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HEALPix was originally devised in early 1997 by Krzysztof M.
Górski at the
Theoretical Astrophysics Center (TAC)
in Copenhagen, Denmark (he is currently at JPL). Early development
of the HEALPix concept and initial implementation was made in
the spring of 1997 in collaborative work of K.M. Górski
with Eric Hivon (currently at the
Institut d'Astrophysique de Paris).
Benjamin D. Wandelt, then at the TAC (now at the
University of Illinois at Urbana-Champaign),
has contributed critically to the further development of HEALPix
and related mathematical methods. Frode K. Hansen, then at the
TAC (now at
Universita Roma II),
Anthony J. Banday
(Max Planck Institut für Astrophysik (MPA),
Garching, Germany)
and Matthias Bartelmann (then at MPA, now at
Institut für Theoretische Astrophysik,
Heidelberg, Germany)
provided invaluable input required to make possible
the first large release of the HEALPix software (Version 1.10).
The previous releases of the HEALPix software (Versions 1.20 and 2.0) and the current one (Version 2.1) benefited
from the continuing dedicated effort of Eric Hivon, Martin
Reinecke (MPA), and Anthony J. Banday, the work of William O'Mullane
(ESAC),
Hans Kristian Eriksen
(Universitetet i Oslo),
Snorre Boasson
(NTNU),
David Larson (JHU),
Emmanuel Joliet (ESAC),
Paddy Leahy (Manchester University),
Graca Rocha (IPAC),
and numerous contributions
made by HEALPix users (see the
Acknowledgements).
The active support of HEALPix currently involves the following people:
K.M. Górski (JPL/Caltech),
E. Hivon
(IAP),
M. Reinecke (MPA-Garching), and
A.J. Banday
(MPA-Garching).
This effort is not supported by any dedicated funds, and depends
entirely on the voluntary collaboration of the mentioned individuals.
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