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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.
| VRI photometry of selected SAO stars
Johnson V, R, and I photoelectric photometry has been obtained for 199SAO stars in support of the Near Infrared Photographic Sky Survey. Thesedata are utilized in the calibration of survey photographs and arepresented here to assist other programs reliant upon access tophotometry in the photographic infrared.
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Gözlemler ve gökölçümü verileri
| Takýmyýldýz: | Avci |
| Sað Açýklýk: | 05h34m38.42s |
| Yükselim: | +06°07'36.7" |
| Görünürdeki Parlaklýk: | 7.735 |
| Uzaklýk: | 95.877 parsek |
| özdevim Sað Açýklýk: | 8.1 |
| özdevim Yükselim: | -31.6 |
| B-T magnitude: | 8.032 |
| V-T magnitude: | 7.76 |
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