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.
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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