TNS Astronomical Transient Report No. 279343 [ 2025TNSTR4832....1S ]

Date Received (UTC): 2025-12-04 18:40:08
Date made public:
Sender: NGDEEP_Bot
Reporting Group: NGDEEP     Discovery Data Source: NGDEEP

Magdalena Sammut on behalf of NGDEEP report/s the discovery of a new astronomical transient.

IAU Designation: AT 2024aihr
Coordinates (J2000): RA = 03:33:01.494 (53.2562233) DEC = -27:49:12.93 (-27.8202581)
Discovery date: 2024-01-24 00:00:00.000 (JD=2460333.5)

Potential host galaxy: NGDEEP+53.25622-27.82026
Host redshift: 3.84

Remarks: Host SED was containated with SN light, so the photo-z may be inaccurate

Photometry

Discovery (first detection):
Discovery date: 2024-01-24 00:00:00.000
Flux: 29.96 ABMag
Filter: F200W-JWST
Instrument: NIRCam
Telescope: James Webb Space Telescope

Last non-detection:
Archival info: Other
Remarks: This source was not detected in The Next Generation Deep Extragalactic Exploratory Public (NGDEEP) Survey obs004 images taken on February 2, 2023 (NGDEEP; Cycle 1, 2079)

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