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Exploring Stellar Processes Through Animation: Understanding Star Formation and Spectroscopy

"Seeing Science with Animation" by Alyssa A. Goodman from Harvard University delves into the story of star formation using visual explanations and animations. The work captures key moments in the evolution of celestial processes, analyzing how non-sequential frames relate critically to understanding phenomena like MHD turbulence and Jeans mass. This innovative approach allows for an appreciation of complex astronomical concepts, enhancing both education and research in the field. The interplay between visual storytelling and scientific inquiry reveals the beauty of the universe's creation.

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Exploring Stellar Processes Through Animation: Understanding Star Formation and Spectroscopy

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  1. Seeing SciencewithAnimation Alyssa A. Goodman Harvard University

  2. Seeing Science with Animation Telling a Story Capturing a Moment

  3. “Speeding Young Star”(The Moment) Goodman & Arce 2004 Figure 1 PV Ceph: The Story

  4. Good Stories(a.k.a.) “Visual Explanations” Evolutionof processes in time “Tracking” Findingkey moments Ill Studying processes where non-sequential frames are critically related e.g. 2-D slices of 3-D data, shown in time Animation for Good, and for Ill

  5. Numerical Simulation of Star Formation (Good) • MHD turbulence gives “t=0” conditions; Jeans mass=1 Msun • 50 Msun, 0.38 pc, navg=3 x 105 ptcls/cc • forms ~50 objects • T=10 K • SPH, no B or L, G • movie=1.4 free-fall times Bate, Bonnell & Bromm 2002 (UKAFF)

  6. Good Stories(a.k.a.) “Visual Explanations” Evolutionof processes in time “Tracking” Findingkey moments Ill Studying processes where non-sequential frames are critically related e.g. 2-D slices of 3-D data, shown in time Animation for Good & Ill

  7. COMPLETE/FCRAO W(13CO) Barnard’s Perseus Animation frames are velocity “slices,” NOT time steps (Ill)

  8. Coordinate System Velocityalong line of sight (vz) Position (y) Position(x)

  9. 3D Slicer Demo IIC contacts: Michael Halle & Ron Kikinis

  10. Extra Slides

  11. “Spectral-Line” Mapping

  12. “Spectral-Line” Mapping Radio Spectral-Line Survey Alves, Lada & Lada 1999

  13. VelocityfromSpectroscopy Observed Spectrum Telescope  Spectrometer 1.5 1.0 Intensity 0.5 0.0 -0.5 All thanks toDoppler 100 150 200 250 300 350 400 "Velocity"

  14. VelocityfromSpectroscopy Observed Spectrum Telescope  Spectrometer 1.5 1.0 Intensity 0.5 0.0 -0.5 All thanks toDoppler 100 150 200 250 300 350 400 "Velocity"

  15. “Astronomical Medicine” Excerpts from Junior Thesis of Michelle Borkin (Harvard College); IIC Contacts: AG (FAS) & Michael Halle (HMS/BWH/SPL)

  16. IC 348 IC 348

  17. “Astronomical Medicine”

  18. “Astronomical Medicine” Excerpts from Junior Thesis of Michelle Borkin (Harvard College); IIC Contacts: AG (FAS) & Michael Halle (HMS/BWH/SPL)

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