Representing the `Butterfly' Projection in FITS-Projection Code <monospace>XPH</monospace>
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.
- Publication:
-
Publications of the Astronomical Society of Australia
- Pub Date:
- October 2013
- DOI:
- 10.1017/pasa.2013.30
- arXiv:
- arXiv:1308.6647
- Bibcode:
- 2013PASA...30...50C
- Keywords:
-
- astronomical databases: miscellaneous;
- cosmic background radiation;
- cosmology: observations;
- methods: data analysis;
- methods: statistical;
- techniques: image processing;
- Astrophysics - Instrumentation and Methods for Astrophysics;
- Astrophysics - Cosmology and Nongalactic Astrophysics
- E-Print:
- 2 pages, 1 figure. Accepted by Publications of the Astronomical Society of Australia (PASA) with open access