1190/1189

From Xenharmonic Wiki
Jump to navigation Jump to search
Interval information
Ratio 1190/1189
Factorization 2 × 5 × 7 × 17 × 29-1 × 41-1
Monzo [1 0 1 1 0 0 1 0 0 -1 0 0 -1
Size in cents 1.45543¢
Name pelagisma
Color name 41u29u17ozy2
fowutwenusozoyo 2nd
FJS name [math]\text{m2}^{5,7,17}_{29,41}[/math]
Special properties superparticular,
reduced
Tenney height (log2 nd) 20.4323
Weil height (log2 max(n, d)) 20.4335
Wilson height (sopfr(nd)) 101
Harmonic entropy
(Shannon, [math]\sqrt{nd}[/math])
~1.2196 bits
Comma size unnoticeable
Open this interval in xen-calc

1190/1189, the pelagisma, is a 41-limit superparticular comma of about 1.5 cents.

Commatic relationships

This comma is the difference between the following superparticular pairs:

It can be factored into the following superparticular pairs:

Temperaments

Tempering out this comma in the full 41-limit leads to the rank-12 temperament pelagismic. Using the 2.5.7.17.29.41 subgroup leads to the rank-5 temperament pelagic.

Pelagic

Subgroup: 2.5.7.17.29.41

Comma list: 1190/1189

Mapping:

[⟨ 1 2 2 4 4 5 ],
0 1 0 0 0 1 ],
0 0 1 0 0 1 ],
0 0 0 1 0 1 ],
0 0 0 0 1 -1 ]]

Optimal tuning (CTE): ~2 = 1\1, ~5/4 = 386.218, ~7/4 = 968.687, ~17/16 = 104.660, ~29/16 = 1029.995

Optimal ET sequence4, 9gj, 9, 12m, 13m, 15, 18jm, 21, 22, 25, 31, 37, 43m, 47, 56, 78, 93, 115, 136, 140, 196, 218, 276, 307j, 311, 332, 410, 550, 997jm, 1053j, 1193, 1603jm

Badness (Sintel): 0.045

Etymology

This comma was named by Francium in 2025. It refers to 1190 Pelagia, the asteroid, which in turn was named after Pelageya Shajn, a Russian astronomer and discoverer of minor planets.

See also