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HD 7610


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

Observations of double stars and new pairs. XIV
Results of a continuing survey of visual double stars are presented,including 4880 measurements made from February 1987 to November 1989.The positions in WDS format and Durchmusterung numbers are given for 194pairs first reported here. Micrometer measurements of 1142 doubles madewith the Swarthmore 61 cm refractor are presented. Magnitudes areestimated for some of the objects. Plate measurements, plateorientations, position angles, number of nights, and measured exposuresare given. Visual observations of 342 pairs obtained in May 1989 atCerro Tololo, mostly with the 1.0 m reflector, are reported.

Mesures d'étoiles doubles effectuées au réfracteur de 38 cm de l' Observatoire de Nice
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观测天体数据

星座:仙后座
右阿森松:01h18m29.88s
赤纬:+73°23'02.3"
视星:8.025
距离:247.525 天文距离
右阿森松适当运动:13.3
赤纬适当运动:-11.9
B-T magnitude:8.246
V-T magnitude:8.044

目录:
适当名称   (Edit)
HD 1989HD 7610
TYCHO-2 2000TYC 4309-1288-1
USNO-A2.0USNO-A2 1575-00807702
HIPHIP 6114

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