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HD 94176


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Astrometric Orbits for Hipparcos Stochastic Binaries
Taking advantage of an improved genetic optimization algorithm forfitting unconstrained Kepler orbits to the Hipparcos intermediateastrometric data, we obtain additional orbital solutions for 81Hipparcos stars with previous stochastic (failed) solutions. The sampleincludes astrophysically interesting objects, including the old diskwide binary HIP 754, the nearby AGB star HIP 34922 (L2 Pup),and the nearby M2 dwarf HIP 5496 (GJ 54, at 8 pc from the Sun), whichhas a resolved M dwarf companion.

Speckle Observations of Binary Stars with the WIYN Telescope. III. A Partial Survey of A, F, and G Dwarfs
Two hundred thirty nearby main-sequence stars with spectral types in therange of A to G have been observed by way of speckle interferometryusing the WIYN 3.5 m telescope at Kitt Peak, Arizona. The stars had noprevious mention of duplicity in the literature. Of those observed, 14showed clear evidence of a companion, and 63 were classified assuspected nonsingle based on a power spectrum analysis. The remainingstars discussed show no evidence of duplicity to the limit of thedetection system in high-quality observations. The WIYN Observatory is ajoint facility of the University of Wisconsin-Madison, IndianaUniversity, Yale University, and the National Optical AstronomyObservatory.

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观测天体数据

星座:大熊座
右阿森松:10h53m30.90s
赤纬:+63°33'04.2"
视星:8.016
距离:109.529 天文距离
右阿森松适当运动:53.2
赤纬适当运动:-22.8
B-T magnitude:8.725
V-T magnitude:8.075

目录:
适当名称
HD 1989HD 94176
TYCHO-2 2000TYC 4148-632-1
USNO-A2.0USNO-A2 1500-05366582
HIPHIP 53256

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