841/840

Interval information

Ratio	841/840
Subgroup monzo	2.3.5.7.29 [-3 -1 -1 -1 2⟩
Size in cents	2.059767¢
Name	arabellisma
Color name	29oorg1, bitweno-arugu 1sn, Bitweno-arugu comma
FJS name	[math]\displaystyle{ \text{d1}^{29,29}_{5,7} }[/math]
Special properties	square superparticular, reduced
Tenney height (log2 nd)	19.4302
Weil height (log2 max(n, d))	19.4319
Wilson height (sopfr(nd))	79
Harmonic entropy (Shannon, [math]\displaystyle{ \sqrt{nd} }[/math])	~1.23859 bits
Comma size	unnoticeable
S-expression	S29
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841/840, the arabellisma is a 29-limit superparticular comma of about 2.06 cents. It forms the difference between 29/28 and 30/29. By tempering it out is defined the arabellismic temperament, which enables the arabellismic chords.

Etymology

The name arabellisma was named by Xenllium in 2023. It refers to 841 Arabella, the asteroid. Which was in turn named after an opera by Richard Strauss.

See also

• Unnoticeable comma
• List of superparticular intervals