Discovery certificate for object 2018cti
TNS Astronomical Transient Report No. 19641 [ 2018TNSTR.862....1S ]

Date Received (UTC): 2018-06-21 23:41:11
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 2018cti
Discoverer internal name: ASASSN-18ns
Coordinates (J2000): RA = 22:17:30.734 (334.37806) DEC = +11:43:17.58 (11.72155)
Discovery date: 2018-06-21 02:24:00 (JD=2458290.6)

Potential host galaxy: SDSS J221730.91+114316.3

Remarks: In several epochs, unknown redshift, blue SDSS host

Photometry

Discovery (first detection):
Discovery date: 2018-06-21 02:24:00
Flux: 17.6 ABMag
Filter: g-Sloan
Instrument: Payne-Gaposchkin
Telescope: ASASSN-Payne-Gaposchkin

Last non-detection:
Last non-detection date: 2018-06-07 08:38:24
Limiting flux: 17.5 ABMag
Filter: g-Sloan
Instrument: Paczynski
Telescope: ASASSN-Paczynski


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