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Large and kinematically unbiased samples of G and K type stars. I - The dwarfs
Four-color, H-beta, and (R,I) photometry for the little-evolvedmain-sequence stars from the Bright Star Catalogue, South Galactic Pole,Griffin (1971), and Moore-Paddock-Wayman (Moore and Paddock 1950, andWayman 1960) samples are analyzed. The luminosity and heavy-elementabundances for these stars are calculated in terms of the Hyadessupercluster, the Wolf 630 group, the Sirius supercluster, and theKapteyn star group. The data reveal the presence of a metal-abundancedependent discontinuity near M(v) = +7 mag in the photometric parametersof dwarfs. The distributions of the abundances and the space motions ofthe sample stars are discussed.
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Membre dels grups següents:
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Dades d'Observació i Astrometria
| Constel·lació: | Sculptor |
| Ascensió Recta: | 01h14m05.42s |
| Declinació: | -30°21'56.5" |
| Magnitud Aparent: | 9.35 |
| Moviment propi RA: | -12.7 |
| Moviment propi Dec: | -10.8 |
| B-T magnitude: | 10.088 |
| V-T magnitude: | 9.411 |
Catàlegs i designacions:
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