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The Orbit and Mass of the Sagittarius Dwarf Galaxy

Abstract:

Possible orbital histories of the Sgr dwarf galaxy are explored. A special-purpose N-body code is used to construct the first models of the Milky Way - Sgr Dwarf system in which both the Milky Way and the Sgr Dwarf are represented by full N-body systems and followed for a Hubble time. These models are used to calibrate a semi-analytic model of the Dwarf's orbit that enable us to explore a wider parameter space than is accessible to the N-body models. We conclude that the extant data on the Dw...

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Journal:
Monthly Notices of the Royal Astronomical Society More from this journal
Volume:
314
Issue:
3
Pages:
468-474
Publication date:
1999-08-03
DOI:
EISSN:
1365-2966
ISSN:
0035-8711
Keywords:
Pubs id:
pubs:167503
UUID:
uuid:0a878a13-ea26-4ce2-9667-d1ea2eb53bed
Local pid:
pubs:167503
Source identifiers:
167503
Deposit date:
2013-02-20

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