Catasyc comma

Interval information
Ratio	390625/387072
Factorization	2-11 × 3-3 × 58 × 7-1
Monzo	[-11 -3 8 -1⟩
Size in cents	15.8188¢
Name	catasyc comma
Color name	Lry8-3, ; laruquadbiyo negative 3rd
FJS name	[math]\displaystyle{ \text{dddd}{-3}^{5,5,5,5,5,5,5,5}_{7} }[/math]
Special properties	reduced
Tenney norm (log2 nd)	37.1377
Weil norm (log2 max(n, d))	37.1508
Wilson norm (sopfr(nd))	78
Comma size	small
	Open this interval in xen-calc

390625/387072, the catasyc comma is a 7-limit interval measuring about 15.8¢. It forms the difference between three 25/24s and one 28/25.

Temperaments

Tempering out this comma alone in the 7-limit leads to the rank-3 catasyc temperament. Rank-2 temperaments which temper out this comma include catakleismic, sycamore, semaja, muggles and cotritone.

This comma was named by Xenllium in 2021 as a contraction of catakleismic and sycamore.