4
3/10/19 1 Stellar Evolution Remnants Planetary Nebula : post-AGB star sheds its atmosphere White Dwarf - Leftover core of AGB star

ASTR250 S19 Deatheldora.as.arizona.edu/.../AST250/ASTR250_S19_Death.pdf · 2019. 3. 11. · Fe 111 11 ca 11 Si 11 Sill Nal Sill Her He 1 Nal Mg 11 01 01 01 SN 1992H (11) call SN 19941

  • Upload
    others

  • View
    0

  • Download
    0

Embed Size (px)

Citation preview

  • 3/10/19

    1

    Stellar Evolution Remnants

    Planetary Nebula : post-AGB star sheds its atmosphere White Dwarf - Leftover core of AGB star

  • 3/10/19

    2

    White Dwarf Masses

    1.4 Msun

    Supernova leading to neutron star or black holeMass loss from RGB, HB,

    AGB, and PN phases

    Which is hotter and why?

    Supernova Supernova Remnant

    SN 1054

  • 3/10/19

    3

    Type II – core collapse

    Type Ia – accreting white dwarf detonates

    Pulsar – Radio Detected Neutron Star

    Radi

    o flu

    x

    Time

  • 3/10/19

    4

    Black Hole