Discovery certificate for object 2017hga
TNS Astronomical Transient Report No. 14034 [ 2017TNSTR1092....1D ]

Date Received (UTC): 2017-10-10 19:44:14
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 2017hga
Discoverer internal name: Gaia17coj
Coordinates (J2000): RA = 21:34:10.310 (323.542958) DEC = -01:53:17.27 (-1.888131)
Discovery date: 2017-10-09 01:29:16 (JD=2458035.5619907)


Remarks: Source coincident with 4C -02.81 (BL Lac object) brightens by ~1mag, previous brightening in LC

Photometry

Discovery (first detection):
Discovery date: 2017-10-09 01:29:16
Flux: 16.88 ABMag
Filter: G-Gaia
Instrument: Gaia-photometric
Telescope: Gaia Spacecraft

Last non-detection:
Last non-detection date: 2017-06-26 19:09:07
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/2017hga