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TYC 471-2299-1


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Absolute proper motions of open clusters. I. Observational data
Mean proper motions and parallaxes of 205 open clusters were determinedfrom their member stars found in the Hipparcos Catalogue. 360 clusterswere searched for possible members, excluding nearby clusters withdistances D < 200 pc. Members were selected using ground basedinformation (photometry, radial velocity, proper motion, distance fromthe cluster centre) and information provided by Hipparcos (propermotion, parallax). Altogether 630 certain and 100 possible members werefound. A comparison of the Hipparcos parallaxes with photometricdistances of open clusters shows good agreement. The Hipparcos dataconfirm or reject the membership of several Cepheids in the studiedclusters. Tables 1 and 2 are only available in electronic form at theCDS via anonymous ftp to cdsarc.u-strasbg.fr (130.79.128.5) or viahttp://cdsweb.u-strasbg.fr/Abstract.html

Distance Moduli of Open Clusters.
Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1965ApJS...12..215H&db_key=AST

Spectral Classification in Some Open Clusters.
Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1961ApJ...134..612S&db_key=AST

Photographic magnitudes and color indices of 79 early O-B2 stars in an area with the center at alpha = 18h54m, delta = +5degres.0.
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Miembro de los siguientes grupos:

Datos observacionales y astrométricos

Constelación:Águila
Ascensión Recta:19h07m36.94s
Declinación:+04°13'37.1"
Magnitud Aparente:10.287
Movimiento Propio en Ascensión Recta:-0.9
Movimiento Propio en Declinación:-1.9
B-T magnitude:10.844
V-T magnitude:10.333

Catálogos y designaciones:
Nombres Propios   (Edit)
TYCHO-2 2000TYC 471-2299-1
USNO-A2.0USNO-A2 0900-13945284
HIPHIP 93932
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