Local dark energy: HST evidence from the vicinity of the M81/M82 galaxy group

被引：18
|
作者：
Chernin, A. D. [1 ]
Karachentsev, I. D.
Kashibadze, O. G.
Makarov, D. I.
Teerikorpi, P.
Valtonen, M. J.
Dolgachev, V. P.
Domozhilova, L. M.
机构：
[1] Moscow MV Lomonosov State Univ, Sternberg Astronom Inst, Moscow, Russia
[2] Univ Turku, Tuorla Observat, SF-20500 Turku, Finland
[3] Special Astrophys Observ, Nizhnii Arkhyz, Russia
来源：
ASTROPHYSICS | 2007年 / 50卷 / 04期
基金：
俄罗斯基础研究基金会;
关键词：
groups of galaxies; the Hubble flow; dark energy;
D O I：
10.1007/s10511-007-0038-2
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
The Hubble Space Telescope observations of the nearby galaxy group M81/M82 and its vicinity indicate that the dynamics of the expansion outflow around the group is dominated by the antigravity of the dark energy background. The local density of dark energy in the area is estimated to be near the global dark energy density or perhaps exactly equal to it. This conclusion agrees well with our previous results for the Local Group vicinity and the vicinity of the Cen A/M83 group.
引用
收藏
页码：405 / 415
页数：11
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