TNS Classification Report No. 21281 [ 2025TNSCR2185....1S ]

Date Received (UTC): 2025-06-11 13:26:38
Sender: Robin Leadbeater
Group: None

Emmanuel Soubrouillard, Robin Leadbeater report/s a classification of object: AT 2025mka

Type: CV

Remarks: The spectrum shows a featureless blue continuum except for a broad absorption at the H delta rest wavelength. The object is collocated (within <1 arcsec) with AT2018ltl, previously classified as a CV. Igor Andreoni et al 2020 ApJ 904 155 There is a faint stellar object at this location in the PanSTARRS reference image. We therefore consider it likely to be an outburst of CV AT2028ltl

The following Classification spectrum was provided:

Obsdate: 2025-05-30 21:34:37
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/2025mka