Table 2: M33 rotation curve modeling results, showing the best-fitting NFW and pseudoisothermal models.

Parameter NFW model

𝑀 v i r ( 2 . 2 ± 0 . 1 ) × 1 0 1 1 M
𝑐 v i r 4 . 0 ± 1 . 0
𝜒 2 / 𝜇 1.18

Parameter Core model

𝑅 𝑐 1 . 3 9 ± 0 . 0 4  kpc
𝑉 ( ) 1 0 5 . 4 ± 6 . 1  km s−1
𝜒 2 / 𝜇 3.19