A study of the magnetic helium variable emission-line star HD 125823
arXiv:astro-ph/0703478 · doi:10.1007/978-3-540-75485-5_71
Abstract
The 5.9 M_sun star HD 125823 is a striking helium variable with a period of 8.82 d, ranging in helium spectral type from He-strong B2 to He-weak B8. For the first time we present here observational evidence for the appearance of emission lines of Mn and Fe in a variable magnetic star.
2 pages, 2 figures, to appear in "Precision Spectroscopy in Astrophysics"