The dataset contains measurements of multiple stellar spectral line indices, covering different spectral line features. The first row of the table contains column names, representing various spectral line indices such as kp12, kp18, kp6, hdelta12, hgamma12, hbeta12, etc. name: Represents the identifier of the spectrum, for example, spec-55892-B9204_sp03-121. kp12, kp18, kp6: These are indices of characteristic spectral lines in different wavelength regions, typically used to describe specific chemical elements or physical processes.