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Proper motions of open clusters within 1 kpc based on the TYCHO2 Catalogue
We present mean absolute proper motions of 112 open clusters, determinedusing the data from the Tycho2 Catalogue. For 28 clusters, this is thefirst determination of proper motion. The measurements made use of alarge number of stars (usually several tens) for each cluster. The totalnumber of stars studied in the fields of the 164 open clusters is 5016,of which 4006 were considered members. The mean proper motions of theclusters and membership probability of individual stars were obtainedfrom the proper motion data by applying the statistical method proposedby Sanders (\cite{Sanders71}). Based on observations of the ESAHipparcos satellite. Tables 1, 2 and 5 to 117 are only available inelectronic form at the CDS via anonymous ftp to cdsarc.u-strasbg.fr(130.79.128.5) or viahttp://cdsweb.u-strasbg.fr/cgi-bin/qcat?J/A+A/376/441
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Gözlemler ve gökölçümü verileri
| Takýmyýldýz: | Yay |
| Sað Açýklýk: | 19h17m23.84s |
| Yükselim: | -16°04'24.4" |
| Görünürdeki Parlaklýk: | 7.655 |
| Uzaklýk: | 266.667 parsek |
| özdevim Sað Açýklýk: | -2.3 |
| özdevim Yükselim: | -28.1 |
| B-T magnitude: | 9.463 |
| V-T magnitude: | 7.805 |
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