Astron. Astrophys. Suppl. Ser.
Volume 128, Number 3, March II 1998
|Page(s)||429 - 439|
|Published online||15 March 1998|
New λ Bootis stars with a shell
Institut d'Astronomie de l'Université de Lausanne, CH-1290 Chavannes-des-Bois, Switzerland
2 Observatoire de Paris-Meudon, DASGAL, F-92125 Meudon Principal Cedex, France
Send offprint request to: B. Hauck
Accepted: 5 August 1997
We publish here the second part of our spectroscopic survey at high dispersion of some known and suspected λ Bootis stars with a view to detecting circumstellar shell features. Eight stars of our sample exhibit such features. These stars are fast rotators, a result which is in line with Hohlweger and Rentzsch-Holm's study (1995). The analysis of the photometric data has allowed us to confirm the exclusion of a few stars misclassified from the λ Bootis group.
Key words: stars: chemically peculiar / stars: circumstellar matter / stars: rotation
© European Southern Observatory (ESO), 1998