[Commits] [svn:einsteintoolkit] www/about/gallery/gw150914/ (Rev. 1590)

[barry.wardell at gmail.com]

User: barry.wardell
Date: 2016/06/15 09:43 AM

Modified:
 /about/gallery/gw150914/
  index.php

Log:
 gw150914: Add figure captions and restructure slightly

File Changes:

Directory: /about/gallery/gw150914/
===================================

File [modified]: index.php
Delta lines: +25 -10
===================================================================
--- about/gallery/gw150914/index.php	2016-06-15 14:43:01 UTC (rev 1589)
+++ about/gallery/gw150914/index.php	2016-06-15 14:43:19 UTC (rev 1590)
@@ -13,6 +13,9 @@
       "FinalSpin" => "0.69"
      );
   ?>
+<script type="text/javascript" async
+  src="https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-MML-AM_CHTML">
+</script>
 
 <p>On February 11, 2016, the <a href="http://www.ligo.org/">LIGO collaboration</a> <a
 href="http://www.ligo.org/news/detection-press-release.pdf">announced</a> that they had achieved
@@ -72,39 +75,51 @@
   </table>
 
 
-<h3>Tutorials and data</h3>
-<h4>Tutorials</h4>
+<h3>Tutorials</h3>
   <ul>
     <li><a href="compile_and_run.php">Compile and run</a>:
       Compile the code and run the simulation</li>
-    <li><a href="https://bitbucket.org/barrywardell/gw150914sim/wiki/Analysis%20tutorial">Analysis</a>: Analyse the results using SimulationTools for Mathematica (<span style="background-color: yellow">unfinished</span>)</li>
-    <li><a href="https://bitbucket.org/barrywardell/gw150914sim/wiki/Visualising%20the%20spacetime%20with%20VisIt">Visualisation</a>: Visualise the data using VisIt (<span style="background-color: yellow">unfinished</span>)</li>
+    <li><a href="GW150914.nb">Analysis</a>: Analyse the results using SimulationTools for Mathematica</li>
+    <li><a href="https://docs.einsteintoolkit.org/et-docs/GW150914_VisIt_Tutorial">Visualisation</a>: Visualise the data using VisIt</li>
   </ul>
 
-<h4>Simulation data</h3>
+<h3>Simulation data</h3>
 <ul>
-  <li><a href="GW150914_32.tar.gz">Lightweight simulation data</a> (500MB)  (<span style="background-color: yellow">not yet uploaded</span>)</li>
-  <li>Full simulation data (available on request)  (<span style="background-color: yellow">to whom?</span>)</li>
+  <li><a href="GW150914_32.tar.gz">Lightweight simulation data</a> (500MB)</li>
+  <li>Full simulation data (available on request)</li>
 </ul>
 
 <h3>Images and movies</h3>
 
 <h4>Horizons</h4>
+
 <a href="horizons.png"><img src="horizons.png" alt="BH horizons" width="310" height="300"/></a>
+<p class="caption">Apparent horizons of the orbiting black holes.</p>
 
 <h4>Horizon coordinate trajectories</h4>
 <a href="trajectories.png"><img src="trajectories_sm.png" srcset="trajectories.png 2x" alt="BH trajectories" width="242" height="236"/></a>
+<p class="caption">Coordinate tracks of the centroids of the apparent horizons showing inspiral of the binary due to emission of energy and angular momentum in gravitational waves</p>
 
+<h4>Gravitational waveform</h4>
+<a href="waveform.png"><img src="waveform_sm.png" srcset="waveform.png 2x" alt="h_+^{2,2} at r=500M as a function of retarded time" width="542" height="188"/></a>
+<p class="caption">The l=2, m=2 spherical harmonic mode of the gravitational wave strain.  The strain is what is measured by LIGO.</p>
+
 <h4>Curvature scalars</h4>
 <a href="ReI.png"><img src="ReI_sm.png" srcset="ReI_sm_2x.png 2x" alt="R_{abcd} R^{abcd}" width="357" height="300"/></a>
+<p class="caption">The scalar curvature invariant `R_abcd R^abcd` - known as the Kretschmann scalar - computed from the
+square of the Riemann tensor.</p>
 <a href="ImI.png"><img src="ImI_sm.png" srcset="ImI_sm_2x.png 2x" alt="R^*_{abcd} R^{abcd}" width="342" height="300"/></a>
+<p class="caption">The dual scalar curvature invariant `R_abcd ^* R^abcd` - known as the Chern-Pontryagin scalar - computed from the
+product of the Riemann tensor and its dual.</p>
+
 <a href="RePsi4.png"><img src="RePsi4_sm.png" srcset="RePsi4_sm_2x.png 2x" alt="Re(Psi_4)" width="299" height="300"/></a>
+<p class="caption">The real part of `Psi_4`, the component of the Riemann tensor representing outgoing gravitational radiation.</p>
 
 <h4>Gravitational waves</h4>
 <a href="Strain.png"><img src="Strain_sm.png" srcset="Strain_sm_2x.png 2x" alt="h_+ at t=700M" width="400" height="300"/></a>
+<p class="caption">Animation of the gravitational waves emitted from the binary.</p>
+
 <iframe width="560" height="315" src="https://www.youtube.com/embed/videoseries?list=PLy_i7YBcuUSgp3GMUkmVqiWuP-jE5Is3f&rel=0" frameborder="0" allowfullscreen></iframe>
+<p class="caption">Animation of the gravitational waves emitted from the binary.</p>
 
-<h4>Gravitational waveform</h4>
-<a href="waveform.png"><img src="waveform_sm.png" srcset="waveform.png 2x" alt="h_+^{2,2} at r=500M as a function of retarded time" width="542" height="188"/></a>
-
 <?php include_once($_SERVER['DOCUMENT_ROOT'].'/global/footer.php');?>