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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.
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Observation and Astrometry data
| Constellation: | Sagittaire |
| Right ascension: | 18h20m26.61s |
| Declination: | -31°18'58.4" |
| Apparent magnitude: | 7.483 |
| Distance: | 118.906 parsecs |
| Proper motion RA: | 3.7 |
| Proper motion Dec: | 23.2 |
| B-T magnitude: | 7.787 |
| V-T magnitude: | 7.509 |
Catalogs and designations:
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