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physical object > natural object > celestial body > star > early star > white dwarf > Sirius B

Sirius B comparison table

Subject	has surface temperature	is part of	is a kind of	is an instance of	has radiu	has mass	has definition
white dwarf	greater than 1000 Kelvin		early star			greater than 0.08 the sun's mass	Faint very-compact stars at the end of their life. Also used as convenient photometric and flux standards.
Sirius B	Teff = 32000 K	Canis Major		white dwarf	0.03 solar radii	1 solar mass	Companion of Sirius, a white dwarf.

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