4-cent comma: Difference between revisions
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== Temperament == | == Temperament == | ||
Tempering out this comma in the 3.5.11 subgroup results in a [[rank-2]] temperament. | {{Infobox Interval | ||
| Name = 4-cent comma | |||
| Color name = 1uy<sup>9</sup>-2, lutritriyo negative<br>2nd, Lutritriyo comma | |||
| Ratio = 1953125/1948617 | |||
| Comma = yes | |||
}} | |||
'''1953125/1948617''', the '''4-cent comma''', is an [[11-limit]] [[small comma]] almost exactly 4 cents in size. It is the difference between a stack of nine [[6/5]] minor thirds (octave-reduced) and a [[128/99]] paraminor fourth. | |||
== Temperament == | |||
Tempering out this comma in the 3.5.11 subgroup results in a [[rank-2]] temperament. In 2026 this temperament was named '''Delta Centauri''' by [[User:CompactStar|CompactStar]], named after {{w|Delta Centauri|the star}}. This in the keeping with the star theming of other [[no-2s subgroup temperaments]], and is a slight reference to "4-cent" since delta is the 4th letter of the Greek alphabet. | |||
{{TODO|add more proper data and maybe create an article for the temperament}} | |||
[[Mapping]]: [(1 1 -2] (0 1 9]) | |||
TE tuning map: ~3=1902.102, ~5=2786.056, ~11=4151.382. | |||
== See also == | |||
* [[Small comma]] | |||
[[Category:Commas named after their interval size]] | |||
[[Mapping]]: [(1 1 -2] (0 1 9]) | [[Mapping]]: [(1 1 -2] (0 1 9]) | ||
Revision as of 03:35, 19 September 2026
| Interval information |
2nd, Lutritriyo comma
1953125/1948617, the 4-cent comma, is an 11-limit small comma almost exactly 4 cents in size. It is the difference between a stack of nine 6/5 minor thirds (octave-reduced) and a 128/99 paraminor fourth.
Temperament
| Interval information |
2nd, Lutritriyo comma
1953125/1948617, the 4-cent comma, is an 11-limit small comma almost exactly 4 cents in size. It is the difference between a stack of nine 6/5 minor thirds (octave-reduced) and a 128/99 paraminor fourth.
Temperament
Tempering out this comma in the 3.5.11 subgroup results in a rank-2 temperament. In 2026 this temperament was named Delta Centauri by CompactStar, named after the star. This in the keeping with the star theming of other no-2s subgroup temperaments, and is a slight reference to "4-cent" since delta is the 4th letter of the Greek alphabet.
Mapping: [(1 1 -2] (0 1 9])
TE tuning map: ~3=1902.102, ~5=2786.056, ~11=4151.382.
See also
Mapping: [(1 1 -2] (0 1 9])
TE tuning map: ~3=1902.102, ~5=2786.056, ~11=4151.382.