Discovery certificate for object 2017gey
TNS Astronomical Transient Report No. 13178 [ 2017TNSTR.878....1D ]

Date Received (UTC): 2017-08-17 23:23:49
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 2017gey
Discoverer internal name: Gaia17cby
Coordinates (J2000): RA = 17:53:16.150 (268.317292) DEC = -44:48:16.52 (-44.804589)
Discovery date: 2017-08-13 15:36:00 (JD=2457979.15)


Remarks: Gaia source coincident with WXRT J175315.7-444818 brightens by ~2.5 mags, previous outbursts in LC

Photometry

Discovery (first detection):
Discovery date: 2017-08-13 15:36:00
Flux: 15.76 ABMag
Filter: G-Gaia
Instrument: Gaia-photometric
Telescope: Gaia Spacecraft

Last non-detection:
Last non-detection date: 2017-08-02 15:28:48
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/2017gey