| 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.