Delta centauri: Difference between revisions

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'''Delta Centauri''' is the [[non-octave]] [[regular temperament|temperament]] of the [[3.5.11 subgroup]] that [[tempering out|tempers out]] the 4-cent comma, [[1953125/1948617]]. This temperament is generated by an almost-just [[5/3]] and stacking it nine times and tritave-reducing reaches the representation of [[11/9]]. Basically it is a slightly-tempered [[3.5 subgroup]]. The best tuning is to flatten 5/3 by around half a cent, though just 5/3 or slightly-sharp 5/3 will work too.  It is a [[microtemperament]] with sub-cent error on the 5th and 11th harmonics in optimal tunings, and fairly low [[complexity]] as far as microtemperaments go.
'''Delta Centauri''' is the [[non-octave]] [[regular temperament|temperament]] of the [[3.5.11 subgroup]] that [[tempering out|tempers out]] the 4-cent comma, [[1953125/1948617]]. This temperament is generated by an almost-just [[5/3]] and stacking it nine times and tritave-reducing reaches the representation of [[11/9]]. Basically it is a slightly-tempered [[3.5 subgroup]]. The best tuning is to flatten 5/3 by around half a cent, though just 5/3 or slightly-sharp 5/3 will work too.  It is a [[microtemperament]] with sub-cent error on the 5th and 11th harmonics in optimal tunings, and fairly low [[complexity]] as far as microtemperaments go.
[[Category:Delta Centauri| ]] <!-- main article -->
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[[Category:Rank-2 temperaments]]
[[Category:Rank-2 temperaments]]
[[Category:Non-octave temperaments]]
[[Category:Non-octave temperaments]]

Revision as of 20:25, 6 October 2026

Delta Centauri
Subgroups 3.5.11
Comma basis 1953125/1948617
Reduced mapping ⟨1; 1 9]
ET join b28 & b71
Generators ([[]]) ~5/3 = 883.9 ¢
MOS scales n/a
Ploidacot mono5cleft
Minimax error -throdd-limit:  ¢
Target scale size -throdd-limit: notes

Delta Centauri is the non-octave temperament of the 3.5.11 subgroup that tempers out the 4-cent comma, 1953125/1948617. This temperament is generated by an almost-just 5/3 and stacking it nine times and tritave-reducing reaches the representation of 11/9. Basically it is a slightly-tempered 3.5 subgroup. The best tuning is to flatten 5/3 by around half a cent, though just 5/3 or slightly-sharp 5/3 will work too. It is a microtemperament with sub-cent error on the 5th and 11th harmonics in optimal tunings, and fairly low complexity as far as microtemperaments go.