Discovery certificate for object 2018ayg
TNS Astronomical Transient Report No. 17899 [ 2018TNSTR.526....1B ]

Date Received (UTC): 2018-04-22 01:54:16
Sender: Prof. Krzysztof Stanek
Source Group: ASAS-SN

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

IAU Designation: SN 2018ayg
Discoverer internal name: ASASSN-18iw
Coordinates (J2000): RA = 14:43:39.046 (220.91269) DEC = +18:52:12.65 (18.87018)
Discovery date: 2018-04-21 06:28:48 (JD=2458229.77)

Potential host galaxy: 2MASX J14433925+1852124
Host redshift: 0.030973

Remarks: Close to nucleus, confirmed by follow-up images

Photometry

Discovery (first detection):
Discovery date: 2018-04-21 06:28:48
Flux: 18.1 ABMag
Filter: g-Sloan
Instrument: Paczynski
Telescope: ASASSN-Paczynski

Last non-detection:
Last non-detection date: 2018-04-15 07:26:24
Limiting flux: 18.7 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/2018ayg