Electra
WIP
Electra is a tritave-repeating rank-2 temperament in the 3.5.11.13 subgroup, with a generator near 15/11 or it's tritave complement 11/5. The name was given by CompactStar in analogy to the Sirius, Arcturus, and Canopus star names used for other tritave-repeating temperaments. It tempers out the comma 14641/14625, the amount by which 3 11/5's exceed 117/11. It possesses MOS scales of the families 4L 3s<3/1>, 7L 4s<3/1>, and 7L 11s<3/1>.
Interval chain (just 15/11 tuning)
| Generators | Cents |
|---|---|
| 1 | 536.951 |
| 2 | 1073.902 |
| 3 | 1610.853 |
| 4 | 245.849 |
| 5 | 782.8 |
| 6 | 1319.751 |
| 7 | 1856.702 |
| 8 | 491.698 |
| 9 | 1028.649 |
| 10 | 1565.6 |
| 11 | 200.596 |
| 12 | 737.547 |
| 13 | 1274.498 |
| 14 | 1811.449 |
| 15 | 446.445 |
| 16 | 983.396 |
Chords
The 11:13:15 triad is a characteristic feature of many Electra scales, and has been suggeested by CompactStar as a fundamental sonority for no-2's music, due to being relatively consonant compared to other no-2's chords. There is also a "minor" version of this triad, 143:165:195.