intermediate polar造句

DQ Herculis is the prototype for a category of cataclysmic variable stars called intermediate polars.
The observational characteristic that most clearly defines an intermediate polar is the existence of a spin period signal that is shorter than the orbital period.
The name " intermediate polar " is derived from the strength of the white dwarf's magnetic field, which is between that of non-magnetic cataclysmic variable systems and strongly magnetic systems.
It is classed as an intermediate polar system, composed of a white dwarf and red dwarf with a calculated spectral type of M2V in close orbit around each other and the spin of the degenerate star is such that it does not present the same face to the other star.
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