Crystallography of rare galactic honeycomb structure near supernova 1987a

Details Crystallography of rare galactic honeycomb structure near supernova 1987a Crystallography of rare galactic honeycomb structure near supernova 1987a

Oct 1994

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994ap%26ss.220...65n&link_type=abstract

Astrophysics and Space Science (ISSN 0004-640X), vol. 220, no. 1, p. 65-74

Statistics

2

Astronomical Models, Crystallography, Galactic Structure, Honeycomb Structures, Supernovae, Energy Distribution, Equations Of State, Kinematics, Statistics

Scientific paper

Near supernova 1987a, the rare honeycomb structure of 20-30 galactic bubbles measures 30 x 90 light years. Its remarkable regularity in bubble size suggests a single-event origin which may correlate with the nearby supernova. To test the honeycomb's regularity in shape and size, the formalism of statistical crystallography is developed here for bubble sideness. The standard size-shape relations (Lewis's law, Desch's law, and Aboav-Weaire's law) govern area, perimeter and nearest neighbor shapes. Taken together, they predict a highly non-equilibrium structure for the galactic honeycomb which evolves as a bimodal shape distribution without dominant bubble perimeter energy.

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