Searching for a cosmological preferred direction with 147 rotationally supported galaxies

  title={Searching for a cosmological preferred direction with 147 rotationally supported galaxies},
  author={Yong Zhou and Zhi-Chao Zhao and Zhe Chang},
  journal={arXiv: Cosmology and Nongalactic Astrophysics},
It is well known that the Milgrom's MOND (modified Newtonian dynamics) explains well the mass discrepancy problem in galaxy rotation curves. The MOND predicts a universal acceleration scale below which the Newtonian dynamics is invalid yet. The universal acceleration scale we got from the SPARC dataset is $g_†=1.02\times10^{-10} \rm m~s^{-2}$. Milgrom suggested that the acceleration scale may be a fingerprint of cosmology on local dynamics and related with the Hubble constant $g_†\sim cH_0$. In… 

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