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HI and Mass Distribution in the Dwarf “Regular” Galaxy UGC 2259

Published online by Cambridge University Press:  04 August 2017

C. Carignan ,
R. Sancisi  and
T.S. van Albada
C. Carignan
Affiliation:
Kapteyn Astronomical Institute, P.O. Box 800, 9700 AV Groningen, Holland
R. Sancisi
Affiliation:
Kapteyn Astronomical Institute, P.O. Box 800, 9700 AV Groningen, Holland
T.S. van Albada
Affiliation:
Kapteyn Astronomical Institute, P.O. Box 800, 9700 AV Groningen, Holland

Abstract

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HI synthesis observations of the dwarf “regular” galaxy UGC 2259 are presented. This system turns out to be most suitable for our purpose of studying the mass distribution in late-type spirals. It has a symmetrical HI distribution extending over 2 D25 and a regular velocity field which shows no sign of departure from axial symmetry. Despite the fact that UGC 2259 is fainter than most other objects of the same morphological type, its HI properties are typical of what is expected from an Scd galaxy with a MH/LB = 0.43.

Type
Research Article
Information
Symposium - International Astronomical Union , Volume 117: Dark Matter in the Universe , 1987 , pp. 161
Copyright
Copyright © Reidel 1987 

References

Carignan, C. 1985, Ap. J., 298, in press.Google Scholar
Carignan, C., and Freeman, K.C., 1985, Ap. J., in press.Google Scholar