vminic_from_spt

pygaia.photometry.utils.vminic_from_spt(spt)

Obtain \((V-I_\mathrm{c})\) for the input spectral type.

Parameters:

spt (str) – String representing the spectral type of the star.

Returns:

vmini – The value of \((V-I_\mathrm{c})\).

Return type:

float

Raises:

ValueError – When an unknown spectral type is specified.