THE APM PROPER MOTION PROJECT .1. HIGH PROPER MOTION STARS

被引:35
作者
EVANS, DW
机构
[1] Institute of Astronomy, Madingley Road, Cambridge
关键词
D O I
10.1093/mnras/255.3.521
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
Results are presented on a subset of proper motion data with \mu\ greater-than-or-similar-to 0.04 arcsec yr-1 from the APM Proper Motion Project. Comparisons made with the NLTT catalogue show that the levels of contamination and incompleteness in this catalogue are consistent with the random measuring errors in the proper motions. No significant zero-point offset is found in the NLTT proper motions with respect to that defined by galaxies. Reduced proper motions in the four fields studied are found to be very effective in distinguishing between various stellar populations when combined with colour information. The kinematic properties of these populations are investigated. From the white dwarf sample, a luminosity function is derived and is in very good agreement with that of Liebert, Dahn & Monet.
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页码:521 / 538
页数:18
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