Discovery certificate for object 2018tj
TNS Astronomical Transient Report No. 16903 [ 2018TNSTR.207....1G ]

Date Received (UTC): 2018-02-13 00:52:03
Sender: Dr. Mariusz Gromadzki
Reporting Group: None     Discovery Data Source: None

Mariusz Gromadzki (Warsaw Observatory), Lukasz Wyrzykowski (Warsaw Observatory), Juan Carlos Beamin (Univ. de Valparaiso, Millennium Institute of Astrophysics), Pawel Zielinski (Warsaw Observatory), Nada Ihanec (University of Nova Gorica), Aleksandra Hamanowicz (ESO), Kris Rybicki (Warsaw Observatory) report/s the discovery of a new astronomical transient.

IAU Designation: AT 2018tj
Coordinates (J2000): RA = 05:12:25.810 (78.107542) DEC = -49:20:39.20 (-49.344222)
Discovery date: 2018-02-12 05:22:09.000 (JD=2458161.72372)

Potential host galaxy: OGLE-GAL-LMC694.03-1207.434-3952


Photometry

Discovery (first detection):
Discovery date: 2018-02-12 05:22:09.000
Flux: 20.944 VegaMag
Filter: I-Cousins
Instrument: OGLEIV-Cam
Telescope: The 1.3 m OGLE Warsaw Telescope

Last non-detection:
Last non-detection date: 2017-02-23 01:28:22
Limiting flux: 22 VegaMag
Filter: I-Cousins
Instrument: OGLEIV-Cam
Telescope: The 1.3 m OGLE Warsaw Telescope


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