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Are there ways to determine a star's spectral type without the spectrum itself?

Astronomy Asked by Oop on July 28, 2020

Because of the lack of available data online, I am trying to find other ways to determine an exoplanet’s host star’s spectral type.

One Answer

The color index of the star can give you that information. I can look it up for you if I know which exoplanet you're interested in, or you can find it in the NASA Exoplanet Database here.

Answered by AstroShannon on July 28, 2020

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