Discovery certificate for object 2017bib
TNS Astronomical Transient Report No. 9417 [ 2017TNSTR.231....1D ]

Date Received (UTC): 2017-02-23 13:36:16
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 2017bib
Discoverer internal name: Gaia17alk
Coordinates (J2000): RA = 11:51:39.160 (177.913167) DEC = +55:43:37.24 (55.727011)
Discovery date: 2017-02-17 19:48:00.000 (JD=2457802.325)


Remarks: candidate SN in outskirts of galaxy SDSS J115138.92+554335.6, GS-TEC predicts SN Ia, rising

Photometry

Discovery (first detection):
Discovery date: 2017-02-17 19:48:00.000
Flux: 18.93 ABMag
Filter: G-Gaia
Instrument: Gaia-photometric
Telescope: Gaia Spacecraft

Last non-detection:
Last non-detection date: 2017-02-10 19:43:40
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/2017bib