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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.
| UVBY observations of A, F, G and K field stars
Photoelectric data in the uvby system have been obtained for about 800southern stars of the Hipparcos Input Catalog (Grenon, 1982, 1985). Mostof the stars are F and G main sequence and fall in the magnitude range V= 8-11.
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Gözlemler ve gökölçümü verileri
| Takýmyýldýz: | Akrep |
| Sað Açýklýk: | 16h05m37.85s |
| Yükselim: | -12°42'43.9" |
| Görünürdeki Parlaklýk: | 9.597 |
| özdevim Sað Açýklýk: | -22.2 |
| özdevim Yükselim: | -11.8 |
| B-T magnitude: | 10.328 |
| V-T magnitude: | 9.658 |
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