TNS Classification Report No. 20285 [ 2025TNSCR.433....1L ]

Date Received (UTC): 2025-01-31 18:45:06
Sender: Robin Leadbeater
Group: None

Robin Leadbeater, Emmanuel Soubrouillard report/s a classification of object: SN 2025aec

Type: SN Ia
Redshift: 0.055

Remarks: SNID ( Blondin, S. & Tonry, J. L. 2007. ApJ, 666, 1024) gives credible matches to type 1a supernovae pre maximum at the redshift of the probable host. (Redshift from NED). Removing contamination from the host galaxy in the spectrum using the SDSS galaxy spectrum as a template improves the quality of the match. Example matches are attached.

The following Classification spectrum was provided:

Obsdate: 2025-01-29 00:00:01
Instrument: Other
Telescope: Other

Remarks: Spectrum taken by Emmanuel Soubrouillard using an ALPY200 grism slit spectrograph (R~130) and a 0.3m aperture telescope

Details of the object and its spectra can be viewed here: https://www.wis-tns.org/object/2025aec