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A large, complete, volume-limited sample of G-type dwarfs. I. Completion of Stroemgren UVBY photometry
Four-colour photometry of potential dwarf stars of types G0 to K2,selected from the Michigan Spectral Catalogues (Vol. 1-3), has beencarried out. The results are presented in a catalogue containing 4247uvby observations of 3900 stars, all south of δ = -26deg. Theoverall internal rms errors of one observation (transformed to thestandard system) of a program star in the interval 8.5 < V < 10.5are 0.0044, 0.0021, 0.0039, and 0.0059, respectively, in V, b-y, m_1_ ,and c_1_. The purpose of the catalogue, combined with earliercatalogues, is to allow selection of a large, complete, volume-limitedsample of G- and K-type dwarfs, investigate their metallicitydistribution, and compare it to predictions of various models ofgalactic chemical evolution. Future papers in this series will discussthese subjects.
| List of errors found in the Yale Zone Catalogues, the GC, and the Cape Photographic Catalogues
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Observation and Astrometry data
| Constellation: | Paon |
| Right ascension: | 18h32m14.89s |
| Declination: | -61°12'26.9" |
| Apparent magnitude: | 8.908 |
| Distance: | 719.424 parsecs |
| Proper motion RA: | 5.4 |
| Proper motion Dec: | -8.7 |
| B-T magnitude: | 10.976 |
| V-T magnitude: | 9.079 |
Catalogs and designations:
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INHABITED SKY
