Discovery certificate for object 2020rub
TNS Astronomical Transient Report No. 80483 [ 2020TNSTR2564....1B ]

Date Received (UTC): 2020-08-21 16:21:52
Sender: Patrick Vallely
Reporting Group: ASAS-SN     Discovery Data Source: ASAS-SN

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

IAU Designation: AT 2020rub
Discoverer internal name: ASASSN-20km
Coordinates (J2000): RA = 22:17:06.166 (334.27569) DEC = -26:38:39.11 (-26.644197)
Discovery date: 2020-08-21 05:31:12.000 (JD=2459082.73)

Potential host galaxy: WISEA J221705.91-263845.0
Host redshift: 0.060065

Remarks: Confirmed in follow-up images.

Photometry

Discovery (first detection):
Discovery date: 2020-08-21 05:31:12.000
Flux: 17.1 ABMag
Filter: g-Sloan
Instrument: Leavitt
Telescope: ASASSN-Leavitt

Last non-detection:
Last non-detection date: 2020-08-18 06:57:36
Limiting flux: 18.1 ABMag
Filter: g-Sloan
Instrument: Leavitt
Telescope: ASASSN-Leavitt


Details of the new object can be viewed here: https://wis-tns.weizmann.ac.il/object/2020rub