Seeing Science with Animation Alyssa A. Goodman Harvard University.

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Presentation transcript:

Seeing Science with Animation Alyssa A. Goodman Harvard University

Seeing Science with Animation Telling a Story Capturing a Moment

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

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

Numerical Simulation of Star Formation (Good) Bate, Bonnell & Bromm 2002 (UKAFF) MHD turbulence gives “t=0” conditions; Jeans mass=1 M sun 50 M sun, 0.38 pc, n avg =3 x 10 5 ptcls/cc forms ~50 objects T=10 K SPH, no B or  movie=1.4 free-fall times

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

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

Coordinate System Position (x) Position (y) Velocity along line of sight (v z )

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

“Spectral-Line” Mapping

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

Velocity from Spectroscopy Intensity "Velocity" Observed Spectrum All thanks to Doppler Telescope  Spectrometer

Intensity "Velocity" Observed Spectrum Telescope  Spectrometer All thanks to Doppler Velocity from Spectroscopy

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

IC 348

“Astronomical Medicine”

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

“Astronomical Medicine” After “Medical Treatment” Before “Medical Treatment”

Goal: Statistical Comparison of “Real” and “Synthesized” Star Formation Figure based on work of Padoan, Nordlund, Juvela, et al. Excerpt from realization used in Padoan & Goodman 2002.