Discovery certificate for object 2017cas
TNS Astronomical Transient Report No. 9964 [ 2017TNSTR.285....1D ]

Date Received (UTC): 2017-03-08 22:42:25
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 2017cas
Discoverer internal name: Gaia17apu
Coordinates (J2000): RA = 15:45:28.860 (236.37025) DEC = +05:02:14.03 (5.037231)
Discovery date: 2017-02-10 12:59:02 (JD=2457795.0409954)


Remarks: candidate SN declining near galaxy SDSS J154528.49+050213.7

Photometry

Discovery (first detection):
Discovery date: 2017-02-10 12:59:02
Flux: 17.3 ABMag
Filter: G-Gaia
Instrument: Gaia-photometric
Telescope: Gaia Spacecraft

Last non-detection:
Last non-detection date: 2017-01-14 19:32:09
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/2017cas