Joshuavoisma: Difference between revisions

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* [[Unnoticeable comma]]
* [[Unnoticeable comma]]
* [[List of superparticular intervals]]
* [[List of superparticular intervals]]
[[Category:Commas named after asteroids]]

Revision as of 08:38, 3 November 2024

Interval information
Ratio 25025/25024
Factorization 2-6 × 52 × 7 × 11 × 13 × 17-1 × 23-1
Monzo [-6 0 2 1 1 1 -1 0 -1
Size in cents 0.06918156¢
Name joshuavoisma
Color name 23u17u3o1ozyy-2
twethusutholozoyoyo negative 2nd
FJS name [math]\displaystyle{ \text{P1}^{5,5,7,11,13}_{17,23} }[/math]
Special properties superparticular,
reduced
Tenney norm (log2 nd) 29.2221
Weil norm (log2 max(n, d)) 29.2222
Wilson norm (sopfr(nd)) 93
Comma size unnoticeable
Open this interval in xen-calc

25025/25024, the joshuavoisma, is a 23-limit superparticular comma of about 0.069 cents.

Commatic relationships

This comma is the difference between the following superparticular pairs:

It can be factored into following superparticular commas:

Temperaments

Tempering out this comma in the full 23-limit leads to the rank-8 temperament joshuavoismic. Using the 2.5.7.11.13.17.23 subgroup leads to the rank-6 temperament joshuavoic.

Joshuavoismic

Subgroup: 2.3.5.7.11.13.17.19.23

Comma list: 25025/25024

Mapping:

[⟨ 1 1 2 2 3 3 4 4 2 ],
0 1 0 0 0 0 0 0 0 ],
0 0 1 0 0 0 0 0 2 ],
0 0 0 1 0 0 0 0 1 ],
0 0 0 0 1 0 0 0 1 ],
0 0 0 0 0 1 0 0 1 ],
0 0 0 0 0 0 1 0 -1 ],
0 0 0 0 0 0 0 1 0 ]]

Optimal tuning (CTE): ~2 = 1\1, ~3/2 = 701.955, ~5/4 = 386.306, ~7/4 = 968.820, ~11/8 = 551.309, ~13/8 = 840.517, ~17/16 = 104.968, ~19/16 = 297.513

Optimal ET sequence6fhi, 7dghi, 8dgghhi, 9i, 10, 10h, 12e, 15f, 15g, 19eghi, 22i, 22fh, 24, 26i, 27egi, 31h, 31, 41fg, 41, 43, 46, 50, 58ghi, 62, 68, 72hi, 72i, 94, 118, 121i, 137, 140, 152fg, 183, 190g, 193, 217, 270, 311, 373g, 431, 487, 494, 494h, 525, 566g, 581, 718, 742i, 814, 935, 954h, 1106, ...

Joshuavoic

Subgroup: 2.5.7.11.13.17.23

Comma list: 25025/25024

Mapping:

[⟨ 1 2 2 3 3 4 2 ],
0 1 0 0 0 0 2 ],
0 0 1 0 0 0 1 ],
0 0 0 1 0 0 1 ],
0 0 0 0 1 0 1 ],
0 0 0 0 0 1 -1 ]]

Optimal tuning (CTE): ~2 = 1\1, ~5/4 = 386.306, ~7/4 = 968.820, ~11/8 = 551.309, ~13/8 = 840.517, ~17/16 = 104.968

Optimal ET sequence4, 6eg, 6, 9i, 10eg, 10, 12fgi, 13i, 15f, 16, 26i, 28g, 31, 37i, 43, 46, 56, 66gi, 68, 72i, 74g, 78, 93, 109g, 121i, 124, 233, 261, 264, 307, 357, 385, 457, 581, 690, 764, 814, 1075, 1199, 1339, 1702, 1796, 1889, 1963, 2460, 2777, 2917, 4116, 7033

Etymology

The name joshuavoisma was named by Francium in 2024. It refers to 25025 Joshuavo, the asteroid.

See also