Neat map.
The page's link to the journal article is broken. The abstract can be viewed on NASA's ADS[0] or directly via the DOI link[1] (which connects to the current home of the Astrophysical Journal).
[0] https://ui.adsabs.harvard.edu/abs/2005ApJ...624..463G/abstra...
[1] https://ui.adsabs.harvard.edu/link_gateway/2005ApJ...624..46...