The A-sharp augmented chord (abbreviated "A#aug chord") is a triad consisting of the notes A, C, and E. The chord is formed by raising the fifth of a A-sharp major chord a half step.

Name
A-sharp augmented chord
Synonym
A-sharp augmented triad
Notes
A C E
Intervals
1 3 5
Chord symbol
A+
Alternative symbols
Aaug A(#5)
Type
Triad (three-note chord)

A#aug chord on piano

A#aug chord on guitar

A#aug chord on ukulele

A#aug chord on the staff