Discovery certificate for object 2017gya
TNS Astronomical Transient Report No. 13798 [ 2017TNSTR1040....1D ]

Date Received (UTC): 2017-09-28 15:58:57
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 2017gya
Discoverer internal name: Gaia17cjd
Coordinates (J2000): RA = 15:40:04.950 (235.020625) DEC = -18:30:53.68 (-18.514911)
Discovery date: 2017-09-19 01:46:33 (JD=2458015.5739931)


Remarks: hostless transient declining

Photometry

Discovery (first detection):
Discovery date: 2017-09-19 01:46:33
Flux: 18.85 ABMag
Filter: G-Gaia
Instrument: Gaia-photometric
Telescope: Gaia Spacecraft

Last non-detection:
Last non-detection date: 2017-08-25 19:53:45
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/2017gya