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HD 102272


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Radial Velocities of Population II Stars. II.
A program for radial velocity measurements of Population II stars wasstarted in 1988 and was carried out during six observing runs. Theprogram includes metal-deficient stars, components of Population IIvisual binaries or common proper motion stars, suspected radial velocityvariables and the Population II stars from the Hipparcos program. Themeasurements were made with the 1 meter reflector at the MaidanakObservatory in Uzbekistan. The average error of a single measurement isabout 0.6 km/s, but for stars at 13 mag or for extremely metal-deficientstars the error is about 2.5 km/s. The catalog contains 621 measurementsfor 164 stars.

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Observation and Astrometry data

Constellation:Löwe
Right ascension:11h46m23.54s
Declination:+14°07'26.4"
Apparent magnitude:8.718
Distance:362.319 parsecs
Proper motion RA:-7.4
Proper motion Dec:7.7
B-T magnitude:9.953
V-T magnitude:8.82

Catalogs and designations:
Proper Names   (Edit)
HD 1989HD 102272
TYCHO-2 2000TYC 870-114-1
USNO-A2.0USNO-A2 0975-06803070
HIPHIP 57428

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