TNS Astronomical Transient Report No. 25245 [ 2018TNSTR1797....1D ]

Date Received (UTC): 2018-11-20 19:42:58
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 2018isr
Discoverer internal name: Gaia18dml
Coordinates (J2000): RA = 19:28:34.600 (292.144167) DEC = +23:08:02.08 (23.133911)
Discovery date: 2018-11-18 20:42:43.000 (JD=2458441.3629977)


Remarks: slow increase in brightness by 0.2 mag in a Galactic plane source, candidate microlensing event

Photometry

Discovery (first detection):
Discovery date: 2018-11-18 20:42:43.000
Flux: 18.47 ABMag
Filter: G-Gaia
Instrument: Gaia-photometric
Telescope: Gaia Spacecraft

Last non-detection:
Last non-detection date: 2018-10-18 03:07:12
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/2018isr