Discovery certificate for object 2018aun
TNS Astronomical Transient Report No. 17775 [ 2018TNSTR.491....1S ]

Date Received (UTC): 2018-04-14 14:27:09
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 2018aun
Discoverer internal name: ASASSN-18hy
Coordinates (J2000): RA = 21:31:47.983 (322.94993) DEC = -46:02:30.98 (-46.04194)
Discovery date: 2018-04-14 09:07:12 (JD=2458222.88)

Potential host galaxy: 2MASS J21314844-4602319

Remarks: In several epochs, unknown redshift host, but a more luminous galaxy with z=0.029887 is nearby

Photometry

Discovery (first detection):
Discovery date: 2018-04-14 09:07:12
Flux: 16.6 ABMag
Filter: g-Sloan
Instrument: Paczynski
Telescope: ASASSN-Paczynski

Last non-detection:
Last non-detection date: 2018-03-28 09:36:00
Limiting flux: 17.8 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/2018aun