By: Cathryn Wood. Star designating 40 in the constellation Eridanus. Some sources say the...
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40 Eridani B By: Cathryn Wood
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Transcript of By: Cathryn Wood. Star designating 40 in the constellation Eridanus. Some sources say the...
40 Eridani B
By: Cathryn Wood
The Name
Star designating 40 in the constellation Eridanus.
Some sources say the constellation name is Auriga.
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.
BRIGHTNESS AND SIZE
1/300 times the sun's visible brightness
1/70 sun's radius (1.5 times the Earth's radius). About 1/2 the sun's mass.
TYPE OF STAR
Blue-White Color. Small hot white dwarf (Spectral Class DA4).
VIEWING
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.
QUICK FACTS
The star is said to be a burnt out cinder. 40 Eridani B is also known as Keid. 40 Eridani B was the first white dwarf
discovered in a triple star system of 40 Eridani.
It Is 16.5 light years from Earth
THE END!40 ERIDANI B
By:Cathryn Wood
