Discovery certificate for object 2018cnf
TNS Astronomical Transient Report No. 19408 [ 2018TNSTR.816....1B ]

Date Received (UTC): 2018-06-14 18:24:13
Sender: Prof. Krzysztof Stanek
Source Group: ASAS-SN

J. Brimacombe, K. Z. Stanek, for the ASAS-SN team report/s the discovery of a new astronomical transient.

IAU Designation: SN 2018cnf
Discoverer internal name: ASASSN-18mr
Coordinates (J2000): RA = 23:39:31.212 (354.88005) DEC = -03:08:55.18 (-3.14866)
Discovery date: 2018-06-14 08:09:36 (JD=2458283.84)

Potential host galaxy: 2MASX J23393156-0308565
Host redshift: 0.023763

Remarks: In several epochs, confirmed via follow-up imaging; coincides in position with SN PS15dkt

Photometry

Discovery (first detection):
Discovery date: 2018-06-14 08:09:36
Flux: 17.7 ABMag
Filter: g-Sloan
Instrument: Paczynski
Telescope: ASASSN-Paczynski

Last non-detection:
Last non-detection date: 2018-06-05 01:55:12
Limiting flux: 17.8 ABMag
Filter: g-Sloan
Instrument: Payne-Gaposchkin
Telescope: ASASSN-Payne-Gaposchkin


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