Discovery certificate for object 2018bsg
TNS Astronomical Transient Report No. 18630 [ 2018TNSTR.645....1S ]

Date Received (UTC): 2018-05-16 13:23:51
Sender: Prof. Krzysztof Stanek
Source Group: ASAS-SN

G. Stone, J. Brimacombe, K. Z. Stanek, for the ASAS-SN team report/s the discovery of a new astronomical transient.

IAU Designation: SN 2018bsg
Discoverer internal name: ASASSN-18ke
Coordinates (J2000): RA = 10:10:28.106 (152.61711) DEC = +02:13:49.76 (2.23049)
Discovery date: 2018-05-15 18:00:00 (JD=2458254.25)

Potential host galaxy: UGC 05487
Host redshift: 0.021686

Remarks: In two epochs, confirmed by follow-up images

Photometry

Discovery (first detection):
Discovery date: 2018-05-15 18:00:00
Flux: 17.9 ABMag
Filter: g-Sloan
Instrument: Payne-Gaposchkin
Telescope: ASASSN-Payne-Gaposchkin

Last non-detection:
Last non-detection date: 2018-05-13 18:00:00
Limiting flux: 18.8 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/2018bsg