Discovery certificate for object 2017exa
TNS Astronomical Transient Report No. 12183 [ 2017TNSTR.686....1D ]

Date Received (UTC): 2017-06-23 16:35:20
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 2017exa
Discoverer internal name: Gaia17bpg
Coordinates (J2000): RA = 19:10:03.640 (287.515167) DEC = +19:51:19.12 (19.855311)
Discovery date: 2017-06-21 04:36:28 (JD=2457925.6919907)


Remarks: hostless transient near galactic plane

Photometry

Discovery (first detection):
Discovery date: 2017-06-21 04:36:28
Flux: 18.69 ABMag
Filter: G-Gaia
Instrument: Gaia-photometric
Telescope: Gaia Spacecraft

Last non-detection:
Last non-detection date: 2017-05-06 17:45:36
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/2017exa