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UBV beta Database for Case-Hamburg Northern and Southern Luminous Stars
A database of photoelectric UBV beta photometry for stars listed in theCase-Hamburg northern and southern Milky Way luminous stars surveys hasbeen compiled from the original research literature. Consisting of over16,000 observations of some 7300 stars from over 500 sources, thisdatabase constitutes the most complete compilation of such photometryavailable for intrinsically luminous stars around the Galactic plane.Over 5000 stars listed in the Case-Hamburg surveys still lackfundamental photometric data.
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Member of following groups:
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Observation and Astrometry data
| Constellation: | Κύκνος |
| Right ascension: | 21h47m07.57s |
| Declination: | +55°03'22.5" |
| Apparent magnitude: | 9.813 |
| Proper motion RA: | -1 |
| Proper motion Dec: | -1.2 |
| B-T magnitude: | 10.166 |
| V-T magnitude: | 9.843 |
Catalogs and designations:
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