Discovery certificate for object 2017gyf
TNS Astronomical Transient Report No. 13807 [ 2017TNSTR1040....1D ]

Date Received (UTC): 2017-09-28 16:24:54
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 2017gyf
Discoverer internal name: Gaia17cjm
Coordinates (J2000): RA = 03:57:43.900 (59.432917) DEC = +10:51:44.71 (10.862419)
Discovery date: 2017-09-21 05:00:57 (JD=2458017.7089931)


Remarks: candidate SN near extended DSS/PanSTARRS source (SDSS galaxy SDSS J035743.74+105146.0)

Photometry

Discovery (first detection):
Discovery date: 2017-09-21 05:00:57
Flux: 18.42 ABMag
Filter: G-Gaia
Instrument: Gaia-photometric
Telescope: Gaia Spacecraft

Last non-detection:
Last non-detection date: 2017-08-26 18:50:24
Limiting flux: 21.5 ABMag
Filter: G-Gaia
Instrument: Gaia-photometric
Telescope: Gaia Spacecraft


Details of the new object can be viewed here: https://wis-tns.weizmann.ac.il/object/2017gyf