Discovery certificate for object 2017iys
TNS Astronomical Transient Report No. 15377 [ 2017TNSTR1432....1D ]

Date Received (UTC): 2017-12-18 23:20:16
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 2017iys
Discoverer internal name: Gaia17dgw
Coordinates (J2000): RA = 04:18:35.320 (64.647167) DEC = -51:44:31.74 (-51.74215)
Discovery date: 2017-12-13 19:01:55 (JD=2458101.2929977)


Remarks: blue hostless transient rising

Photometry

Discovery (first detection):
Discovery date: 2017-12-13 19:01:55
Flux: 17.76 ABMag
Filter: G-Gaia
Instrument: Gaia-photometric
Telescope: Gaia Spacecraft

Last non-detection:
Last non-detection date: 2017-11-14 07:13:26
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/2017iys