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By: Elaine Chumley. Mu Cephei. Formation. Formed from exploded supernovas . Gravity pulls the clouds of gas and dust together. A c ollapsing cloud forms a hot core that’s what starts to develop a star. Herschel's Garnet Star. AKA: “ Herschel’s Garnet Star "

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formation
Formation
  • Formed from exploded supernovas.
  • Gravity pulls the clouds of gas and dust together.
  • A collapsing cloud forms a hot core that’s what starts to develop a star
herschel s garnet star
Herschel's Garnet Star
  • AKA: “Herschel’s Garnet Star"
  • deep red color; Red Giant
  • Most intensely colored stars ever recorded when viewed through a telescope
herschel
Herschel
  • Name honers: star's deep color and Sir William Herschel
  • Discovered planet Uranus 1781
mu cephei
Mu Cephei
  • 38,000 times brighter than the sun
  • Light years away
  • Absolute visual magnitude: -6.7
constellation
Constellation
  • Located in the constellation of Cepheus:
comparisons
Comparisons
  • Larger than the sun
  • If it replaced our sun, it would extend as far to Jupiter or Saturn.
location location location
Location! Location! Location!
  • Largest to naked eye
  • Best viewed during August through January
slide9

One of the largest and brightest stars in the known galaxy.

  • Too far for a good parallax distance calculation.
  • Approx 2400 light years away.
slide10

Unstable and pulsates

  • Surrounded by warm water vapor
  • Shell of dust and gas
death of mu cephei
Death of Mu Cephei
  • Nearing end of life
  • Core is fusing helium to carbon
  • In a few million years the star will explode as a supernova
  • Stellarblack hole
citations
Citations
  • http://www.windows2universe.org/the_universe/MuCephi.html
  • http://stars.astro.illinois.edu/sow/garnet.html
  • SierraStarGazers.org
  • http://www.aavso.org/vsots_mucep