期刊
ASTROPHYSICAL JOURNAL LETTERS
卷 880, 期 1, 页码 -出版社
IOP PUBLISHING LTD
DOI: 10.3847/2041-8213/ab2fd2
关键词
galaxies: evolution; galaxies: formation; galaxies: kinematics and dynamics; galaxies: structure
资金
- European Union [721463]
- Fundacion BBVA
- Spanish Ministry of Economy and Competitiveness (MINECO) [AYA2016-77237-C3-1-P, AYA2017-89076-P]
A second galaxy missing dark matter (NGC 1052-DF4) has been reported recently. Here we show, using the location of the tip of the red giant branch (TRGB), that the distance to this galaxy is 14.2 +/- 0.7 Mpc. This locates the galaxy 6 Mpc closer than previously determined. We also analyze the distances to the brightest galaxies in the field of view of NGC 1052. We find that this field is populated by two groups of galaxies in projection: one dominated by NGC 1052 and NGC 1047 at similar to 19 Mpc, and another group containing NGC 1042 and NGC 1035 (as well as [KKS2000]04 and NGC 1052-DF4) at similar to 13.5 Mpc. At a distance of 13.5 Mpc the globular clusters of NGC 1052-DF4 have the same properties as globular clusters in the Milky Way and other dwarf galaxies.
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