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Submit a new article| Walraven photometry of nearby southern OB associations Homogeneous Walraven (VBLUW) photometry is presented for 5260 stars inthe regions of five nearby southern OB associations: Scorpio Centaurus(Sco OB2), Orion OB1, Canis Major OB1, Monoceros OB1, and Scutum OB2.Derived V and (B - V) in the Johnson system are included.
 
 
 |  | Catalog of BV magnitudes and spectral classes of 6000 stars The present catalog, compiled at the Abastumani Observatory, contains BVmagnitudes and spectral classes of about 6000 stars up to V(lim) = 13.0min five circular areas of 18 sq deg located near the salactic-equatorplane. The catalog is intended for star-statistics studies ofstar-formation regions.
 
 
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 Observation and Astrometry data
| Constellation: | Monoceros |  | Right ascension: | 06h44m10.98s |  | Declination: | +08°25'04.6" |  | Apparent magnitude: | 9.301 |  | Proper motion RA: | 0 |  | Proper motion Dec: | -5.8 |  | B-T magnitude: | 9.436 |  | V-T magnitude: | 9.313 |  Catalogs and designations:
 
 
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