The internal motions in three dwarf irregular galaxies

Details The internal motions in three dwarf irregular galaxies The internal motions in three dwarf irregular galaxies

Jul 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987pazh...13..575a&link_type=abstract

Pis'ma v Astronomicheskii Zhurnal (ISSN 0320-0108), vol. 13, July 1987, p. 575-581. In Russian. In Russian. In Russian.

Astronomy and Astrophysics

Astronomy

2

Dwarf Galaxies, Irregular Galaxies, Astrodynamics, Galactic Rotation, Interacting Galaxies

Scientific paper

Internal motions in the three extreme dwarf galaxies VV 499, 558 and 828 - all being the members of nearby groups of galaxies are studied. Each of them is found to rotate. The masses of the galaxies are obtained. All the galaxies under consideration have absolute magnitudes weaker than -14m, diameters of 0.5 - 2.0 kpc and masses smaller than 108M_sun;. They contain H II regions about 100 pc in diameter and this fact has led to their formal classification as interacting systems. The comparison of integral characteristics of the dwarf galaxies belonging to different groups (M81, M101 and the Local Group) has revealed their significant resemblance.

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