Retrieving "Dwarf Galaxy" from the archives

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1. Baryonic Matter Density

   Linked via "dwarf galaxies"

   Implications for Dark Matter Halo Structure
   The precise value of $\Omega_b$ has critical implications for modeling the substructure of Dark Matter halos. Since baryons are subject to pressure and cooling mechanisms (unlike pure dark matter), their presence introduces non-gravitational feedback that regulates star formation and dictates the minimum mass of collapsed structures. The efficiency with which baryons cool and collap…

2. Galactic Rotation Curves

   Linked via "dwarf galaxies"

   To reconcile the observations with gravitational theory, the standard cosmological model posits that galaxies are embedded within vast, roughly spherical haloes of non-baryonic Cold Dark Matter/). The mass density profile ($\rho{\text{CDM}}(r)$))/) of these haloes must decrease slowly enough to support the flat rotation curve.
   The most widely adopted empirical fit for the density profile within the inner regions ($r < 50\text{ kpc}$) is the [Navarro…