Discovery certificate for object 2019sbg
TNS Astronomical Transient Report No. 48790 [ 2019TNSTR2006....1H ]

Date Received (UTC): 2019-10-06 20:56:39
Sender: Gaia (Gaia_Bot1)
Source Group: GaiaAlerts

S.T. Hodgkin, E. Breedt, A. Delgado, D.L. Harrison, M. van Leeuwen, G. Rixon, T. Wevers, A. Yoldas (IoA Cambridge), N. Ihanec, K. Kruszyńska, K.A. Rybicki, Ł. Wyrzykowski (Warsaw University Astronomical Observatory), Z. Kostrzewa-Rutkowska (Leiden Observatory), D. Eappachen (SRON/RU), G. Marton (Konkoly Observatory), on behalf of the Gaia Alerts team report/s the discovery of a new astronomical transient.

IAU Designation: AT 2019sbg
Discoverer internal name: Gaia19ele
Coordinates (J2000): RA = 16:07:57.230 (241.988458) DEC = -18:53:51.36 (-18.8976)
Discovery date: 2019-09-17 05:05:16 (JD=2458743.7119907)


Remarks: candidate SN near galaxy SDSS J160757.24-185348.0, in footprint of GW event S190923y

Photometry

Discovery (first detection):
Discovery date: 2019-09-17 05:05:16
Flux: 20.94 ABMag
Filter: G-Gaia
Instrument: Gaia-photometric
Telescope: Gaia Spacecraft

Last non-detection:
Last non-detection date: 2019-08-15 09:41:45
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/2019sbg