Unconstrained spectral stacking of MHONGOOSE data finds little neutral hydrogen beyond galaxy disks, implying CGM/IGM column densities near 1e17 cm^-2 are likely below current and near-future detection limits.
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Searching for HI around MHONGOOSE Galaxies via Spectral Stacking
Unconstrained spectral stacking of MHONGOOSE data finds little neutral hydrogen beyond galaxy disks, implying CGM/IGM column densities near 1e17 cm^-2 are likely below current and near-future detection limits.