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HD 152578


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A preliminary compilation of DS-programme star positions
A catalog is presented of the double-star-program (DS-program) starpositions, listing right ascensions for 930 DSs and declinations for1225 DSs of the program. The positions were compiled from the observedvalues obtained between 1980 and 1987 with the meridian circles of sixUSSR observatories (the Moscow, Kazan', Kiev, Khar'kov, Odessa, andTashkent Observatories) and the Belgrade Observatory. The measurementsand the treatment of the observational material were performed using therelative method, and the FK-4 system stars were used as reference stars.

UBV photometry of stars whose positions are accurately known. II
The present report on the UBV observations of stars with favorableastrometric history gives attention to stars of the BD zones lyingbetween 50 and 54 deg. These observations and their reductions wereperformed from August 1983 to August 1984, as described by Oja (1984).Results are presented as tables for both the standard stars and theprogram stars. Comparisons are conducted between the present Vmagnitudes and those of the NPZT (1982) and AGK3R (1978) catalogs.

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Datos observacionales y astrométricos

Constelación:Dragón
Ascensión Recta:16h51m18.48s
Declinación:+53°47'05.0"
Magnitud Aparente:9.195
Distancia:1190.476 parsecs
Movimiento Propio en Ascensión Recta:6.4
Movimiento Propio en Declinación:-3.1
B-T magnitude:9.491
V-T magnitude:9.22

Catálogos y designaciones:
Nombres Propios
HD 1989HD 152578
TYCHO-2 2000TYC 3879-613-1
USNO-A2.0USNO-A2 1425-08625409
HIPHIP 82473

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