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Issue A&A
Volume 380, Number 2, December III 2001
Page(s) 435 - 440
Section Extragalactic astronomy
DOI http://dx.doi.org/10.1051/0004-6361:20011433



A&A 380, 435-440 (2001)
DOI: 10.1051/0004-6361:20011433

Radial velocities of dwarf spheroidal galaxies in the M 81 group

M. E. Sharina1, 2, I. D. Karachentsev1 and A. N. Burenkov1, 2

1  Special Astrophysical Observatory, Russian Academy of Sciences, N.Arkhyz, KChR, 369167, Russia
2  Isaac Newton Institute, Chile, SAO Branch

(Received 3 September 2001 / Accepted 5 October 2001)

Abstract
Long-slit observations of 4 dwarf spheroidal galaxies in the M 81 group are presented. We have obtained the heliocentric velocity of a globular cluster candidate located near the center of DDO 78 to be $55 \pm 10 \mathrm{km} \mathrm{s}^{-1}$ by cross-correlation with template stars. We estimated a heliocentric radial velocity of $-116 \pm 21 \mathrm{km} \mathrm{s}^{-1}$ for an HII region seen in K 61. A red diffuse object near the K 64 center is found to be a remote galaxy with a heliocentric velocity of +46 530 km s-1.


Key words: galaxies: dwarf -- galaxies: star clusters

Offprint request: M. E. Sharina, sme@luna.sao.ru

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