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Interstellar reddening in the Southern Hemisphere. I - The UVBY beta observations
The uvby-beta photometric data obtained from a Southern Hemisphereobservational project is presented. A uvby-beta photometric network ofnearly 3900 A and early F stars has been established with the intentthat the stars serve as 'space probes' for measurements of interstellarreddening.
| 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: | Couronne australe |
| Right ascension: | 18h51m31.29s |
| Declination: | -38°51'01.8" |
| Apparent magnitude: | 8.325 |
| Distance: | 115.207 parsecs |
| Proper motion RA: | -1.4 |
| Proper motion Dec: | -6.2 |
| B-T magnitude: | 8.702 |
| V-T magnitude: | 8.357 |
Catalogs and designations:
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