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HD 215156


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UBV Light Variation and Orbital Elements of W-Gruis
In each of the UBV band-passes 2440 observations define for the firsttime the photoelectric light variation of the binary system W Gru. Aconsistent set of elements is derived in the framework of Russell'sclassic and Napier's synthesis models. Absolute dimensions are derived.The system seems to be a well-detached binary consisting of two normal,not interacting, F5 IV components.

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观测天体数据

星座:天鶴座
右阿森松:22h43m58.90s
赤纬:-44°06'28.9"
视星:9.235
右阿森松适当运动:28.4
赤纬适当运动:2.5
B-T magnitude:9.705
V-T magnitude:9.274

目录:
适当名称   (Edit)
HD 1989HD 215156
TYCHO-2 2000TYC 8010-1522-1
USNO-A2.0USNO-A2 0450-40343741
HIPHIP 112236

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