Discovery certificate for object 2017ghy
TNS Astronomical Transient Report No. 13259 [ 2017TNSTR.922....1D ]

Date Received (UTC): 2017-08-27 10:25:45
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 2017ghy
Discoverer internal name: Gaia17ccl
Coordinates (J2000): RA = 16:57:42.180 (254.42575) DEC = -21:54:36.86 (-21.910239)
Discovery date: 2017-08-22 08:06:43 (JD=2457987.8379977)


Remarks: Gaia Source brightens by almost 2 mag, ~1 mag in the last 20 days

Photometry

Discovery (first detection):
Discovery date: 2017-08-22 08:06:43
Flux: 18.45 ABMag
Filter: G-Gaia
Instrument: Gaia-photometric
Telescope: Gaia Spacecraft

Last non-detection:
Last non-detection date: 2017-03-15 01:03:21
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/2017ghy