Gauss- Legendre Sky Pixelization

for CMB analysis

A. G. Doroshkevich 1, P. D. Naselsky 2, O. V. Verkhodanov 3, D. I. Novikov 4,1, V. I. Turchaninov 5,
I. D. Novikov 1,2, P. R. Christensen 2 , L.-Y. Chiang 6

1. Astro Space Center of Lebedev Physical Institute, Profsoyuznaya 84/32, Moscow, Russia
2. Niels Bohr Institute, Blegdamsvej 17, DK-2100 Copenhagen, Denmark  
3. Special Astrophysical Observatory, Nizhnij Arkhyz, Karachaj-Cherkesia, 369167, Russia  
4. Astrophysics, the Blackett Laboratory, Imperial College, London SW7 2AZ, UK
5. Keldysh Institute of Applied Math, Russian Academy of Science, 125047 Moscow, Russia
6. Institute of Astronomy and Astrophysics, Academia Sinica, P.O.Box 23-141, Taipei 10617, Taiwan, Republic of China

GLESP is a pixelization scheme for the cosmic microwave background (CMB) radiation maps. This scheme is based on the Gauss-Legendre polynomials zeros and allows one to create strict orthogonal expansion of the map. The detail for the GLESP idea can be seen in "Gauss-Legendre Sky Pixelization (GLESP) scheme for CMB maps", International Journal of Modern Physics D, Vol. 14, No. 2 (2005), pp275-290 (astro-ph/0305537). The current GLESP version is 2.0 and includes polarization procedures based on the formalisme described in the appendix of Doroshkevich et al. (arXiv:0904.2517). For comments and bugs please send email to : glesp at nbi dot dk .