The dwarf irregular galaxy VV 574 - an M81 group member?

Details The dwarf irregular galaxy VV 574 - an M81 group member? The dwarf irregular galaxy VV 574 - an M81 group member?

Jun 1983

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983pazh....9..342a&link_type=abstract

(Pis'ma v Astronomicheskii Zhurnal, vol. 9, June 1983, p. 342-344) Soviet Astronomy Letters (ISSN 0360-0327), vol. 9, May-June 1

Astronomy and Astrophysics

Astronomy

2

Dwarf Galaxies, Galactic Rotation, Radial Velocity, Astronomical Spectroscopy, Interacting Galaxies, Mass Distribution, Spiral Galaxies

Scientific paper

Radial velocities in the galaxy VV574 - a possible nest of interacting galaxies - have been measured. No large internal motions are found. The rotation velocity does not exceed 10-15 km/s, giving the mass of ≈107 M_sun;. The electron density derived from [S II] lines is 103 cm-3 and the ionized hydrogen mass is ≡104 M_sun;. VV574 appears to be a irregular dwarf galaxy with absolute magnitude MB = -11m belonging to the M81 group.

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