Discovery certificate for object 2018ko
TNS Astronomical Transient Report No. 16627 [ 2018TNSTR.112....1B ]

Date Received (UTC): 2018-01-24 18:53:31
Sender: Mr. Jonathan Brown
Source Group: ASAS-SN

Jonathan Brown, on behalf of the ASAS-SN team report/s the discovery of a new astronomical transient.

IAU Designation: SN 2018ko
Discoverer internal name: ASASSN-18bi
Coordinates (J2000): RA = 12:21:35.100 (185.39625) DEC = +15:59:08.60 (15.985722)
Discovery date: 2018-01-24 10:19:12 (JD=2458142.93)

Potential host galaxy: VCC 0485
Host redshift: 0.033


Photometry

Discovery (first detection):
Discovery date: 2018-01-24 10:19:12
Flux: 16.8 ABMag
Filter: g-Sloan
Instrument: Payne-Gaposchkin
Telescope: ASASSN-Payne-Gaposchkin

Last non-detection:
Last non-detection date: 2018-01-12 07:55:12
Limiting flux: 18.4 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/2018ko