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HD 205330


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Absolute proper motions of the open clusters M 39 and TR 37
The absolute proper motions of five BD stars in the region of the opencluster M 39 and of 20 BD stars in the region of the open cluster Tr 37are determined with an accuracy of 0.26 arcsec/100 yr. Measurements ofthe proper motions of the open clusters M 39 and Tr 37 are reported.

Determination of size, color indices, and spectral classes of stars in an area centered on R.A.=21h24m, Dec=+58.5deg.
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观测天体数据

星座:仙王座
右阿森松:21h32m29.83s
赤纬:+57°32'18.0"
视星:8.099
距离:218.818 天文距离
右阿森松适当运动:-29.5
赤纬适当运动:-14.8
B-T magnitude:9.454
V-T magnitude:8.211

目录:
适当名称
HD 1989HD 205330
TYCHO-2 2000TYC 3974-269-1
USNO-A2.0USNO-A2 1425-11986126
HIPHIP 106358

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