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VELOCITY MAPPING AND MODELS OF THE ELLIPTIC GALAXIES NGC 720, NGC 1052, AND NGC 4697

Abstract:

Extensive long-slit spectroscopic observations of the E3-E4 elliptical galaxies NGC 720, 1052, and 4697 are presented, including results from slits that are parallel to the major and minor axes but which do not pass through the nucleus. A novel deprojection algorithm is used to construct axisymmetric mass models of these systems from CCD surface photometry. These mass models are combined with the Jeans equations to yield predicted fields of line-of-sight velocity dispersion and streaming velo...

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Publication status:
Published

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Publisher copy:
10.1086/169169

Authors


ILLINGWORTH, G More by this author
Publisher:
Institute of Physics Publishing
Journal:
ASTROPHYSICAL JOURNAL
Volume:
361
Issue:
1
Pages:
78-97
Publication date:
1990-09-20
DOI:
EISSN:
1538-4357
ISSN:
0004-637X
URN:
uuid:ada1790a-d084-422d-bf35-e40884019163
Source identifiers:
17017
Local pid:
pubs:17017

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