Discovery certificate for object 2017coy
TNS Astronomical Transient Report No. 10389 [ 2017TNSTR.385....1D ]

Date Received (UTC): 2017-04-01 10:01:12
Sender: Gaia (Gaia_Bot1)
Reporting Group: GaiaAlerts     Discovery Data Source: 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 2017coy
Discoverer internal name: Gaia17avl
Coordinates (J2000): RA = 09:05:04.510 (136.268792) DEC = +71:39:32.08 (71.658911)
Discovery date: 2017-03-28 22:33:36.000 (JD=2457841.44)


Remarks: candidate SN near DSS blob and UV source GALEXASC J090504.50+713922.9, GS-TEC predicts SN Ia

Photometry

Discovery (first detection):
Discovery date: 2017-03-28 22:33:36.000
Flux: 18.94 ABMag
Filter: G-Gaia
Instrument: Gaia-photometric
Telescope: Gaia Spacecraft

Last non-detection:
Last non-detection date: 2017-02-18 11:38:24
Limiting flux: 21.5 ABMag
Filter: G-Gaia
Instrument: Gaia-photometric
Telescope: Gaia Spacecraft


Details of the new object can be viewed here: https://www.wis-tns.org/object/2017coy