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We investigate the accuracy of the parametric recovery of the line-of-sightvelocity distribution (LOSVD) of the stars in a galaxy, while working in pixelspace. Problems appear when the data have a low signal-to-noise ratio, or theobserved LOSVD is not well sampled by the data. We propose a simple solutionbased on maximum penalized likelihood and we apply it to the common situationin which the LOSVD is described by a Gauss-Hermite series. We compare differenttechniques by extracting the stellar kinematics from observations of the barredlenticular galaxy NGC 3384 obtained with the SAURON integral-fieldspectrograph.

Parametric Recovery of Line‐of‐Sight Velocity Distributions from Absorption‐Line Spectra of Galaxies via Penalized Likelihood