Discovery certificate for object 2017fat
TNS Astronomical Transient Report No. 12288 [ 2017TNSTR.710....1D ]

Date Received (UTC): 2017-06-30 07:42:25
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 2017fat
Discoverer internal name: Gaia17bqm
Coordinates (J2000): RA = 02:56:41.010 (44.170875) DEC = -42:34:55.16 (-42.581989)
Discovery date: 2017-06-05 00:41:45.000 (JD=2457909.5289931)


Remarks: declining blue hostless transient, aka MASTER J025640.97-423456.0

Photometry

Discovery (first detection):
Discovery date: 2017-06-05 00:41:45.000
Flux: 18.18 ABMag
Filter: G-Gaia
Instrument: Gaia-photometric
Telescope: Gaia Spacecraft

Last non-detection:
Last non-detection date: 2017-04-23 09:43:12
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/2017fat