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HD 52633


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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.

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Observation and Astrometry data

Constellation:ぎょしゃ座
Right ascension:07h03m38.46s
Declination:+36°47'45.3"
Apparent magnitude:8.526
Distance:85.179 parsecs
Proper motion RA:-71.1
Proper motion Dec:-78
B-T magnitude:9.145
V-T magnitude:8.578

Catalogs and designations:
Proper Names
HD 1989HD 52633
TYCHO-2 2000TYC 2450-1259-1
USNO-A2.0USNO-A2 1200-05363110
HIPHIP 34036

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