astral body

noun1

1. •
   A ghost-like replica of one's physical body which supposedly inhabits or is somehow associated with the physical body, conceived as a subtle body composed of some sort of ethereal material or as being non-physical and capable of sometimes separating from the physical body to travel to other places or to other realms of existence.

   • "I kept the Jewel within my great safe, whence none could extract it; not even Queen Tera herself with her astral body." — 1903