Discovery certificate for object 2018bg
TNS Astronomical Transient Report No. 16314 [ 2018TNSTR..21....1S ]

Date Received (UTC): 2018-01-07 04:02:31
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 2018bg
Discoverer internal name: ASASSN-18aa
Coordinates (J2000): RA = 05:11:47.873 (77.94947) DEC = -40:11:44.05 (-40.19557)
Discovery date: 2018-01-07 00:28:48 (JD=2458125.52)

Potential host galaxy: GALEXMSC J051147.86-401142.5

Remarks: In several epochs, unknown redshift host

Photometry

Discovery (first detection):
Discovery date: 2018-01-07 00:28:48
Flux: 16.5 ABMag
Filter: g-Sloan
Instrument: Paczynski
Telescope: ASASSN-Paczynski

Last non-detection:
Last non-detection date: 2017-12-31 03:21:36
Limiting flux: 16.6 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/2018bg