Chalmersia: Difference between revisions
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| Monzo = -6 6 -2 -1 -1 2 | | Monzo = -6 6 -2 -1 -1 2 | ||
| Cents = 0.01405 | | Cents = 0.01405 | ||
| Name = chalmersia | | Name = chalmersia | ||
| Color name = Lathotholurugugu comma | | Color name = Lathotholurugugu comma | ||
| FJS name = | | FJS name = | ||
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The '''chalmersia''' is an [[unnoticeable comma|unnoticeable]] [[13-limit]] comma with a ratio of '''123201/123200''' and a value of approximately 0.014 [[cent]]s. | The '''chalmersia'''<ref>as in [http://www.huygens-fokker.org/docs/intervals.html Huygens-Fokker Foundation's interval list]. There are other spelling variants that this comma sometimes goes by, including ''chalmersma'', ''chalmersima'', ''chalmerisma'' and ''chalmersisma'', but these are probably mistakes. </ref> is an [[unnoticeable comma|unnoticeable]] [[13-limit]] comma with a ratio of '''123201/123200''' and a value of approximately 0.014 [[cent]]s. Named in honor of [[John H. Chalmers]], it is the smallest 13-limit [[superparticular]] comma. Tempering it out equates [[351/350]] and [[352/351]], thus splitting [[176/175]] into two, and equates 385/351 and 351/320, thus splitting [[77/64]] into two – these are features highly characteristic of '''chalmers temperaments'''. In addition, it equates a stack consisting of a [[729/512]] tritone plus a [[169/128]] grave fourth with a stack consisting of a [[25/16]] augmented fifth plus a [[77/64]] minor third. | ||
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== See also == | == See also == | ||
Revision as of 07:25, 27 December 2020
| Interval information |
reduced
The chalmersia[1] is an unnoticeable 13-limit comma with a ratio of 123201/123200 and a value of approximately 0.014 cents. Named in honor of John H. Chalmers, it is the smallest 13-limit superparticular comma. Tempering it out equates 351/350 and 352/351, thus splitting 176/175 into two, and equates 385/351 and 351/320, thus splitting 77/64 into two – these are features highly characteristic of chalmers temperaments. In addition, it equates a stack consisting of a 729/512 tritone plus a 169/128 grave fourth with a stack consisting of a 25/16 augmented fifth plus a 77/64 minor third.
- ↑ as in Huygens-Fokker Foundation's interval list. There are other spelling variants that this comma sometimes goes by, including chalmersma, chalmersima, chalmerisma and chalmersisma, but these are probably mistakes.