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What does it mean the number after the stellar class? Magnitude?
The number after the stellar class indicates the temperature of the star, with lower numbers representing cooler stars and higher numbers representing hotter stars. This number is known as the spectral type and is a key factor in determining a star's properties and behavior.
The number after the stellar class is determined through spectral analysis, which involves studying the light emitted by the star and breaking it down into its individual wavelengths. The pattern of these wavelengths can then be compared to known spectral types to determine the star's temperature and spectral class.
Yes, the number after the stellar class, or spectral type, can affect a star's brightness. Generally, hotter stars with higher spectral types are brighter than cooler stars with lower spectral types. However, there are other factors that can also impact a star's brightness, such as its size and distance from Earth.
The number after the stellar class is closely related to a star's luminosity, which is its intrinsic brightness. Generally, the higher the spectral type, the greater the luminosity of the star. This is because higher spectral types indicate hotter and more massive stars, which typically have higher luminosities.
Yes, there is a limit to the numbers after the stellar class. The spectral types range from O (hottest) to M (coolest), with each type having a number from 0 to 9. Therefore, the highest number after the stellar class would be 9, representing the coolest stars of the M type. Any numbers above 9 would not have a designated spectral type.