Tidal streams from the Carina and Draco dwarf Galaxies

被引:0
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作者
Smith, HA [1 ]
Kuhn, JR [1 ]
Hawley, SL [1 ]
机构
[1] Michigan State Univ, Dept Phys & Astron, E Lansing, MI 48824 USA
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P1 [天文学];
学科分类号
0704 ;
摘要
A dwarf spheroidal system which is being tidally disrupted by the Milky Way is expected to produce tidal debris streams which lead and trail the system's motion. Our analyses of CCD photometry along the major and minor axes of the Carina and Draco dwarf galaxies indicate that in both cases such low surface density stellar debris streams exist. The surface densities of the debris streams are on the order of one percent of the central surface brightnesses of the Carina and Draco systems and may contain a substantial fraction of the mass orginally within Carina and Draco.
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页码:163 / 167
页数:5
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