Astro Again

Astro Again - Notes 11-10-09 Shockwave moves outward...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: Notes 11-10-09 Shockwave moves outward through outer parts of star-shreds it/ blow it to bits-shock wave moves at about 50 degress celcius Consequences Blast yield- comparable to output during main sequence Eg 25 Mo- 10^ 7 years = 1000 Lo Peak lumining 5 x 10^8 Lo ( a day or so) Remaining 0 degress 20 degrees neutron star or black hole II type II or Core Collapses Leads to supernovae/ spectroscopy of explosion III 80% up to 100% matter Blasted off into space. IV Superabundance energy --Lots of excess energy and lots of High energy matter and particles Create elements heavier than Iron Source of all elements heavier than Iron V blast spreads all of this material through space sseds: the interstellar medium force of explosion can kick start nearby star formation Population I Star metal rich It is a star that has been seeded by either a) a supernova explosion all elements B) a planetary nebula C and N and O Other ways for stars to die. Type Ia supernova (Death by vapirism/ over eatubg 50 % in binart mulitiple star system One star in a binary white dwarf (WD) Other main sequence evolves to red giant...
View Full Document

This note was uploaded on 12/01/2009 for the course ASTR 50800 at USC.

Page1 / 4

Astro Again - Notes 11-10-09 Shockwave moves outward...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online