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HD 46165


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Ýlgili Makaleler

Open clusters with Hipparcos. I. Mean astrometric parameters
New memberships, mean parallaxes and proper motions of all 9 openclusters closer than 300 pc (except the Hyades) and 9rich clusters between 300 and 500 pc have been computed using Hipparcosdata. Precisions, ranging from 0.2 to 0.5 mas for parallaxes and 0.1 to0.5 mas/yr for proper motions, are of great interest for calibratingphotometric parallaxes as well as for kinematical studies. Carefulinvestigations of possible biases have been performed and no evidence ofsignificant systematic errors on the mean cluster parallaxes has beenfound. The distances and proper motions of 32 more distant clusters,which may be used statistically, are also indicated. Based onobservations made with the ESA Hipparcos astrometry satellite

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Gözlemler ve gökölçümü verileri

Takýmyýldýz:Tekboynuz
Sað Açýklýk:06h31m36.09s
Yükselim:-05°22'07.4"
Görünürdeki Parlaklýk:7.433
Uzaklýk:308.642 parsek
özdevim Sað Açýklýk:-3.1
özdevim Yükselim:-0.2
B-T magnitude:7.353
V-T magnitude:7.427

Kataloglar ve belirtme:
Özgün isimleri   (Edit)
HD 1989HD 46165
TYCHO-2 2000TYC 4806-2570-1
USNO-A2.0USNO-A2 0825-02609295
HIPHIP 31101

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