1994A&A...285L..17S

We have monitored the weak-lined T Tauri star V410 Tau spectroscopically for six nights in 1992. We detected periodic line-profile variations that are used to obtain a Doppler image of this star, the first of a pre-main sequence T Tauri star. Inverse solutions from three moderately-strong absorption lines show consistent surface inhomogeneities of the effective temperature distribution of up to 1200K cooler and at least 500K hotter than the nominal photospheric temperature of 4400K. Our maps thus verify the proposed existence of hot spots on weak-lined T Tauri stars. All features are evident at low and very high latitudes even covering the rotational pole but not a cool polar cap-like spot as seen previously for several other active stars.