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TYC 7134-2898-1


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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

The open clusters NGC 2546, Pi 1, NGC 2579, and Cr 185
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Gözlemler ve gökölçümü verileri

Takýmyýldýz:Pupa
Sað Açýklýk:08h23m28.58s
Yükselim:-36°23'15.3"
Görünürdeki Parlaklýk:10.795
özdevim Sað Açýklýk:-6.4
özdevim Yükselim:5.1
B-T magnitude:11.119
V-T magnitude:10.822

Kataloglar ve belirtme:
Özgün isimleri   (Edit)
TYCHO-2 2000TYC 7134-2898-1
USNO-A2.0USNO-A2 0525-08555878
HIPHIP 41125

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