Discovery certificate for object 2018abn
TNS Astronomical Transient Report No. 17165 [ 2018TNSTR.308....1B ]

Date Received (UTC): 2018-03-07 14:24:42
Sender: Prof. Krzysztof Stanek
Reporting Group: ASAS-SN     Discovery Data Source: ASAS-SN

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

IAU Designation: SN 2018abn
Discoverer internal name: ASASSN-18ev
Coordinates (J2000): RA = 03:31:53.014 (52.97089) DEC = -52:07:24.13 (-52.12337)
Discovery date: 2018-03-04 00:28:48.000 (JD=2458181.52)

Potential host galaxy: ESO 200-IG 037 NED01
Host redshift: 0.039461

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

Photometry

Discovery (first detection):
Discovery date: 2018-03-04 00:28:48.000
Flux: 17.4 ABMag
Filter: g-Sloan
Instrument: Paczynski
Telescope: ASASSN-Paczynski

Last non-detection:
Last non-detection date: 2018-03-02 01:40:48
Limiting flux: 16.4 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/2018abn