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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.
| UBVRI photometry of stars useful for checking equipment orientation stability
Several sets of stars have been measured, equally spaced around the skyin right ascension, over a range in declination from -75 deg to +30 deg.The goal was to obtain a number of well-observed stars with qualityinternally consistent magnitudes and color indices. The stars wereneeded to check orientation effects of photometric equipment.
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Gözlemler ve gökölçümü verileri
| Takýmyýldýz: | Erbogan |
| Sað Açýklýk: | 15h02m00.35s |
| Yükselim: | -32°30'47.4" |
| Görünürdeki Parlaklýk: | 8.906 |
| Uzaklýk: | 71.891 parsek |
| özdevim Sað Açýklýk: | -53.6 |
| özdevim Yükselim: | -48.4 |
| B-T magnitude: | 9.651 |
| V-T magnitude: | 8.968 |
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