Discovery certificate for object 2017aby
TNS Astronomical Transient Report No. 8509 [ 2017TNSTR.146....1D ]

Date Received (UTC): 2017-02-03 21:15:27
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 2017aby
Discoverer internal name: Gaia17agz
Coordinates (J2000): RA = 17:19:36.920 (259.903833) DEC = -25:01:04.12 (-25.017811)
Discovery date: 2017-01-27 19:46:33 (JD=2457781.3239931)


Remarks: transient close to low mass X-ray binary V2293 Oph

Photometry

Discovery (first detection):
Discovery date: 2017-01-27 19:46:33
Flux: 16.4 ABMag
Filter: G-Gaia
Instrument: Gaia-photometric
Telescope: Gaia Spacecraft

Last non-detection:
Last non-detection date: 2016-10-29 00:14:24
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/2017aby