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HD 59828


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The Tokyo PMC catalog 90-93: Catalog of positions of 6649 stars observed in 1990 through 1993 with Tokyo photoelectric meridian circle
The sixth annual catalog of the Tokyo Photoelectric Meridian Circle(PMC) is presented for 6649 stars which were observed at least two timesin January 1990 through March 1993. The mean positions of the starsobserved are given in the catalog at the corresponding mean epochs ofobservations of individual stars. The coordinates of the catalog arebased on the FK5 system, and referred to the equinox and equator ofJ2000.0. The mean local deviations of the observed positions from theFK5 catalog positions are constructed for the basic FK5 stars to comparewith those of the Tokyo PMC Catalog 89 and preliminary Hipparcos resultsof H30.

UBV photometry of stars whose positions are accurately known.
Photometric indices V, B-V, and U-B were measured for about 560 stars ofthe AGK3R and NPZT catalogs between BD declinations 11 deg and 23 deg,using the 40-cm Cassegrain telescope of the Kvistaberg Observatory fromApril 1986 to May 1987. The observation procedure and the reductiontechnique were the same as in the earlier papers of this series by Oja(1984, 1985, 1986, and 1987). The mean errors were calculated from theinternal consistency of the data. The accuracy was found to be the sameas for the earlier parts of the survey.

Lunar occultations of Praesepe. I - Mauna Kea
Results of lunar occultations of the Praesepe cluster during theDecember 1981 and April 30, 1982 passages as observed from Mauna Keawith the IR telescope facility are reported. Timings of 40 events aregiven. Four Praesepe binaries, previously unknown, were resolved, and anadditional measurement of the occultation-speckle system, 63 Gem, isreported. Two of the Praesepe systems have separations small enough togive hope for spectroscopic resolution.

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Datos observacionales y astrométricos

Constelación:Géminis
Ascensión Recta:07h32m34.52s
Declinación:+21°24'27.9"
Magnitud Aparente:6.812
Distancia:144.509 parsecs
Movimiento Propio en Ascensión Recta:-8.2
Movimiento Propio en Declinación:-38.1
B-T magnitude:8.044
V-T magnitude:6.914

Catálogos y designaciones:
Nombres Propios   (Edit)
HD 1989HD 59828
TYCHO-2 2000TYC 1372-367-1
USNO-A2.0USNO-A2 1050-05225348
HIPHIP 36663

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