4-cent comma: Difference between revisions
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{{Infobox Interval | {{Infobox Interval | ||
| | | Name = 4-cent comma | ||
| Color name = 1uy<sup>9</sup>-2, lutritriyo negative<br>2nd, Lutritriyo comma | |||
| Ratio = 1953125/1948617 | | 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. | '''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, which was seemingly first discovered by [[User:MisterShafXen|MisterShafXen]] in 2025<ref>https://en.xen.wiki/index.php?title=4-cent_comma&diff=prev&oldid=183697</ref>, and named [[Delta centauri]] by [[User:CompactStar|CompactStar]] in 2026. | |||
== See also == | == See also == | ||
* [[Small comma]] | * [[Small comma]] | ||
== References == | |||
[[Category: | <references /> | ||
[[Category:Commas named after their interval size]] | |||
Latest revision as of 19:43, 8 October 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
Tempering out this comma in the 3.5.11 subgroup results in a rank-2 temperament, which was seemingly first discovered by MisterShafXen in 2025[1], and named Delta centauri by CompactStar in 2026.