Discovery certificate for object 2018iz
TNS Astronomical Transient Report No. 16570 [ 2018TNSTR..96....1S ]

Date Received (UTC): 2018-01-21 00:36:44
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: AT 2018iz
Discoverer internal name: ASASSN-18ay
Coordinates (J2000): RA = 05:07:01.438 (76.75599) DEC = -35:55:13.69 (-35.92047)
Discovery date: 2018-01-20 03:07:12 (JD=2458138.63)


Remarks: Very bright, no match in Vizier; most likely a high-amplitude CV, but could also be a SLSN

Photometry

Discovery (first detection):
Discovery date: 2018-01-20 03:07:12
Flux: 13.5 ABMag
Filter: g-Sloan
Instrument: Paczynski
Telescope: ASASSN-Paczynski

Last non-detection:
Last non-detection date: 2018-01-19 03:07:12
Limiting flux: 18.4 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/2018iz