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HD 45722

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Radial-velocity measurements. V - Ground support of the HIPPARCOS satellite observation program The paper presents data on 1070 radial velocity measurements of starsdistributed in 39 fields measuring 4 deg x 4 deg. The PPO series ofFehrenbach et al. (1987) and Duflot et al. (1990) is continued using theFehrenbach objective prism method.
Photoelectric observations of lunar occultations. X Photoelectric occulation results for 461 events observed during 15months are reported. They include 77 reappearances, 4 determinations ofangular diameter, 38 analyses of double or multiple stars including twopreviously unknown bright stars, and 8 previously known bright double ormultiple stars.

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Observation and Astrometry data

Constellation:	Zwillinge
Right ascension:	06^h29^m49.88^s
Declination:	+17Â°37'26.9"
Apparent magnitude:	7.555
Distance:	155.28 parsecs
Proper motion RA:	3.6
Proper motion Dec:	-11.8
B-T magnitude:	7.638
V-T magnitude:	7.562

Catalogs and designations:

Proper Names	(Edit)
HD 1989	HD 45722
TYCHO-2 2000	TYC 1332-1136-1
USNO-A2.0	USNO-A2 1050-03697622
HIP	HIP 30954

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