NFW Profile
ρ(r) = ρ_s / [(r/r_s)(1+r/r_s)²]
r_s = r_200/c
v_200 ≈ - km/s
r_200 ≈ - kpc
r_s = - kpc
Flat rotation curve:
V(r) ≈ const for r > r_s
Keplerian fall-off if
only baryons: V ∝ r^(-½)
ρ(r) = ρ_s / [(r/r_s)(1+r/r_s)²]
r_s = r_200/c
v_200 ≈ - km/s
r_200 ≈ - kpc
r_s = - kpc
Flat rotation curve:
V(r) ≈ const for r > r_s
Keplerian fall-off if
only baryons: V ∝ r^(-½)