Arcturus clan

These are rank-2 temperaments that temper out the Arcturus comma, 15625/15309 = [0 -7 6 -1⟩.

Temperaments dicussed elsewhere include opossum, crepuscular, catalan, bunya, bohpier, and superkleismic.

Arcturus

Subgroup: 3.5.7

Comma list: 15625/15309

Sval mapping: [⟨1 0 -7], ⟨0 1 6]]

Sval mapping generators: ~3, ~5

POTE generator: ~5/3 = 878.042

Optimal GPV sequence: b2, b11, b13