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HD 209907


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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:Aquarius
Right ascension:22h06m46.44s
Declination:-06°43'45.7"
Apparent magnitude:7.998
Distance:127.226 parsecs
Proper motion RA:21.2
Proper motion Dec:-6.7
B-T magnitude:8.16
V-T magnitude:8.012

Catalogs and designations:
Proper Names   (Edit)
HD 1989HD 209907
TYCHO-2 2000TYC 5230-1693-1
USNO-A2.0USNO-A2 0825-19552200
HIPHIP 109167

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