Discovery certificate for object 2017htn
TNS Astronomical Transient Report No. 14426 [ 2017TNSTR1204....1D ]

Date Received (UTC): 2017-11-03 12:38:21
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 2017htn
Discoverer internal name: Gaia17csv
Coordinates (J2000): RA = 18:35:14.480 (278.810333) DEC = -46:51:37.73 (-46.860481)
Discovery date: 2017-10-27 06:28:48 (JD=2458053.77)


Remarks: candidate SN, no obvious host, GS-TEC predicts SN Ia

Photometry

Discovery (first detection):
Discovery date: 2017-10-27 06:28:48
Flux: 18.92 ABMag
Filter: G-Gaia
Instrument: Gaia-photometric
Telescope: Gaia Spacecraft

Last non-detection:
Last non-detection date: 2017-09-22 07:10:33
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/2017htn