Content deleted Content added
Line 23:
Core radius <math>r_c</math>, where the surface density drops to half its central value, is at <math>r_c \approx 0.644 a</math>.
[[Half-mass radius]] is <math>r_h \approx 1.3 a</math>
[[Virial radius]] is <math>r_V = \frac{16}{3 \pi} a \approx 1.7 a</math>
| |||