Discovery certificate for object 2017iwj
TNS Astronomical Transient Report No. 15307 [ 2017TNSTR1399....1D ]

Date Received (UTC): 2017-12-12 14:34:09
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 2017iwj
Discoverer internal name: Gaia17dgb
Coordinates (J2000): RA = 09:28:23.610 (142.098375) DEC = -48:21:10.80 (-48.353)
Discovery date: 2017-12-08 16:24:57 (JD=2458096.1839931)


Remarks: bright blue Galactic plane transient, apparently hostless

Photometry

Discovery (first detection):
Discovery date: 2017-12-08 16:24:57
Flux: 15.46 ABMag
Filter: G-Gaia
Instrument: Gaia-photometric
Telescope: Gaia Spacecraft

Last non-detection:
Last non-detection date: 2017-10-15 11:12:28
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/2017iwj