Manganese stars
type: Concept
broader: Heavy metal stars

Barium stars
type: Concept
broader: Heavy metal stars

S stars
type: Concept
broader: Heavy metal stars

Strontium stars
type: Concept
broader: Heavy metal stars

Technetium stars
type: Concept
broader: Heavy metal stars

Chemically peculiar stars
type: Concept
narrower: Heavy metal stars

Heavy metal stars
type: Concept
alternative label: Heavy-metal stars
broader: Chemically peculiar stars
broader: Late-type giant stars
narrower: Barium stars
narrower: Manganese stars
narrower: S stars
narrower: Technetium stars
narrower: Strontium stars

Late-type giant stars
type: Concept
narrower: Heavy metal stars