TNS Astronomical Transient Report No. 237107 [ 2024TNSTR5068....1S ]

Date Received (UTC): 2024-12-25 11:09:30
Date made public:
Sender: Taiga Sasaoka
Reporting Group: Tomo-e Gozen     Discovery Data Source: Tomo-e Gozen

Taiga Sasaoka (The University of Tokyo), Ryotaro Koshi (The University of Tokyo), Shigeyuki Sako (The University of Tokyo), Nozomu Tominaga (National Astronomical Observatory of Japan) report/s the discovery of a new astronomical transient.

IAU Designation: AT 2024aexk
Discoverer internal name: Tomo-e 202412aaaasgbxl
Coordinates (J2000): RA = 20:47:03.978 (311.7665752) DEC = +10:20:58.18 (10.3494935)
Discovery date: 2024-12-25 09:21:36.000 (JD=2460669.89)



Photometry

Discovery (first detection):
Discovery date: 2024-12-25 09:21:36.000
Flux: 18.66 ABMag
Filter: Clear-
Instrument: Other
Telescope: Other

Remarks: Observation with the Tomo-e Gozen camera on the 1.05 Kiso Schmidt telescope. No filter used (the peak wavelength is 500nm and the wavelength range is 350-900nm).

Last non-detection:
Last non-detection date: 2024-12-20 09:07:12
Limiting flux: 15.39 ABMag
Filter: Clear-
Instrument: Other
Telescope: Other

Remarks: Observation with the Tomo-e Gozen camera on the 1.05 Kiso Schmidt telescope. No filter used (the peak wavelength is 500nm and the wavelength range is 350-900nm).

Details of the new object can be viewed here: https://www.wis-tns.org/object/2024aexk