Discovery certificate for object 2017iss
TNS Astronomical Transient Report No. 15195 [ 2017TNSTR1372....1D ]

Date Received (UTC): 2017-12-05 09:41:04
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 2017iss
Discoverer internal name: Gaia17dds
Coordinates (J2000): RA = 22:29:49.190 (337.454958) DEC = +23:00:36.18 (23.01005)
Discovery date: 2017-12-04 01:01:55 (JD=2458091.5429977)


Remarks: candidate SN near faint SDSS galaxy GS-TEC predicts SN Ia

Photometry

Discovery (first detection):
Discovery date: 2017-12-04 01:01:55
Flux: 18.08 ABMag
Filter: G-Gaia
Instrument: Gaia-photometric
Telescope: Gaia Spacecraft

Last non-detection:
Last non-detection date: 2017-10-25 02:02:24
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/2017iss