Discovery certificate for object 2018cnp
TNS Astronomical Transient Report No. 19421 [ 2018TNSTR.822....1B ]

Date Received (UTC): 2018-06-15 16:28:10
Sender: Prof. Krzysztof Stanek
Source Group: ASAS-SN

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

IAU Designation: SN 2018cnp
Discoverer internal name: ASASSN-18mv
Coordinates (J2000): RA = 13:49:39.470 (207.41446) DEC = +47:49:09.37 (47.81927)
Discovery date: 2018-06-10 07:40:48 (JD=2458279.82)

Potential host galaxy: 2MASX J13493979+4749084
Host redshift: 0.027876

Remarks: In many epochs, nuclear source, so could also be a TDE or "changing look" AGN activity

Photometry

Discovery (first detection):
Discovery date: 2018-06-10 07:40:48
Flux: 16.5 VegaMag
Filter: V-Johnson
Instrument: Brutus
Telescope: ASASSN-Brutus

Last non-detection:
Last non-detection date: 2018-05-20 05:31:12
Limiting flux: 18.1 ABMag
Filter: g-Sloan
Instrument: Leavitt
Telescope: ASASSN-Leavitt


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