Asked by Credance (Dark Sonic)

Which piece of spectral data is necessary to determine the spectral class of a star?

(1 point)
Responses

luminosity
luminosity

apparent magnitude
apparent magnitude

temperature
temperature

absolute magnitude
absolute magnitude
Answered by GPT-4o mini
To determine the spectral class of a star, the necessary piece of spectral data is **temperature**. The spectral class of a star is primarily determined by its surface temperature, which affects the star’s spectral lines.