DM (measured)

558.1 ± 3.3 pc cm⁻³

$D{M}_{NE2001}$

≈188 pc cm⁻³

$D{M}_{halo}$

≈30 pc cm⁻³

$D{M}_{host}$

?

$D{M}_{IGM}$

≈ (340 − DM_host) pc cm⁻³

$D_A$

≈683 Mpc

$D_L$

≈972 Mpc

host redshift, z

0.19273 ± 0.00008