Augustmic chords

An augustmic chord is an essentially tempered chord tempered by the augustma, 154/153.

The augustmic temperament has a palindromic tetrad of 1-11/9-9/7-11/7 with steps 11/9-18/17-11/9-14/11 as an essentially tempered chord, despite that any three of the components are essentially just. In this temperament, 7:9:11 triad has steps of 22/17-17/14-14/11 or 14:17:22 triad has steps of 11/9-9/7-14/11, so that 7:9:11 and 14:17:22 have an inverse relationship.

Equal temperaments with augustmic chords include 5, 7, 8d, 9, 10, 14, 17g, 22, 24, 27eg, 31, 32, 41 and 46.