λ Bootis stars.
Abstract
The authors describe the λ Bootis stars which belong to the group of upper main sequence peculiar stars. Their underabundance in metals is confirmed by photometric observations in the Δa system which measures the spectral region around λ5200 with enhanced line density.
- Publication:
-
Revista Mexicana de Astronomia y Astrofisica, vol. 19
- Pub Date:
- December 1989
- Bibcode:
- 1989RMxAA..19...54M
- Keywords:
-
- Main Sequence Stars;
- Metallicity;
- Peculiar Stars;
- Stellar Spectrophotometry;
- Abundance;
- Stellar Composition;
- Astronomy;
- Lambda Bootis Stars: Photometry;
- Lambda Bootis Stars: Metal Content