TNS Astronomical Transient Report No. 22665 [ 2018TNSTR1385....1D ]

Date Received (UTC): 2018-09-15 15:51:55
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: AT 2018gia
Discoverer internal name: Gaia18cpu
Coordinates (J2000): RA = 18:19:24.420 (274.85175) DEC = +19:17:49.67 (19.297131)
Discovery date: 2018-09-11 09:48:57.000 (JD=2458372.9089931)


Remarks: blue transient near Galactic plane, with previous outburst in Gaia lightcurve; aka ASASSN-17cp

Photometry

Discovery (first detection):
Discovery date: 2018-09-11 09:48:57.000
Flux: 18.51 ABMag
Filter: G-Gaia
Instrument: Gaia-photometric
Telescope: Gaia Spacecraft

Last non-detection:
Last non-detection date: 2018-08-21 17:38:24
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/2018gia