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UBV polarimetry of 361 A- and F-type stars in selected areas
We present simultaneous UBV linear polarization measurements for 361 A-and F-type stars with accurate colour excess and distance determination.These stars are distributed in 35 Kapteyn's Selected Areas, covering thethird and fourth quadrants of the galactic plane (|b| <= 30degr ).The obtained polarization and the known colour excess are compared. Ananalysis of the polarization distribution as a function of the stellardistance is also performed. Based on observations collected at theEuropean Southern Observatory (ESO), La Silla, Chile.
| 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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| Сазвежђа: | Прамац |
| Ректацензија: | 11h15m47.24s |
| Deклинација: | -58°53'15.3" |
| Apparent магнитуда: | 8.034 |
| Даљина: | 153.139 parsecs |
| Proper motion RA: | -115.7 |
| Proper motion Dec: | 41.8 |
| B-T magnitude: | 8.491 |
| V-T magnitude: | 8.072 |
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