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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: | オリオン座 |  | Right ascension: | 05h50m27.09s |  | Declination: | -09°41'04.0" |  | Apparent magnitude: | 8.279 |  | Distance: | 147.275 parsecs |  | Proper motion RA: | 5.5 |  | Proper motion Dec: | -2.6 |  | B-T magnitude: | 8.488 |  | V-T magnitude: | 8.297 |  Catalogs and designations:
 
 
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