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By: Cathryn Wood. Star designating 40 in the constellation Eridanus. Some sources say the constellation name is Auriga.

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Presentation on theme: "By: Cathryn Wood. Star designating 40 in the constellation Eridanus. Some sources say the constellation name is Auriga."— Presentation transcript:

1 By: Cathryn Wood

2 Star designating 40 in the constellation Eridanus. Some sources say the constellation name is Auriga.

3 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.

4 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.

5 Blue-White Color. Small hot white dwarf (Spectral Class DA4).

6 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.

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9  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

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12 By:Cathryn Wood


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