TNS Classification Report No. 22207 [ 2025TNSCR4119....1B ]
Date Received (UTC): 2025-10-14 14:55:47 Sender: Claudio Balcon
Group: None
Claudio Balcon (Belluno A.O. ISSP) report/s a classification of object: AT 2025aahc
Type: AfterglowRedshift: 0.572
Remarks: The low-resolution spectrum shows a featureless, noise-dominated continuum. Redshift from Martin-Carrillo GCN Circular 42227. This transient is the afterglow of GRB251013C
The following Classification spectrum was provided:
Obsdate: 2025-10-13 20:03:00
Instrument: FOSC-E5535
Telescope: Belluno Telescope
Remarks: GRB/UAI - Gamma ray Burst section of Unione Astrofili Italiani. M.G. Dainotti (National Astronomical Observatory of Japan), Y. Niino (Tokyo University, Institute of Astronomy), K. Kalinowski (Aarhus University, Department of Physics and Astronomy)
Details of the object and its spectra can be viewed here: https://www.wis-tns.org/object/2025aahc
Date Received (UTC): 2025-10-14 14:55:47 Sender: Claudio Balcon
Group: None
Claudio Balcon (Belluno A.O. ISSP) report/s a classification of object: AT 2025aahc
Type: AfterglowRedshift: 0.572
Remarks: The low-resolution spectrum shows a featureless, noise-dominated continuum. Redshift from Martin-Carrillo GCN Circular 42227. This transient is the afterglow of GRB251013C
The following Classification spectrum was provided:
Obsdate: 2025-10-13 20:03:00
Instrument: FOSC-E5535
Telescope: Belluno Telescope
Remarks: GRB/UAI - Gamma ray Burst section of Unione Astrofili Italiani. M.G. Dainotti (National Astronomical Observatory of Japan), Y. Niino (Tokyo University, Institute of Astronomy), K. Kalinowski (Aarhus University, Department of Physics and Astronomy)
Details of the object and its spectra can be viewed here: https://www.wis-tns.org/object/2025aahc