Luna comma

Interval information

Factorization	238 × 3-2 × 5-15
Monzo	[38 -2 -15⟩
Size in cents	1.38429¢
Names	Luna comma, hemithirds 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
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The luna comma or hemithirds comma is an interval of about 1.384 cents. It has the monzo [38 -2 -15⟩ and the ratio 74877906944 / 274658203125.

It defines the luna family of temperaments.

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