2 papers
astro-ph1999
The Wind Momentum - Luminosity Relationship of Galactic A- and B- Supergiants
R. P. Kudritzki, J. Puls, D. J. Lennon +5
The Balmer lines of four A Ia - supergiants (spectral type A0 to A3) and fourteen B Ia and Ib - supergiants (spectral type B0 to B3) in the solar neighbourhood are analyzed by mean…
astro-ph1998
Spectral variability of the binary HR 4049
Eric J. Bakker, David L. Lambert, Hans van Winckel +3
The H profile varies with the orbital period. The two strong shell type emission peaks are identified as from one single broad emission feature with an absorption centered aroun…