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We report the discovery of the second compact elliptical (cE) galaxy SDSS   J 150634.27+013331.6  in the nearby NGC 5846 group by the Virtual Observatory (VO) workflow. This object (  M B  =−15.98  mag,   R e  = 0.24  kpc ) becomes the fifth cE where the spatially resolved kinematics and stellar populations can be obtained. We used archival  HST  WFPC2 images to demonstrate that its light profile has a two‐component structure, and integrated photometry from GALEX, SDSS, UKIDSS and  Spitzer  to build the multiwavelength spectral energy distribution to constrain the star formation history (SFH). We observed this galaxy with the PMAS IFU spectrograph at the Calar‐Alto 3.5‐m telescope and obtained two‐dimensional maps of its kinematics and stellar population properties using the full‐spectral fitting technique. Its structural, dynamical and stellar population properties suggest that it had a massive progenitor heavily tidally stripped by NGC 5846.

SDSS J150634.27+013331.6: the second compact elliptical galaxy in the NGC 5846 group ★