Discovery certificate for object 2018fna
TNS Astronomical Transient Report No. 21993 [ 2018TNSTR1260....1D ]

Date Received (UTC): 2018-08-30 14:30:18
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 2018fna
Discoverer internal name: Gaia18cjn
Coordinates (J2000): RA = 18:57:20.380 (284.334917) DEC = +71:31:18.77 (71.521881)
Discovery date: 2018-08-24 22:42:14 (JD=2458355.4459954)


Remarks: Dwarf Nova HS 1857+7127 brightens by ~2 mags

Photometry

Discovery (first detection):
Discovery date: 2018-08-24 22:42:14
Flux: 14 ABMag
Filter: G-Gaia
Instrument: Gaia-photometric
Telescope: Gaia Spacecraft

Last non-detection:
Last non-detection date: 2017-11-08 20:35:31
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/2018fna