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HD 217623


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UVBY photometry of HIPPARCOS stars
Photoelectric data in the uvby system have been obtained for 367southern stars of the Hipparcos Input Catalogue. Most of the stars are Fand G main sequence and fall in the magnitude range V = 9 to 10.

Photoelectric measurements of lunar occultations. VIII
Photoelectric timings are reported for 276 lunar occultation eventswhich were observed between March 1975 and February 1976. The timings(in UTC) are based on Loran G equipment of a lunar laser-ranging groupor on WWV signals. Angular diameters are determined for HR 5301, HD176124, Chi-1-Orionis, and HR 601. Twenty cases of possible or actualdouble stars, including Beta Capricorni, are noted along with oneprobable triple system (51 Piscium). Several technical and computationaldifficulties encountered in this program are discussed.

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观测天体数据

星座:雙魚座
右阿森松:23h02m02.55s
赤纬:-01°12'33.4"
视星:9.271
右阿森松适当运动:20.5
赤纬适当运动:3.9
B-T magnitude:10.461
V-T magnitude:9.37

目录:
适当名称   (Edit)
HD 1989HD 217623
TYCHO-2 2000TYC 5242-736-1
USNO-A2.0USNO-A2 0825-19839987
HIPHIP 113736

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