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Публикации по объекту
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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Группы:
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Наблюдательные данные и астрометрия
Созвездие: | Большой Пёс |
Прямое восхождение: | 07h01m10.67s |
Склонение: | -30°39'53.2" |
Видимая звёздная величина: | 7.396 |
Расстояние: | 157.729 парсек |
Собственное движение RA: | -10.2 |
Собственное движение Dec: | 34 |
B-T magnitude: | 7.717 |
V-T magnitude: | 7.423 |
Каталоги и обозначения:
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