RevMexAA (Serie de Conferencias), 14, 33--33 (2002) (original) (raw)

Abstract

rameters that the software may construct automatically. The found solution is given by: Psi = ( f ; xc; yc; xf; yf; oe xc; oe yc; oe xf; oe yf; ae c; ae f; ) =(0.451, -0.0809, 0.1951, -0.0621, -0.1190, 0.1012, 0.2353, 0.3902, 0.4659,-0.0289,-0.0825); where: f is the proportion of cluster stars; xc; yc the centroid Fig. 1. VPD of the proper motions of 166 stars in the region of NGC2244 (dots). The 103 members found with EMMIX, (n) are compared graphically with the 92 found in a previous work by Sabogal et al., 2001 (/) and with 109 members in Marschall et al., 1982, (j). of the cluster proper motions; xf; yf the centroid of the field proper motions; oe xc; oe yc; oe xf; oe yf; the x and y cluster and field dispersions and ae c; ae f the cluster and the field correlation coefficients. From the list of the stars with proper motions published by Marschall, Van Altena & Chiu (1982), according to the obtained membership probabilities, 103 stars are considered as physical me

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