TNS Classification Report No. 15381 [ 2023TNSCR1961....1M ]

Date Received (UTC): 2023-08-14 13:27:33
Sender: Antonio Martin-Carrillo
Group: STARGATE

Antonio Martin-Carrillo (UCD), A. J. Levan (Radboud), A. de Ugarte Postigo (OCA/CNRS), L. Izzo (INAF-OACN and DARK/NBI), B. Schneider (MIT), T. Laskar (Utah), B. P. Gompertz (U. Birmingham), D. B. Malesani (Radboud and DAWN/NBI), G. Finneran (UCD), J.F. Agui Fernandez (IAA-CSIC), C.C. Thoene (ASU-CAS), V. D'Elia (ASI-SSDC and INAF-OAR), N.R. Tanvir (U. Leicester), P. Jakobsson (U. Iceland) and G. Pugliese (API, Amsterdam) report/s a classification of object: SN 2023lcr

Type: SN Ic-BL
Redshift: 1.027

Remarks: Spectrum taken 27 days (rest frame) after the likely explosion epoch of the event. Assuming a redshift of z=1.027, the obtained spectrum shows an excellent match to the spectrum of other Ic-BLs such as 1998bw (at 22 days) and 2017iuk (at 26 days).

The following Classification spectrum was provided:

Obsdate: 2023-08-12 00:00:00
Instrument: NIRSpec
Telescope: James Webb Space Telescope

Remarks: Spectrum taken with the clear prism with a fix slit of 0.4". Fluxes in Jy

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