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HD 7101


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Visual measurements of southern double stars. II
A group of 248 micrometric observations of 104 double stars arepresented, forming the second series of a program carried out at Cordobawith a 30 cm refractor. Usually neglected IDS pair south of -60 deg areselected for observation, most of them having been measured only one ortwo times previously. The measurements are compared with all the earlierobservations to derive estimates for the personal equation in P.A. andseparation, and the nature of many pairs is discussed by making use ofcatalog proper motions.

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观测天体数据

星座:水蛇座
右阿森松:01h06m51.14s
赤纬:-81°38'55.8"
视星:7.614
距离:261.78 天文距离
右阿森松适当运动:80.7
赤纬适当运动:-28.9
B-T magnitude:9.348
V-T magnitude:7.758

目录:
适当名称   (Edit)
HD 1989HD 7101
TYCHO-2 2000TYC 9359-207-1
USNO-A2.0USNO-A2 0075-00211643
HIPHIP 5228

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