Discovery certificate for object 2018ayf
TNS Astronomical Transient Report No. 17898 [ 2018TNSTR.527....1T ]

Date Received (UTC): 2018-04-22 01:31:54
Sender: Prof. Krzysztof Stanek
Source Group: ASAS-SN

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

IAU Designation: SN 2018ayf
Discoverer internal name: ASASSN-18iv
Coordinates (J2000): RA = 09:41:10.634 (145.29431) DEC = +24:01:20.51 (24.022364)
Discovery date: 2018-04-19 23:31:12 (JD=2458228.48)

Potential host galaxy: 2MASX J09411042+2401218
Host redshift: 0.070028

Remarks: Confirmed by follow-up imaging

Photometry

Discovery (first detection):
Discovery date: 2018-04-19 23:31:12
Flux: 17 VegaMag
Filter: V-Johnson
Instrument: Cassius
Telescope: ASASSN-Cassius

Last non-detection:
Last non-detection date: 2018-04-19 00:14:24
Limiting flux: 17.2 VegaMag
Filter: V-Johnson
Instrument: Cassius
Telescope: ASASSN-Cassius


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