Discovery certificate for object 2017gyj
TNS Astronomical Transient Report No. 13812 [ 2017TNSTR1040....1D ]

Date Received (UTC): 2017-09-28 16:42:51
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 2017gyj
Discoverer internal name: Gaia17cjr
Coordinates (J2000): RA = 22:12:23.350 (333.097292) DEC = -58:53:53.27 (-58.898131)
Discovery date: 2017-09-21 18:38:52 (JD=2458018.2769907)


Remarks: candidate SN near galaxy APMUKS(BJ) B220858.40-590844.1

Photometry

Discovery (first detection):
Discovery date: 2017-09-21 18:38:52
Flux: 18.51 ABMag
Filter: G-Gaia
Instrument: Gaia-photometric
Telescope: Gaia Spacecraft

Last non-detection:
Last non-detection date: 2017-07-22 06:48:57
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/2017gyj