TNS Astronomical Transient Report No. 168241 [ 2023TNSTR..42....1K ]

Date Received (UTC): 2023-01-09 22:22:51
Date made public:
Sender: Krzysztof Stanek
Reporting Group: ASAS-SN     Discovery Data Source: ASAS-SN

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

IAU Designation: SN 2023eb
Discoverer internal name: ASASSN-23aa
Coordinates (J2000): RA = 04:53:30.211 (73.37588) DEC = -17:55:37.34 (-17.92704)
Discovery date: 2023-01-05 05:31:12.000 (JD=2459949.73)

Potential host galaxy: WISEA J045330.16-175537.4
Host redshift: 0.041685

Remarks: Present in several epochs, on the rise; nuclear source, so could also be a TDE

Photometry

Discovery (first detection):
Discovery date: 2023-01-05 05:31:12.000
Flux: 16.7 ABMag
Filter: g-Sloan
Instrument: Cassius
Telescope: ASASSN-Cassius

Last non-detection:
Last non-detection date: 2022-12-28 19:55:12
Limiting flux: 18.2 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/2023eb