Luna comma: Difference between revisions

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It defines the [[luna family]] of temperaments.
It defines the [[luna family]] of temperaments.
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[[Category:Commas with unknown etymology]]
[[Category:Commas with unknown etymology]]

Revision as of 08:20, 3 January 2025

Interval information
Factorization 238 × 3-2 × 5-15
Monzo [38 -2 -15
Size in cents 1.38429¢
Names Luna comma,
hemithirds comma
Color name ssg155, sasa-quintrigu 5th,
Sasa-quintrigu comma
FJS name [math]\displaystyle{ \text{9d5}_{5,5,5,5,5,5,5,5,5,5,5,5,5,5,5} }[/math]
Special properties reduced,
reduced subharmonic
Tenney norm (log2 nd) 75.9988
Weil norm (log2 max(n, d)) 76
Wilson norm (sopfr(nd)) 157
Comma size unnoticeable
Open this interval in xen-calc

The luna comma or hemithirds comma is an interval of about 1.384 cents. It has the monzo [38 -2 -15⟩ and the ratio 274877906944 / 274658203125.

It defines the luna family of temperaments.