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HD 79400


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Binary Star Orbits. II. Preliminary First Orbits for 117 Systems
Orbital elements are presented for 117 binary systems with no previousorbit calculation. For nearly all of these systems, these elements mustbe regarded as preliminary, but the ephemerides presented here should berelatively accurate over the next several decades. Further, the analysisof these systems should highlight the need for their continuedobservation by dedicated programs to improve the veracity of theseelements.

ICCD speckle observations of binary stars. VIII - Measurements during 1989-1991 from the Cerro Tololo 4 M telescope
One-thousand eighty-eight observations of 947 binary star systems,observed by means of speckle interferometry with the 4 m telescope onCerro Tololo, are presented. These measurements, made during the period1989-1991, comprise the second installment of results stemming from theexpansion of our speckle program to the southern hemisphere.

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观测天体数据

星座:船帆座
右阿森松:09h12m31.98s
赤纬:-40°31'54.5"
视星:8.684
距离:116.009 天文距离
右阿森松适当运动:73.3
赤纬适当运动:-101.2
B-T magnitude:9.374
V-T magnitude:8.741

目录:
适当名称   (Edit)
HD 1989HD 79400
TYCHO-2 2000TYC 7682-2914-1
USNO-A2.0USNO-A2 0450-08559552
HIPHIP 45191

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