TNS Astronomical Transient Report No. 10858 [ 2017TNSTR.447....1D ]

Date Received (UTC): 2017-04-18 16:11:52
Date made public:
Sender: 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: SN 2017def
Discoverer internal name: Gaia17bao
Coordinates (J2000): RA = 15:22:28.900 (230.620417) DEC = +27:42:25.88 (27.707189)
Discovery date: 2017-04-17 05:15:21.000 (JD=2457860.7189931)


Remarks: candidate SN near galaxy 2MASS J15222917+2742275 (brightest cluster galaxy)

Photometry

Discovery (first detection):
Discovery date: 2017-04-17 05:15:21.000
Flux: 18.88 ABMag
Filter: G-Gaia
Instrument: Gaia-photometric
Telescope: Gaia Spacecraft

Last non-detection:
Last non-detection date: 2017-03-02 12:34:33
Limiting flux: 21.5 ABMag
Filter: G-Gaia
Instrument: Gaia-photometric
Telescope: Gaia Spacecraft


Details of the new object can be viewed here: https://www.wis-tns.org/object/2017def