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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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Membro dei seguenti gruppi:
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Osservazione e dati astrometrici
| Costellazione: | Dragone |
| Ascensione retta: | 18h21m15.09s |
| Declinazione: | +53°24'29.4" |
| Magnitudine apparente: | 8.361 |
| Distanza: | 512.821 parsec |
| Moto proprio RA: | 4.9 |
| Moto proprio Dec: | -5.5 |
| B-T magnitude: | 8.66 |
| V-T magnitude: | 8.386 |
Cataloghi e designazioni:
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