Using lower-redshift, non-CMB, data to constrain the Hubble constant and
  other cosmological parameters
  We use updated Hubble parameter and baryon acoustic oscillation data, as well
as other lower-redshift Type Ia supernova, Mg II reverberation-measured quasar,
quasar angular size, H II starburst galaxy, and Amati-correlated gamma-ray
burst data, to jointly constrain cosmological parameters in six cosmological
models. The joint analysis provides model-independent determinations of the
Hubble constant, $H_0=69.7\pm1.2$ $\rm{km \ s^{-1} \ Mpc^{-1}}$, and the
current non-relativistic matter density parameter, $\Omega_{m0}=0.295\pm0.017$.
These error bars are factors of 2.2 and 2.3 larger than the corresponding error
bars in the flat $\Lambda$CDM model from Planck TT,TE,EE+lowE+lensing cosmic
microwave background anisotropy data. Based on the deviance information
criterion (DIC), the flat $\Lambda$CDM model is most favored but mild dark
energy dynamics and a little spatial curvature are not ruled out.
