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HD 52782


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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.

Interstellar reddening in the Southern Hemisphere. I - The UVBY beta observations
The uvby-beta photometric data obtained from a Southern Hemisphereobservational project is presented. A uvby-beta photometric network ofnearly 3900 A and early F stars has been established with the intentthat the stars serve as 'space probes' for measurements of interstellarreddening.

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Gözlemler ve gökölçümü verileri

Takýmyýldýz:Buyuk Kopek
Sað Açýklýk:07h01m10.67s
Yükselim:-30°39'53.2"
Görünürdeki Parlaklýk:7.396
Uzaklýk:157.729 parsek
özdevim Sað Açýklýk:-10.2
özdevim Yükselim:34
B-T magnitude:7.717
V-T magnitude:7.423

Kataloglar ve belirtme:
Özgün isimleri
HD 1989HD 52782
TYCHO-2 2000TYC 7089-1333-1
USNO-A2.0USNO-A2 0525-03883457
HIPHIP 33812

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