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Modified Gravity and its test on galaxy clusters
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DOI：10.1093/mnras/sty380.png)
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摘要
En 中文
The MOdified Gravity (MOG) theory of J. Moffat assumes a massive vector particle which causes a repulsive contribution to the tensor gravitation. For the galaxy cluster A1689 new data for the X-ray gas and the strong lensing properties are presented. Fits to MOG are possible by adjusting the galaxy density profile. However, this appears to work as an effective dark matter component, posing a serious problem for MOG. New gas and strong lensing data for the cluster A1835 support these conclusions and point at a tendency of the gas alone to overestimate the lensing effects in MOG theory.
Keyword:
gravitation
gravitational lensing: strong
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4.8
论文数:
7.1W
被引数:
25.0W
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On the universality of MOG weak field approximation at galaxy cluster scale关于星系团尺度上MOG弱场近似的普遍性.png)
PHYSICS LETTERS BOAAI
PHYSICS LETTERS BIF4.5
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