L.A. Balona
We present high-dispersion echelle spectra of two Be stars, h Cen (819 spectra) and eCap (121 spectra), which were intensively monitored for line profile variations. Analysis of these data show that the periodic line profile variations are strongly visible in the circumstellar medium, suggesting that they are probably due to co-rotating circumstellar clouds. The complexity of the line profiles and the nature of the period analysis may account for apparent multiperiodicity which is sometimes reported in the radial velocities.
Manuscript: jad8_1.ps
Echelle spectra image files (FITS): directories ETACEN, EPSCAP