Proper motions of open clusters within 1 kpc based on the TYCHO2 Catalogue

Details Proper motions of open clusters within 1 kpc based on the TYCHO2 Catalogue Proper motions of open clusters within 1 kpc based on the TYCHO2 Catalogue

Sep 2001

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001a%26a...376..441d&link_type=abstract

Astronomy and Astrophysics, v.376, p.441-447 (2001)

Astronomy and Astrophysics

Astrophysics

44

Galaxy: Open Clusters And Associations: General, Astrometry

Scientific paper

We present mean absolute proper motions of 112 open clusters, determined using the data from the Tycho2 Catalogue. For 28 clusters, this is the first determination of proper motion. The measurements made use of a large number of stars (usually several tens) for each cluster. The total number of stars studied in the fields of the 164 open clusters is 5016, of which 4006 were considered members. The mean proper motions of the clusters and membership probability of individual stars were obtained from the proper motion data by applying the statistical method proposed by Sanders (\cite{Sanders71}). Based on observations of the ESA Hipparcos satellite. Tables 1, 2 and 5 to 117 are only available in electronic form at the CDS via anonymous ftp to cdsarc.u-strasbg.fr (130.79.128.5) or via http://cdsweb.u-strasbg.fr/cgi-bin/qcat?J/A+A/376/441

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