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HEALPix Alchemy: Fast All-Sky Geometry and Image Arithmetic in a Relational Database for Multimessenger Astronomy Brokers

  • Authors: Leo P. Singer, B. Parazin, Michael W. Coughlin, Joshua S. Bloom, Arien Crellin-Quick, Daniel A. Goldstein, Stéfan van der Walt

Leo P. Singer et al 2022 The Astronomical Journal 163 .

  • Provider: AAS Journals

Caption: Figure 2.

Illustration of the nested nature of HEALPix. Level 0 divides the unit sphere into 12 equal-area tiles. In each subsequent level, every tile is divided equally into four new tiles.

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