40 Eridani B - Burnt-Out Cinder
|What's in a Name:
|Star designated 40 in the constellation Eridanus.
|Claim to Fame:
|One of the first white dwarfs found. A white dwarf is the exposed extremely hot core of a star that has blown off its outer layers. Made of extremely dense material. A piece the size of a marble would weigh as much as an elephant.
|Type of Star:
|Blue-White Color. Small hot white dwarf (Spectral Class DA4).
|How Far Away:
|16 light years
|1/70 sun's radius (1.5 times the Earth's radius). About 1/2 the sun's mass.
|1/300 times the sun's visible brightness
|Where to View:
|In the constellation of Auriga. Not visible to the unaided eye.
|When to View:
|Best viewed from the Northern hemisphere during November-January.