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HD 77314


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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.

The 74th Special Name-list of Variable Stars
We present the Name-list introducing GCVS names for 3153 variable starsdiscovered by the Hipparcos mission.

Observations of Double Stars. XVIII.
Micrometer observations of 1350 pairs in 1995-1997 are listed.

Micrometer Measures of Double Stars
Micrometer measures of 795 double stars made with the 26 inch (0.66 m)refractor of the US Naval Observatory from 1984 to 1990 are presented.

GPM - compiled catalogue of absolute proper motions of stars in selected areas of sky with galaxies.
Not Available

Mesures photométriques d'Etoiles Doubles au télescope de 0. 80 m. de l'Observatoire de Hauteprovence
Not Available

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Gözlemler ve gökölçümü verileri

Takýmyýldýz:Su Yilani
Sað Açýklýk:09h01m58.78s
Yükselim:+02°40'16.3"
Görünürdeki Parlaklýk:7.332
Uzaklýk:151.976 parsek
özdevim Sað Açýklýk:-4.9
özdevim Yükselim:-9.5
B-T magnitude:7.367
V-T magnitude:7.335

Kataloglar ve belirtme:
Özgün isimleri
HD 1989HD 77314
TYCHO-2 2000TYC 229-560-1
USNO-A2.0USNO-A2 0900-06255335
HIPHIP 44359
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