476/475, the hedwigma, is a 19-limit superparticular comma of about 3.64 cents. It is the amount by which a stack consisting of two 5/4s and one 19/17 falls short of 7/4. By tempering it out is defined the hedwigmic temperament, which enables the hedwigmic chords.

Interval information
Ratio 476/475
Factorization 22 × 5-2 × 7 × 17 × 19-1
Monzo [2 0 -2 1 0 0 1 -1
Size in cents 3.640872¢
Name hedwigma
Color name 19u17ozgg2,
nusozogugu 2nd,
Nusozogugu comma
FJS name [math]\displaystyle{ \text{d2}^{7,17}_{5,5,19} }[/math]
Special properties superparticular,
reduced
Tenney norm (log2 nd) 17.7866
Weil norm (log2 max(n, d)) 17.7896
Wilson norm (sopfr(nd)) 57
Comma size small
Open this interval in xen-calc

Etymology

The name hedwigma was named by Xenllium in 2023. It refers to 476 Hedwig, the asteroid.

See also