Discovery certificate for object 2020sjw
TNS Astronomical Transient Report No. 81136 [ 2020TNSTR2697....1B ]

Date Received (UTC): 2020-09-02 20:51:06
Sender: Prof. Krzysztof Stanek
Reporting Group: ASAS-SN     Discovery Data Source: ASAS-SN

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

IAU Designation: SN 2020sjw
Discoverer internal name: ASASSN-20ld
Coordinates (J2000): RA = 18:37:09.216 (279.2884) DEC = -65:15:37.12 (-65.26031)
Discovery date: 2020-09-01 22:48:00.000 (JD=2459094.45)

Potential host galaxy: AM 1832-652 NED01
Host redshift: 0.015491

Remarks: Relatively bright SN candidate in a blue, irregular host, confirmed via follow-up imaging

Photometry

Discovery (first detection):
Discovery date: 2020-09-01 22:48:00.000
Flux: 15.7 ABMag
Filter: g-Sloan
Instrument: Payne-Gaposchkin
Telescope: ASASSN-Payne-Gaposchkin

Last non-detection:
Last non-detection date: 2020-08-25 18:57:36
Limiting flux: 17.7 ABMag
Filter: g-Sloan
Instrument: Payne-Gaposchkin
Telescope: ASASSN-Payne-Gaposchkin


Details of the new object can be viewed here: https://www.wis-tns.org/object/2020sjw