Discovery certificate for object 2018act
TNS Astronomical Transient Report No. 17201 [ 2018TNSTR.325....1W ]

Date Received (UTC): 2018-03-09 15:59:44
Sender: Dr. Lukasz Wyrzykowski
Source Group: OGLE

Lukasz Wyrzykowski report/s the discovery of a new astronomical transient.

IAU Designation: AT 2018act
Coordinates (J2000): RA = 04:50:50.650 (72.711042) DEC = -62:55:41.10 (-62.928083)
Discovery date: 2018-03-08 01:13:28 (JD=2458185.55103)

Potential host galaxy: OGLE-GAL-LMC587.02-1535.796-3400.532

Remarks: slowly rising (>50 days) transient located close to the centre of a galaxy (0.5 arcsec)

Photometry

Discovery (first detection):
Discovery date: 2018-03-08 01:13:28
Flux: 21.412 VegaMag
Filter: I-Cousins
Instrument: OGLEIV-Cam
Telescope: The 1.3 m OGLE Warsaw Telescope

Last non-detection:
Last non-detection date: 2018-01-15 03:39:56
Limiting flux: 22 VegaMag
Filter: I-Cousins
Instrument: OGLEIV-Cam
Telescope: The 1.3 m OGLE Warsaw Telescope

Remarks: forced photometry, host light removed

Details of the new object can be viewed here: https://wis-tns.weizmann.ac.il/object/2018act