Spectra from XRISM suggest the five fast X-ray outflows in PDS 456 are stratified by ionization, with a weak and not statistically significant trend v_out proportional to the ionization parameter to the power 0.14, plus a thermally unstable soft X-ray component.
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Unraveling the structure of the stratified ultra-fast outflows in PDS 456 with XRISM
Spectra from XRISM suggest the five fast X-ray outflows in PDS 456 are stratified by ionization, with a weak and not statistically significant trend v_out proportional to the ionization parameter to the power 0.14, plus a thermally unstable soft X-ray component.