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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.
| Asteroid spectral reflectivities.
Abstract image available at:http://adsabs.harvard.edu/abs/1973AJ.....78..126C
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Группы:
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Наблюдательные данные и астрометрия
| Созвездие: | Феникс |
| Прямое восхождение: | 00h56m14.47s |
| Склонение: | -52°34'47.0" |
| Видимая звёздная величина: | 9.286 |
| Собственное движение RA: | -1.7 |
| Собственное движение Dec: | 8.3 |
| B-T magnitude: | 9.694 |
| V-T magnitude: | 9.32 |
Каталоги и обозначения:
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