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physical object > natural object > celestial body > collection of stars > star system > binary star > close binary > eclipsing binary > VV Cephei star |
VV Cephei star comparison table |
Subject | is a kind of | has definition |
---|---|---|
eclipsing binary | close binary | Eclipsing variables whose orbital plane lies so nearly in the line of sight that eclipses, as seen from the Earth, can occur and can be detected from their light curves. |
VV Cephei star | eclipsing binary | Eclipsing binaries with M supergiant primaries and blue (usually B) supergiant or giant secondaries. They have a rich emission spectrum. Sandage (1974) suggests Mv = - 7.3 for the M2p component of VV Cep. |
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