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HD 150747


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Dynamics and Forecasting of Two Chaotic Stars
For two stars (R UMi and RS Cyg) believed to behave chaotically, wedemonstrate that nonlinear forecasting is possible over a time horizonof about a year and calculate their future light curves, verifiableafter photometric measurements take place. We find that the minimalembedding dimension of the dynamics of these stars is three. Wetentatively identify the topology of the respective strange attractors,and argue that the presence of a near-2:1 resonance is a directconsequence of the features of these attractors.

The general catalogue of trigonometric [stellar] paralaxes
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观测天体数据

星座:天龍座
右阿森松:16h36m23.26s
赤纬:+72°22'25.5"
视星:8.477
距离:343.643 天文距离
右阿森松适当运动:1.5
赤纬适当运动:-5.6
B-T magnitude:9.623
V-T magnitude:8.572

目录:
适当名称
HD 1989HD 150747
TYCHO-2 2000TYC 4423-481-1
USNO-A2.0USNO-A2 1575-03679025
HIPHIP 81307

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