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Taxonomy of barium stars
Spectral classification, barium intensity, radial velocity, luminosity,and kinematical properties are determined for 389 barium stars byanalyzing image-tube spectra and photometric observation data. Diskkinematics for the stars are based on whether they are Ba weak or Bastrong. Weak barium stars in general have smaller velocity dispersions,brighter apparent magnitude, and lower luminosity than strong bariumstars. These characteristics are confirmed by solving for meanspectroscopic distances, z-scale height distances, and reduced propermotions.
| Spectral Classification and DDO Photometry of a Southern Group of Stars with Common Motions - Part One
Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1982PASP...94..304L&db_key=AST
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Miembro de los siguientes grupos:
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Datos observacionales y astrométricos
| Constelación: | Centauro |
| Ascensión Recta: | 13h30m04.03s |
| Declinación: | -44°42'45.3" |
| Magnitud Aparente: | 7.883 |
| Distancia: | 61.237 parsecs |
| Movimiento Propio en Ascensión Recta: | -126.4 |
| Movimiento Propio en Declinación: | -17.2 |
| B-T magnitude: | 8.481 |
| V-T magnitude: | 7.933 |
Catálogos y designaciones:
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