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UBV photometry of stars whose positions are accurately known. II
The present report on the UBV observations of stars with favorableastrometric history gives attention to stars of the BD zones lyingbetween 50 and 54 deg. These observations and their reductions wereperformed from August 1983 to August 1984, as described by Oja (1984).Results are presented as tables for both the standard stars and theprogram stars. Comparisons are conducted between the present Vmagnitudes and those of the NPZT (1982) and AGK3R (1978) catalogs.
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Observation and Astrometry data
| Constellation: | りゅう座 |
| Right ascension: | 18h16m49.38s |
| Declination: | +51°13'44.6" |
| Apparent magnitude: | 7.962 |
| Distance: | 452.489 parsecs |
| Proper motion RA: | -1.9 |
| Proper motion Dec: | -6.8 |
| B-T magnitude: | 9.956 |
| V-T magnitude: | 8.127 |
Catalogs and designations:
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