Discovery certificate for object 2020llx
TNS Astronomical Transient Report No. 72480 [ 2020TNSTR1625....1S ]

Date Received (UTC): 2020-05-31 13:33:32
Sender: Prof. Krzysztof Stanek
Reporting Group: ASAS-SN     Discovery Data Source: ASAS-SN

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

IAU Designation: SN 2020llx
Discoverer internal name: ASASSN-20fv
Coordinates (J2000): RA = 21:52:14.038 (328.05849) DEC = -55:33:44.17 (-55.56227)
Discovery date: 2020-05-31 00:14:24.000 (JD=2459000.51)

Potential host galaxy: NGC 7140
Host redshift: 0.009947

Remarks: Bright SN candidate in a relatively nearby galaxy, a rapid rise

Photometry

Discovery (first detection):
Discovery date: 2020-05-31 00:14:24.000
Flux: 15 ABMag
Filter: g-Sloan
Instrument: Payne-Gaposchkin
Telescope: ASASSN-Payne-Gaposchkin

Last non-detection:
Last non-detection date: 2020-05-28 00:43:12
Limiting flux: 18.3 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/2020llx