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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.
 
 
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 Observation and Astrometry data
| Constellation: | Κύων Μέγας |  | Right ascension: | 07h23m12.47s |  | Declination: | -22°18'52.9" |  | Apparent magnitude: | 8.878 |  | Distance: | 826.446 parsecs |  | Proper motion RA: | -3.2 |  | Proper motion Dec: | 1.2 |  | B-T magnitude: | 8.882 |  | V-T magnitude: | 8.879 |  Catalogs and designations:
 
 
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