TNS Astronomical Transient Report No. 82355 [ 2020TNSTR2814....1V ]

Date Received (UTC): 2020-09-16 18:05:15
Date made public:
Sender: Patrick Vallely
Reporting Group: ASAS-SN     Discovery Data Source: ASAS-SN

P. Vallely, for the ASAS-SN team report/s the discovery of a new astronomical transient.

IAU Designation: AT 2020tll
Discoverer internal name: ASASSN-20lu
Coordinates (J2000): RA = 00:09:57.698 (2.49041) DEC = -57:01:27.26 (-57.02424)
Discovery date: 2020-09-15 22:04:48.000 (JD=2459108.42)

Potential host galaxy: NGC 0025
Host redshift: 0.031572

Remarks: Observed on the rise in multiple epochs.

Photometry

Discovery (first detection):
Discovery date: 2020-09-15 22:04:48.000
Flux: 18.2 ABMag
Filter: g-Sloan
Instrument: Payne-Gaposchkin
Telescope: ASASSN-Payne-Gaposchkin

Last non-detection:
Last non-detection date: 2020-09-04 20:24:00
Limiting flux: 17.1 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/2020tll