABMag
Filter: G-Gaia
Instrument: Gaia-photometric
Telescope: Gaia Spacecraft


Details of the new object can be viewed here: https://www.wis-tns.org/object/2016ggn