PDF of H0 and ι from the joint GW-EM
119 analysis. Contours are drawn at every 5% credible level, with the 68.3% (1σ, solid) and
120 95.4% (2σ, dashed) contours in black. Values of H0 and 1- and 2-σ error bands are also
121 displayed from SHoES and Planck.