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HD 209420


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Eight New Small Amplitude Variables
We report the discovery of small amplitude variability of six cool starsand discuss the nature of their light change. Two unsolved variablesdetected by Hipparcos are discussed, too. Six stars of the sample belongto the SRVs, whereas in case of the other two objects variability ismost likely caused by a spotted surface.

The SVS Numbering Series Discontinued
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Formation of the Variable Star Nomenclature Group
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观测天体数据

星座:飛馬座
右阿森松:22h02m46.75s
赤纬:+28°30'41.6"
视星:8.275
距离:613.497 天文距离
右阿森松适当运动:-7
赤纬适当运动:-11.2
B-T magnitude:10.159
V-T magnitude:8.431

目录:
适当名称   (Edit)
HD 1989HD 209420
TYCHO-2 2000TYC 2215-1821-1
USNO-A2.0USNO-A2 1125-19024170
HIPHIP 108823

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