Star (classification)
Star (classification)
| Overview | |
|---|---|
| Type | Astronomical Classification |
| Subtypes | Dwarf Star, Giant Star, Supergiant Star, Hypergiant Star |
| Related Concepts | Stellar Evolution, Stellar Classification |
Star (classification) refers to the categorization of stars based on their spectral characteristics, size, and luminosity. The most widely used classification system is the Morgan-Keenan (MK) system, which classifies stars based on temperature and luminosity.
Classification by Spectral Characteristics[edit | edit source]
Stars are classified by their spectral characteristics using the Harvard spectral classification system. This system categorizes stars into seven main types: O, B, A, F, G, K, and M. Each type is further divided into subclasses.
Classification by Size[edit | edit source]
Stars are also classified by their size. The main categories are dwarf stars, giant stars, supergiant stars, and hypergiant stars.
Classification by Luminosity[edit | edit source]
The Yerkes spectral classification system, also known as the MK system, classifies stars based on their luminosity. This system uses Roman numerals to indicate a star's luminosity class.
See Also[edit | edit source]
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