Discovery certificate for object 2017jfy
TNS Astronomical Transient Report No. 15592 [ 2017TNSTR1485....1D ]

Date Received (UTC): 2017-12-28 23:10:27
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 2017jfy
Discoverer internal name: Gaia17dko
Coordinates (J2000): RA = 12:40:27.760 (190.115667) DEC = -05:14:00.78 (-5.23355)
Discovery date: 2017-12-26 15:18:43 (JD=2458114.1379977)


Remarks: long term brightening in Seyfert 1 galaxy HELLAS 167

Photometry

Discovery (first detection):
Discovery date: 2017-12-26 15:18:43
Flux: 18.78 ABMag
Filter: G-Gaia
Instrument: Gaia-photometric
Telescope: Gaia Spacecraft

Last non-detection:
Last non-detection date: 2017-07-19 20:26:52
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/2017jfy