TNS Astronomical Transient Report No. 23264 [ 2018TNSTR1490....1D ]

Date Received (UTC): 2018-10-02 07:41:49
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 2018hah
Discoverer internal name: Gaia18cvl
Coordinates (J2000): RA = 13:21:02.250 (200.259375) DEC = +58:05:26.66 (58.090739)
Discovery date: 2018-09-29 22:16:19.000 (JD=2458391.4279977)


Remarks: centre of galaxy LEDA 2574423 gets brighter by 1 mag and bluer

Photometry

Discovery (first detection):
Discovery date: 2018-09-29 22:16:19.000
Flux: 18.99 ABMag
Filter: G-Gaia
Instrument: Gaia-photometric
Telescope: Gaia Spacecraft

Last non-detection:
Last non-detection date: 2018-08-14 18:24:28
Limiting flux: 21.5 ABMag
Filter: G-Gaia
Instrument: Gaia-photometric
Telescope: Gaia Spacecraft


Details of the new object can be viewed here: https://www.wis-tns.org/object/2018hah