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HD 64507


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Open clusters with Hipparcos. I. Mean astrometric parameters
New memberships, mean parallaxes and proper motions of all 9 openclusters closer than 300 pc (except the Hyades) and 9rich clusters between 300 and 500 pc have been computed using Hipparcosdata. Precisions, ranging from 0.2 to 0.5 mas for parallaxes and 0.1 to0.5 mas/yr for proper motions, are of great interest for calibratingphotometric parallaxes as well as for kinematical studies. Carefulinvestigations of possible biases have been performed and no evidence ofsignificant systematic errors on the mean cluster parallaxes has beenfound. The distances and proper motions of 32 more distant clusters,which may be used statistically, are also indicated. Based onobservations made with the ESA Hipparcos astrometry satellite

A catalog of far-ultraviolet point sources detected with the fast FAUST Telescope on ATLAS-1
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Photometric variability of some CP stars
The photometric data relative to twenty-three southern CP stars havebeen re-analyzed. New or improved parameters of the lightcurves arepresented for eleven of them.

UVBY BET photometry of equatorial and southern bright stars.
Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1977A&AS...27...47H&db_key=AST

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Datos observacionales y astrométricos

Constelación:Quilla
Ascensión Recta:07h50m56.83s
Declinación:-59°38'46.4"
Magnitud Aparente:7.293
Distancia:320.513 parsecs
Movimiento Propio en Ascensión Recta:-5.5
Movimiento Propio en Declinación:11.1
B-T magnitude:7.295
V-T magnitude:7.294

Catálogos y designaciones:
Nombres Propios   (Edit)
HD 1989HD 64507
TYCHO-2 2000TYC 8565-837-1
USNO-A2.0USNO-A2 0300-03367360
HIPHIP 38310

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