Representing the "butterfly" projection in FITS - projection code XPH
arXiv:1308.6647 · doi:10.1017/pasa.2013.30
Abstract
The "butterfly" projection is constructed as the polar layout of the HEALPix projection with (H,K) = (4,3). This short article formalises its representation in FITS.
2 pages, 1 figure. Accepted by Publications of the Astronomical Society of Australia (PASA) with open access