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HD 217661


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Dwarf K and M stars of small proper motion found in a large spectroscopic survey
More than 2000 candidates for K and M dwarf status, generally havingproper motions that are either unknown or less than 0.2 arcsec perannum, have been identified in an objective-prism survey covering theentire sky north of declination - 25 degrees and more than 10 degreesfrom the galactic plane. More than 95 percent have no previousindication that they are dwarfs. Several dozen appear to be visualdouble stars.

Mesures d'etoiles doubles faites a Nice a la lunette de 50 cm.
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观测天体数据

星座:飛馬座
右阿森松:23h02m11.36s
赤纬:+18°32'06.1"
视星:8.345
距离:353.357 天文距离
右阿森松适当运动:4.8
赤纬适当运动:-1.9
B-T magnitude:10.448
V-T magnitude:8.519

目录:
适当名称   (Edit)
HD 1989HD 217661
TYCHO-2 2000TYC 1714-2017-1
USNO-A2.0USNO-A2 1050-20537142
HIPHIP 113751

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