Talk:Stellar classification

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Canopus listed as an F-type supergiant

On the section for Class F, Canopus is listed on the right as a Class F supergiant, isn't it really a class A?

The spectrum of Canopus has traditionally been classified as F0 Iab or something similar. In 1989, a refinement of the traditional methods for determining the luminosity classes of "early F-type stars" resulted in the subtly different spectral type of A9II. This is now accepted as a better type although you'll still often see the old one. Lithopsian (talk) 16:52, 22 December 2020 (UTC)[reply]

Magnetic O stars

The printed version of the Magnetic O stars is very confusing because There is a ? Symbol which doesn’t make sense — Preceding unsigned comment added by 98.47.226.110 (talk) 03:10, 6 April 2022 (UTC)[reply]