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VRI photometry of wide double stars with A- type primaries.
We are presenting VRI photometry of 93 wide visual double stars havinglate B- or A- type primaries, taken from the Annex of Double andMultiple Stars of the HIPPARCOS Input Catalogue. Spectral types havebeen estimated for most of the primaries and for the majority of thesecondaries. 40% of them probably have common origin components, forwhich we calculated photometric parallaxes and some orbital valuesestimates.
| Discoveries on southern, red-sensitive objective-prism plates. IV Extension to higher latitudes
This fourth in a series of papers (MacConnel, (1978, 1979, 1981) listingnewly-found objects detected on Curtis Schmidt objective-prism platesextends the previous, 4500-sq deg coverage, confined to within 15 deg ofthe southern galactic plane, to higher galactic latitudes and to anadditional 3100 sq deg. The lists presented cover 107 non-banded H-alphaemission stars, 12 M-type H-alpha emission stars, five suspectedplanetary nebulae, 10 carbon stars, 121 S/MS stars, three M dwarfs, anda peculiar and previously unreported star.
| Visual measures of 193 double and multiple stars
Micrometer measurements of 174 double stars obtained with 26 1/2-in. and10-in. refractors are presented, along with interferometric measurementsof 19 double stars performed using 20-in. and 36-in. reflectors. Theresults reported include star coordinates, position angles, separations,probable errors, orbital residuals, and identifications of wide doubleswith separations of up to 2 arcmin.
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Группы:
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Наблюдательные данные и астрометрия
| Созвездие: | Киль |
| Прямое восхождение: | 10h20m49.13s |
| Склонение: | -67°31'32.7" |
| Видимая звёздная величина: | 8.331 |
| Расстояние: | 3571.429 парсек |
| Собственное движение RA: | -17.4 |
| Собственное движение Dec: | 5.4 |
| B-T magnitude: | 8.367 |
| V-T magnitude: | 8.334 |
Каталоги и обозначения:
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INHABITED SKY
