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HD 115217


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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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Observation and Astrometry data

Constellation:Vierge
Right ascension:13h15m53.97s
Declination:-12°21'00.5"
Apparent magnitude:7.288
Distance:276.243 parsecs
Proper motion RA:18.6
Proper motion Dec:-17.1
B-T magnitude:8.905
V-T magnitude:7.422

Catalogs and designations:
Proper Names
HD 1989HD 115217
TYCHO-2 2000TYC 5540-882-1
USNO-A2.0USNO-A2 0750-08080863
HIPHIP 64718

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