Absolute Proper Motions of Globular Clusters from the PPMX Catalog

Details Absolute Proper Motions of Globular Clusters from the PPMX Catalog Absolute Proper Motions of Globular Clusters from the PPMX Catalog

Jan 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010aas...21545517l&link_type=abstract

American Astronomical Society, AAS Meeting #215, #455.17; Bulletin of the American Astronomical Society, Vol. 42, p.475

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Scientific paper

We have determined the absolute proper motions of several globular clusters by means of a weighted average of likely cluster members in the PPM-Extended (PPMX) Catalog. Likely cluster members were selected on the basis of both 2MASS photometry and position in the vector-point diagram. We compare our results with other determinations of the proper motions of these clusters in the literature. This publication makes use of data products from the Two Micron All Sky Survey, which is a joint project of the University of Massachusetts and the Infrared Processing and Analysis Center/California Institute of Technology, funded by NASA and the NSF. This research has made use of the VizieR catalogue access tool, CDS, Strasbourg, France.

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