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Speckle Interferometry at the US Naval Observatory. VII.
The results of 2014 speckle interferometric observations of doublestars, made with the 26 inch (66 cm) refractor of the US NavalObservatory, are presented. These observations are averaged into 1266mean positions and range in separation from 0.21" to 13.41", with a meanseparation of 2.61". This is the seventh in a series of paperspresenting measures obtained with this system and covers the period 2000January 10 through December 8.
| Two-colour photometry for 9473 components of close Hipparcos double and multiple stars
Using observations obtained with the Tycho instrument of the ESAHipparcos satellite, a two-colour photometry is produced for componentsof more than 7 000 Hipparcos double and multiple stars with angularseparations 0.1 to 2.5 arcsec. We publish 9473 components of 5173systems with separations above 0.3 arcsec. The majority of them did nothave Tycho photometry in the Hipparcos catalogue. The magnitudes arederived in the Tycho B_T and V_T passbands, similar to the Johnsonpassbands. Photometrically resolved components of the binaries withstatistically significant trigonometric parallaxes can be put on an HRdiagram, the majority of them for the first time. Based on observationsmade with the ESA Hipparcos satellite.
| Mesures d'étoiles doubles faites au réfracteur de 38 cm. de l'Observatoire de Nice
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Наблюдательные данные и астрометрия
| Созвездие: | Гончие Псы |
| Прямое восхождение: | 13h25m05.33s |
| Склонение: | +44°11'27.4" |
| Видимая звёздная величина: | 11.067 |
| Собственное движение RA: | -17.6 |
| Собственное движение Dec: | 12.4 |
| B-T magnitude: | 11.934 |
| V-T magnitude: | 11.139 |
Каталоги и обозначения:
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