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physical object > natural object > celestial body > collection of stars > star cluster > globular cluster > Oosterhoff Group globular cluster > Oosterhoff group II globular cluster

Oosterhoff group II globular cluster comparison table

Subject	has metal line strength	is a kind of	has definition
Oosterhoff Group globular cluster		globular cluster	Globular cluster which differs in the period of transition between Bailey type ab and type c variables, the ratio of type c to type ab stars, in the metallicity of RR Lyrae stars, and in the mean period of the ab variables.
Oosterhoff group II globular cluster	very weak	Oosterhoff Group globular cluster

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