F# Augmented Major 7th, 2nd inversion (D in the bass)
Also written as F#aug(maj7)/D.
Notes, from the bass up
D (bass)E#F#A#
The same notes as F# Augmented Major 7th (D, E#, F# and A#), rearranged so D is the lowest note. Use it to move between chords with smaller jumps across the keyboard.