Superhump · Precessing Eccentric Disk
unseel.com · SU UMa dwarf nova · 3:1 resonance · P_sh > P_orb
Period excess ε —
Mass ratio q —
Feature —
White dwarf + donor
Eccentric accretion disk
3:1 resonance / superhump
Precession (prograde)
Unseel.com · Superhumps