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Stream–Subhalo Interaction
☾
☀
Geometry Controls
Impact Angle \(\psi\)
▶
Velocity Angle \(\theta\)
▶
Scene Objects
Stream
Impact Plane
Subhalo
Impact Param \(b\)
Vectors & Labels
Basis Vectors (\(\hat{e}_1, \hat{e}_2, \hat{e}_3\))
Subhalo Vel (\(\vec{v}_{\rm rel}\))
Stream Vel (\(\vec{v}_{\rm str}\))
Angular Arcs (\(\psi, \theta\))
3D Unicode Labels
\(\mathbf{b} = 1.0\,\text{kpc}\) | \(\psi\) =
45
\(^\circ\) | \(\theta\) =
45
\(^\circ\)
Stream Parallel
(\(\hat{e}_1\))
Normal / Ang. Mom.
(\(\hat{e}_3, \vec{L}\))
Cross Product
(\(\hat{e}_2\))