Discovery certificate for object 2018fen
TNS Astronomical Transient Report No. 21712 [ 2018TNSTR1197....1W ]

Date Received (UTC): 2018-08-17 13:28:30
Sender: Dr. Lukasz Wyrzykowski
Source Group: OGLE

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

IAU Designation: AT 2018fen
Discoverer internal name: MBR220.24.472.33.3474.33
Coordinates (J2000): RA = 03:45:25.870 (56.357792) DEC = -68:34:06.00 (-68.568333)
Discovery date: 2018-08-14 09:16:03 (JD=2458344.88615)


Remarks: hostless transient, flat light curve for more than 20 days, probably SN IIP

Photometry

Discovery (first detection):
Discovery date: 2018-08-14 09:16:03
Flux: 20.542 VegaMag
Filter: I-Cousins
Instrument: OGLEIV-Cam
Telescope: The 1.3 m OGLE Warsaw Telescope

Remarks: first detection

Last non-detection:
Last non-detection date: 2018-07-13 10:21:30
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://wis-tns.weizmann.ac.il/object/2018fen