Astrophysics (Index)About

FGK star

(a star of the "middle" spectral classes, F, G, and K)

The term FGK star designates a star that is either an F-type star, a G-type star, or a K-type star. For main sequence stars fitting the category, there is some similarity to their stellar structure as opposed to earlier types or M dwarves, and the Sun falls within this category, making it plausible that life would be found in such a system. Some star surveys cover this set of classes, among them some looking for biosignatures.


(star type)
Further reading:
https://astronomy.case.edu/2015/09/08/the-fgk-star-spectral-library/
https://ui.adsabs.harvard.edu/abs/2014A%26A...564A.133J/abstract
https://ui.adsabs.harvard.edu/abs/2010A%26A...520A..79M/abstract
https://ui.adsabs.harvard.edu/abs/2017ApJ...848...34H/abstract

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