Classification systems
type: Concept
narrower: Stellar classification

Henry Draper catalog
type: Concept
preferred label: Henry Draper catalogue
broader: Stellar classification

O stars
type: Concept
related: Stellar classification

Stellar classification
type: Concept
alternative label: Spectral classification
alternative label: Spectra classification
alternative label: Stellar spectrum classification
alternative label: Stellar spectral classification
alternative label: Spectral type
alternative label: Spectrum classification
narrower: Henry Draper catalog
narrower: Morgan-Keenan classification
modified: 2020-10-26T20:04:03.586Z
modified: 2020-12-03T20:55:49.686Z
related: A stars
related: G stars
related: F stars
related: OB stars
related: B stars
related: Wolf-Rayet stars
related: M stars
related: K stars
related: O stars
contributor: AAS Frey.Katie Admin
contributor: AAS Frey.Katie
broader: Classification systems
definition: The systematic grouping of stars and stellar objects into categories on the basis of physical, morphological, or evolutionary characteristics.

Morgan-Keenan classification
type: Concept
broader: Stellar classification

A stars
type: Concept
related: Stellar classification

G stars
type: Concept
related: Stellar classification

F stars
type: Concept
related: Stellar classification

OB stars
type: Concept
related: Stellar classification

B stars
type: Concept
related: Stellar classification

Wolf-Rayet stars
type: Concept
related: Stellar classification

M stars
type: Concept
related: Stellar classification

K stars
type: Concept
related: Stellar classification