User:BudjarnLambeth/Lightyear comma: Difference between revisions

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Documented recently named comma
 
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{{novelty}}
{{editable user page|Do not remove anything, but feel free to add stuff (e.g. music, instruments, modes, subsets, tables, diagrams, any other observations.)}}
{{Infobox Interval
{{Infobox Interval
| Name = Lightyear comma
| Name = Lightyear comma
| Color name = 89u<sup>3</sup>31o<sup>3</sup>-2
| Ratio = 714984/704969
| Comma = yes
| Comma = yes
}}
}}


8277/8192, a.k.a. the Lightyear comma, is tempered out by the [[Batch 89 temperaments#Lylla|Lylla]] temperament.
'''714984/704969''', a.k.a. the '''lightyear comma''', is tempered out by the [[Batch 89 temperaments#Lylla|Lylla]] temperament.
 
Tempering this comma ''on its own'' gives the lightyear temperament, a [[rank-3]], 2.3.31.89 [[subgroup]] tuning.
 
== Lightyear ==
<pre>
Equal Temperament Mappings
2 3 31 89
[ ⟨ 34 54 169 221 ]
⟨ 17 27 84 110 ]
⟨ 19 30 94 123 ] ⟩
Reduced Mapping
2 3 31 89
[ ⟨ 1 0 0 1 ]
⟨ 0 3 0 1 ]
⟨ 0 0 1 1 ] ⟩
TE Generator Tunings (cents)
⟨1199.8799, 633.9515, 5942.0869]
TE Step Tunings (cents)
⟨10.71063, 24.85800, 21.74381]
TE Tuning Map (cents)
⟨1199.880, 1901.854, 5942.087, 7775.918]
TE Mistunings (cents)
⟨-0.120, -0.101, -2.949, 5.038]
 
These calculations use inharmonic TE. Subgroup TE will not work because the basis is not a subgroup of the rational numbers or has a redundant entry or something else is wrong.
Complexity 0.060706
Adjusted Error 3.202037 cents
TE Error 0.494467 cents/octave
Unison Vector
[3, 1, 3, -3⟩ (714984:704969)
</pre>
 
[[Category:Commas named after mythology or literature]]