TNS Classification Report No. 15621 [ 2023TNSCR2358....1S ]

Date Received (UTC): 2023-09-22 15:48:26
Sender: Andrea Saccardi
Group: STARGATE

A. Saccardi (GEPI/Paris Obs.), L. Izzo (INAF/OACn & DARK/NBI), J. T. Palmerio (GEPI/Paris Obs. & IAP), D. B. Malesani (Radboud Univ. & DAWN/NBI), P. D'Avanzo (INAF-OABr), V. D’Elia (ASI-SSDC & INAF-OAR), M. Della Valle (INAF/OAC), D. H. Hartmann (Clemson Univ.), K. E. Heintz (DAWN/NBI), P. Jakobsson (U. of Iceland), L. Kaper (U. of Amsterdam), G. Leloudas (DTU Space), A. J. Levan (Radboud Univ.), A. Martin-Carrillo (UCD), B. Schneider (MIT), S. Schulze (OKC), A. de Ugarte Postigo (OCA), and K. Wiersema (U. of Hertfordshire) report/s a classification of object: AT 2023tbf

Type: CV

Remarks: Comparison with template spectra (e.g. Morales-Rueda & Marsh, 2002, MNRAS, 332, 814) enables to classify AT 2023tbf as a dwarf nova. See GCN Circular 34753 (https://gcn.nasa.gov/circulars/34753)

The following Classification spectrum was provided:

Obsdate: 2023-09-20 01:56:21
Instrument: X-Shooter
Telescope: The Very Large Telescope - UT2

Remarks: //gcn.nasa.gov/circulars/34753)

Details of the object and its spectra can be viewed here: https://www.wis-tns.org/object/2023tbf