Discovery certificate for object 2018cov
TNS Astronomical Transient Report No. 19476 [ 2018TNSTR.836....1S ]

Date Received (UTC): 2018-06-17 14:11:22
Sender: Prof. Krzysztof Stanek
Source Group: ASAS-SN

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

IAU Designation: SN 2018cov
Discoverer internal name: ASASSN-18my
Coordinates (J2000): RA = 23:49:48.245 (357.45102) DEC = -14:07:09.95 (-14.11943)
Discovery date: 2018-06-17 08:52:48 (JD=2458286.87)

Potential host galaxy: 2MASX J23494835-1407107
Host redshift: 0.051456

Remarks: On the rise, nuclear source, so could also be a TDE

Photometry

Discovery (first detection):
Discovery date: 2018-06-17 08:52:48
Flux: 17.4 ABMag
Filter: g-Sloan
Instrument: Paczynski
Telescope: ASASSN-Paczynski

Last non-detection:
Last non-detection date: 2018-06-12 04:19:12
Limiting flux: 17.5 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/2018cov