AT2024wpp Double-Peaked Emission Analysis

Origin of late-time double-peaked H and He emission features in a luminous fast transient

Observed Profile Parameters

Velocity Separation6613 km/s
Systemic FWHM2006 km/s
Blue FWHM1997 km/s
Flux Ratio (blue/sys)0.80
Emergence Window35-55 days
Peak Luminosity1045 erg/s

Model Comparison

Modelχ2νΔBIC
Tidal Stream29.3144.5
Companion Ablation31.03108.1
Disk Wind40.68385.9
Combined (Tidal+Comp)27.280.0
Optimal weights: wtidal=0.54, wcomp=0.46

Emission Line Profiles

Model Fit Quality

Temporal Evolution