THE TIDAL RADII OF GLOBULAR-CLUSTERS IN M31

被引:25
作者
COHEN, JG
FREEMAN, KC
机构
[1] AUSTRALIAN NATL UNIV,MT STROMLO & SIDING SPRING OBSERV,WODEN,ACT 2606,AUSTRALIA
[2] AUSTRALIAN NATL UNIV,CANBERRA,ACT 2606,AUSTRALIA
关键词
D O I
10.1086/115699
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
We have determined tidal radii for 30 globular clusters in the halo of M31 from deep direct images. Although the uncertainty of each individual measurement is large, in the mean the tidal radii suggest that the M31 globular clusters have orbital eccentricities and mass-to-light ratios that are very similar to those of galactic globular clusters.
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页码:483 / 489
页数:7
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