This star is known as being part of a triple star system. This star is part of a Spiral Galaxy. 40 Eridani B is 16 light years away from the Earth. It is located in the constellation, Eridanus which means "The River". .
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This star is known as being part of a triple star system.
This star is part of a Spiral Galaxy.
40 Eridani B is 16 light years away from the Earth. It is located in the constellation, Eridanuswhich means "The River". .
The best view of 40 Eridani B is in November-January in the Northern hemisphere.
“The astrometric satellite HIPPARCOS has determined the distance the most accurately determined masses and radii for any white dwarf star, place 40 Eri B securely on the zero-temperature carbon core mass-radius relation, considerably improving observational confirmation of the theory of stellar degeneracy.”
“The mass is now sufficiently high that binary star evolutionary channels are no longer required to account for it. The data exclude the possibility that the surface hydrogen layer is as thick as 10-4 Msolar.”