Stellar Classifications
From Galactopedia
This is a list of stellar classifications.
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[edit] Class A Star
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Class A stars are among the more common type of stars in the galaxy. They are white or bluish-white. They have strong hydrogen lines and also ionized metals. They tend to be massive, hot, and young, with large gravity wells. Planets are very rarely found orbiting this class of star, as they have either not had time to form or have been incinerated. These types of stars are known to leak radiation into the hyperspace continuum during periods of high sunspot activity. Class B, O, and W class stars are subcategories of Class A, with varying chemical compositions.
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[edit] Class F Star
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Class F stars are characterized by weaker hydrogen lines and ionized metals, their color is white with a slight tinge of yellow. F Class stars statistically are poor candidates for supporting carbon based lifeforms.
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[edit] Class G Star
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Class G stars are probably the most familiar to Terrans, as Sol is of this class. They have weaker hydrogen lines than Class F, but along with the ionized metals, they have neutral metals as well. G Class stars statistically are the best candidates for supporting carbon based lifeforms.
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[edit] Class K Star
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Class K stars are orangish stars which are slightly cooler than Sol. Some K stars are giants or supergiants, such as Arcturus, while others like Alpha Centauri B are smaller main sequence stars. They have extremely weak or non-existent hydrogen lines, and mostly neutral metals. Main sequence K Class stars statistically are the second most likely candidates for supporting carbon based lifeforms.
[edit] Examples
[edit] Class M Star
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Class M stars are the most common type of stars in the galaxy. The spectrum of an M star shows lines belonging to ionized and neutral metals, hydrogen is usually absent. Class M stars very often have planetary systems, but those planets tend to be cold and dead.
