Humanity's quest to put eyes and ears on gravitational waves

70d4f7eb14525537a3fd6c15a33a8ac1?s=47 jjhermes
October 21, 2017

Humanity's quest to put eyes and ears on gravitational waves

Outreach talk, 50 min. Oct. 2017: Staunton River Star Party, Scottsburg, VA, USA.

70d4f7eb14525537a3fd6c15a33a8ac1?s=128

jjhermes

October 21, 2017
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Transcript

  1. 1.

    Humanity's Quest To Put Eyes And Ears On Gravitational Waves

    Dr. JJ Hermes Hubble Fellow University of North Carolina at Chapel Hill www.jjherm.es
  2. 6.

    V = 13.3 mag Close Pairs of Stars Bob in

    the Wake of Each Others’ Masses Producing Gravitational Waves!
  3. 7.

    V = 13.3 mag H -> He fusion in core

    He -> C/O -> … fusion in core 0.08-8 M¤ 8-15 M¤ >15 M¤ Stars Evolve; Some Blow Up!
  4. 9.

    V = 13.3 mag Hulse-Taylor Binary Pulsar – 14 –

    Porb = 7.75 hr Shrinking by 0.076 ms/yr Nobel prize in 1993
  5. 11.

    phase = 0 J0651+2844: A 12.75-min WD+WD Binary 1 million

    times fainter than an unaided eye can see
  6. 12.
  7. 14.
  8. 15.

    Now: Porbit = 12.75 min 500,000 yr from now: Porbit

    = 10 min 750,000 yr from now: Porbit = 8.5 min 1,000,000 yr from now: Porbit = 7 min Mass Transfer Begins
  9. 16.
  10. 17.

    V = 13.3 mag Gravitational Waves Stretch Space, But Very

    Subtly ΔL L ~ 10-21 Proton: 10-15 m
  11. 26.
  12. 28.
  13. 29.
  14. 31.
  15. 32.
  16. 33.
  17. 34.
  18. 35.
  19. 36.
  20. 39.
  21. 41.

    V = 13.3 mag Kyle Slinker, UNC Chapel Hill Gravitational

    Waves: Listening to Black Holes Collide Dr. Bart Dunlap, UNC Chapel Hill The Bangs and Whimpers of Stellar Collisions Tue Nov. 7 Free, All Ages Welcome Fullsteam Brewery, Durham, NC 7-9 pm; Talks start at 7:30 pm Come Hear About Gravitational Waves Over Some High-Gravity Beers! @AoTTriangle facebook.com/aottriangle Nobel Approved!