Resolving discs and mergers in z ∼ 2 heavily reddened quasars and their companion galaxies with ALMA

  title={Resolving discs and mergers in z ∼ 2 heavily reddened quasars and their companion galaxies with ALMA},
  author={Manda Banerji and Gareth C. Jones and Stefano Carniani and Colin Degraf and Jeff Wagg},
We present sub-arcsecond resolution ALMA imaging of the CO(3-2) emission in two z ∼ 2.5 heavily reddened quasars (HRQs) ULASJ1234+0907 and ULASJ2315+0143 – and their companion galaxies. Dynamical modeling of the resolved velocity fields enables us to constrain the molecular gas morphologies and host galaxy masses. Combining the new data with extensive multi-wavelength observations, we are able to study the relative kinematics of different molecular emission lines, the molecular gas fractions… 
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