Discovery certificate for object 2017exj
TNS Astronomical Transient Report No. 12193 [ 2017TNSTR.690....1D ]

Date Received (UTC): 2017-06-24 07:56:33
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 2017exj
Discoverer internal name: Gaia17bpp
Coordinates (J2000): RA = 19:37:23.160 (294.3465) DEC = +17:59:02.90 (17.984139)
Discovery date: 2017-06-21 22:43:40 (JD=2457926.4469907)


Remarks: increasing rise in brightness (over 2 mag within ~year) of Galactic plane red source

Photometry

Discovery (first detection):
Discovery date: 2017-06-21 22:43:40
Flux: 17.76 ABMag
Filter: G-Gaia
Instrument: Gaia-photometric
Telescope: Gaia Spacecraft

Last non-detection:
Last non-detection date: 2017-05-08 11:47:02
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/2017exj