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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: | みなみのかんむり座 |  | Right ascension: | 18h36m40.57s |  | Declination: | -37°39'18.3" |  | Apparent magnitude: | 8.543 |  | Distance: | 113.766 parsecs |  | Proper motion RA: | -1.7 |  | Proper motion Dec: | -26.5 |  | B-T magnitude: | 8.925 |  | V-T magnitude: | 8.575 |  Catalogs and designations:
 
 
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