Discovery and statistics of Be stars
In 1960, the authors have started at the La Plata Observatory a survey of bright B stars (m ≤ 6.5, δ< 0°, HD Spectral type 09-B5) for the discovery of emission in Hα. A two prism spectrograph attached to the 80 cm La Plata telescope was used, with a camera giving a dispersion of 180 A/mm. The sli...
Guardado en:
| Autores principales: | , , |
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| Formato: | Articulo |
| Lenguaje: | Inglés |
| Publicado: |
1962
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| Materias: | |
| Acceso en línea: | http://sedici.unlp.edu.ar/handle/10915/77002 |
| Aporte de: |
| Sumario: | In 1960, the authors have started at the La Plata Observatory a survey of bright B stars (m ≤ 6.5, δ< 0°, HD Spectral type 09-B5) for the discovery of emission in Hα. A two prism spectrograph attached to the 80 cm La Plata telescope was used, with a camera giving a dispersion of 180 A/mm. The slit was opened as much as possible in order to shorten the exposure times; as a consequence the region of good definition on the plates comprises only from 6000 to 6700 A. |
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