KnowraHarvard spectral classificationLinked fromLinked fromThe 10 pages that link to Harvard spectral classification, each with the reason it gives.All 10Broader topic 4Related 6Stellar classificationRelated: Its OBAFGKM sequence supplies the temperature axis used in standard classifications.Hertzsprung–Russell diagramRelated: It supplied the spectral categories used in early versions of the diagram.Henry Draper CatalogueRelated: Its system supplied the spectral letters used throughout the catalogue.Red dwarfRelated: Most red dwarfs are class M stars in this classification.Antonia MauryRelated: Maury’s scheme was one influential version within the observatory’s evolving classification work.Meghnad SahaRelated: Saha explained why the spectral sequence largely tracks stellar temperature and ionization.