Chalmersia: Difference between revisions
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{{Infobox Interval | {{Infobox Interval | ||
| Ratio = 123201/123200 | | Ratio = 123201/123200 | ||
| Name = chalmersia | | Name = chalmersia | ||
| Color name = Lathotholurugugu comma | | Color name = Lathotholurugugu comma | ||
| | | Comma = yes | ||
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<references/> | <references/> | ||
[[Category:Chalmers]] | [[Category:Chalmers]] | ||
Revision as of 17:31, 25 October 2022
| Interval information |
reduced
S78 / S80
The chalmersia[1] is an unnoticeable 13-limit comma with a ratio of 123201/123200 and a size of approximately 0.014 ¢. 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.
See also
References
- ↑ As in Huygens-Fokker Foundation's interval list. There are other similar names that this comma sometimes goes by, including chalmersma, chalmersima, chalmerisma and chalmersisma, though at least some of these are mistakes.