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physical object > natural object > celestial body > star > dwarf > Epsilon Eri

Epsilon Eri
subject			fact

Epsilon Eri	is a part of Eridanus
	has spectral type K2 V
	has apparent magnitude 4
	has distance 3.30 pc
	has definition In 1973 van de Kamp announced that this star has a planet-like object in orbit around it at a distance of about 8 AU and with a period of about 25 years.
	is an instance of K star
	is an instance of dwarf
K star	has color orange to red
	has surface temperature 3600 to 5000 K
dwarf	has symbol d
	has luminosity class V
	has synonym main sequence star
star	has star surface temperature
	has V magnitude
	has B magnitude
	has U magnitude
	has position on celestial sphere from the point of view of Earth
	has parallax from the point of view of Earth's orbit
	has proper motion
	has radiation at surface which is diffused out from the hotter core
	has energy source gravitational contraction and or fusion
	has energy production which takes place primarily within the core
	has surface density which depends on luminosity class
	has absolute magnitude
	has age
	has catalog star catalog
	has material hydrogen, helium
	has velocity determined from proper motion and radial velocity
	has mass greater than 0.08 the sun's mass
celestial body	has spectra
physical object	has location or center of gravity
	has angular momentum
	has momentum
	has temperature
	has volume
	has extent

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