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UBV photometry of stars whose positions are accurately known. III
UBV photometric observations of 417 stars at BD declination 35-49 degfrom the NPZT(74) catalog of Yasuda et al. (1982) and the AGK3R catalogof Corben (1978), obtained with the 40-cm Cassegrain reflector atKvistaberg Observatory during 1984-1985, are reported. The data arepresented in tables, and the mean errors per observation are given as0.016 mag in V, 0.011 mag in B-V, 0.012 mag in U-B for U less than 10,and 0.026 mag in U-B for U greater than 10.
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Observation and Astrometry data
| Constellation: | ヘルクレス座 |
| Right ascension: | 17h31m46.21s |
| Declination: | +39°58'28.9" |
| Apparent magnitude: | 8.734 |
| Distance: | 162.075 parsecs |
| Proper motion RA: | 3.3 |
| Proper motion Dec: | 13.6 |
| B-T magnitude: | 9.031 |
| V-T magnitude: | 8.759 |
Catalogs and designations:
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