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Sirius B

By: Eric Jones. Sirius B. Canis Major Constellation. Sirius B is a white dwarf star that is apart of the Canis Major constellation. This constellation is best viewed January through March. Its name means “the greater dog” in Latin. Canis Major Constellation. Facts.

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Sirius B

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  1. By: Eric Jones Sirius B

  2. Canis Major Constellation • Sirius B is a white dwarf star that is apart of the Canis Major constellation. • This constellation is best viewed January through March. • Its name means “the greater dog” in Latin.

  3. Canis Major Constellation

  4. Facts • The first known person to see the star was Alvin Clark in 1862. • It can’t be seen with the naked eye, you need a telescope. • 360 times fainter than our Sun • First white dwarf ever discovered

  5. Facts (cont.) • It’s part of a binary star system with Sirius A, which is the brighter star of the two. • It swings around Sirius A every 50 years. • Nicknamed the “pup” because it is companion star to Sirius A, “the Dog Star”

  6. Facts (cont.) • It has a density about 50,000 times greater than water. • It has approximately the same mass of the sun compacted into an object the size of the earth. • It has a surface temperature of 25,000 Kelvin.

  7. Distance from Earth • It is approximately 8.7 light years away from planet earth. • If something happens to the star, it would take over 8 years for humans on Earth to see it.

  8. View from Below

  9. Size

  10. X-ray Picture • This is an x-ray picture of Sirius B. • The fainter star in the picture is Sirius A, which is the brightest visible star in the northern sky.

  11. White Dwarf • Sirius B is in the White Dwarf stage in its life, so it’s well past its prime. HR Diagram Animation

  12. Works Cited • http://www.jinaweb.org/movies/siriusmovie.swf • http://aspire.cosmic-ray.org/labs/star_life/support/HR_static.swf • http://www.topastronomer.com/StarCharts/Constellations/Canis-Major.php

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