Discovery certificate for object 2018awn
TNS Astronomical Transient Report No. 17849 [ 2018TNSTR.516....1S ]

Date Received (UTC): 2018-04-20 13:45:38
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 2018awn
Discoverer internal name: ASASSN-18io
Coordinates (J2000): RA = 11:30:11.618 (172.54841) DEC = +04:24:55.58 (4.41544)
Discovery date: 2018-04-20 05:16:48 (JD=2458228.72)

Potential host galaxy: 2MASX J11301164+0424561
Host redshift: 0.029123

Remarks: In several epochs, on the rise, nuclear source, so could also be a TDE

Photometry

Discovery (first detection):
Discovery date: 2018-04-20 05:16:48
Flux: 16.9 ABMag
Filter: g-Sloan
Instrument: Paczynski
Telescope: ASASSN-Paczynski

Last non-detection:
Last non-detection date: 2018-04-15 19:26:24
Limiting flux: 18.1 ABMag
Filter: g-Sloan
Instrument: Payne-Gaposchkin
Telescope: ASASSN-Payne-Gaposchkin


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