TNS Astronomical Transient Report No. 104140 [ 2021TNSTR.950....1S ]

Date Received (UTC): 2021-03-29 12:43:10
Date made public:
Sender: Krzysztof Stanek
Reporting Group: ASAS-SN     Discovery Data Source: ASAS-SN

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

IAU Designation: SN 2021hfu
Discoverer internal name: ASASSN-21ek
Coordinates (J2000): RA = 08:13:18.449 (123.32687) DEC = +34:55:56.82 (34.93245)
Discovery date: 2021-03-29 04:01:55.200 (JD=2459302.668)

Potential host galaxy: CGCG 178-036
Host redshift: 0.017542

Remarks: Present in several epochs, a possible nuclear transient, so could also be a TDE

Photometry

Discovery (first detection):
Discovery date: 2021-03-29 04:01:55.200
Flux: 16 ABMag
Filter: g-Sloan
Instrument: Leavitt
Telescope: ASASSN-Leavitt

Last non-detection:
Last non-detection date: 2021-03-20 07:37:55
Limiting flux: 18 ABMag
Filter: g-Sloan
Instrument: Leavitt
Telescope: ASASSN-Leavitt


Details of the new object can be viewed here: https://www.wis-tns.org/object/2021hfu