Discovery certificate for object 2020tld
TNS Astronomical Transient Report No. 82328 [ 2020TNSTR2813....1B ]

Date Received (UTC): 2020-09-16 14:27:12
Sender: Prof. Krzysztof Stanek
Reporting Group: ASAS-SN     Discovery Data Source: ASAS-SN

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

IAU Designation: SN 2020tld
Discoverer internal name: ASASSN-20ls
Coordinates (J2000): RA = 00:29:41.590 (7.42329) DEC = -51:32:10.97 (-51.53638)
Discovery date: 2020-09-15 23:45:36.000 (JD=2459108.49)

Potential host galaxy: ESO 194- G 021
Host redshift: 0.011201

Remarks: Significantly offset from the presumed host galaxy, confirmed by follow-up imaging, in TESS

Photometry

Discovery (first detection):
Discovery date: 2020-09-15 23:45:36.000
Flux: 17 ABMag
Filter: g-Sloan
Instrument: Payne-Gaposchkin
Telescope: ASASSN-Payne-Gaposchkin

Last non-detection:
Last non-detection date: 2020-09-11 23:02:24
Limiting flux: 17.8 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/2020tld