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Intermediate band photometry of late-type stars. II - Some stellar groups
Observations on the (R, I) system and a modified Stromgren system ofmembers of six stellar groups are used to demonstrate the chemicalhomogeneity of some 70% or 80% of the members assigned to the groups onthe basis of kinematics. The groups discussed are the Hyades, Wolf 630,Arcturus, Groombridge 1830, and Kapteyn's Star Groups as well as ananonymous group of a half dozen subdwarfs with (U, V) near (-150, -320)km/s. Standards for a previously described photometric system areextended, and additional F- and G-type standards for the (R, I) systemare presented. A simple relation is derived for computing the Fe/Habundance ratio for most stars in the corrected (R-I) interval from +0.2to +0.45 magnitude.
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Miembro de los siguientes grupos:
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Datos observacionales y astrométricos
| Constelación: | Fénix |
| Ascensión Recta: | 01h02m00.23s |
| Declinación: | -41°32'40.2" |
| Magnitud Aparente: | 8.964 |
| Distancia: | 925.926 parsecs |
| Movimiento Propio en Ascensión Recta: | -6.1 |
| Movimiento Propio en Declinación: | 6.8 |
| B-T magnitude: | 10.562 |
| V-T magnitude: | 9.096 |
Catálogos y designaciones:
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