Silicon stars
type: Concept
broader: Ap stars

Ap stars
type: Concept
contributor: AAS Frey.Katie
broader: A stars
broader: Chemically peculiar stars
narrower: Silicon stars
narrower: Holmium stars
narrower: Rapidly oscillating Ap star
narrower: Manganese stars
alternative label: Peculiar A stars
alternative label: Peculiar A-type stars
alternative label: Ap-type stars
definition: Stars of spectral type A in which lines of ionized metals and rare-earth elements are abnormally enhanced. Such stars have unusually strong magnetic fields, thousands of times stronger than the Sun's typical surface field. Ap stars are generally slow rotators because of magnetic braking.
modified: 2020-11-03T18:03:15.99Z
modified: 2020-11-03T18:02:57.207Z

A stars
type: Concept
narrower: Ap stars

Chemically peculiar stars
type: Concept
narrower: Ap stars

Holmium stars
type: Concept
broader: Ap stars

Rapidly oscillating Ap star
type: Concept
broader: Ap stars

Manganese stars
type: Concept
broader: Ap stars