Kudrya, Yu.N.; Tsykaliuk, Iu.Iu.
(Advances in Astronomy and Space Physics, 2014)
The observational properties of galaxies aumulated in the Updated Nearby Galaxy Catalog (UNGC) were used by us to derive an orbital mass of the Milky Way and Andromeda galaxy (M 31) via motions of their 31 and 39 ompanions, ...