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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.
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sonraki gruplarýn üyesi:
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Gözlemler ve gökölçümü verileri
| Takýmyýldýz: | Kova |
| Sað Açýklýk: | 21h48m40.18s |
| Yükselim: | -07°22'13.5" |
| Görünürdeki Parlaklýk: | 8.746 |
| Uzaklýk: | 180.505 parsek |
| özdevim Sað Açýklýk: | -40.6 |
| özdevim Yükselim: | -44.5 |
| B-T magnitude: | 9.133 |
| V-T magnitude: | 8.778 |
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