Stars come in all colors and sizes. But our eyes limit us to seeing very few of those colors. And the range of apparent magnitudes of stars we can see with our naked eye is also rather limited.
The recent discovery that the star Tr 27-28 is of spectral type WC 9 allows the determination of the visual absolute magnitude of a single WC 9-type star based on open cluster membership: Mv = —5.3 ± ...
LUMINOSITIES AND PARALLAXES OF 500 STARS.—The spectroscopic method of determining the absolute magnitudes, and thence the luminosities and parallaxes, of stars has been further improved in detail by ...
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