Simultaneous analysis of large INTEGRAL/SPI datasets: optimizing the computation of the solution and its variance using sparse matrix algorithms

Nowadays, analyzing and reducing the ever larger astronomical datasets is becoming a crucial challenge, especially for long cumulated observation times. The INTEGRAL/SPI X-gamma-ray spectrometer is an instrument for which it is essential to process many exposures at the same time in order to increas...

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Vydané v:	arXiv.org
Hlavní autori:	Bouchet, L, Amestoy, P, Buttari, A, F -H Rouet, Chauvin, M
Médium:	Paper
Jazyk:	English
Vydavateľské údaje:	Ithaca Cornell University Library, arXiv.org 24.05.2013
Predmet:	Algorithms Celestial bodies Computation Computer memory Data processing Data reduction Datasets Emission analysis Galaxies Gamma rays Integrals Linear systems Matrix methods Mumps Sparsity Transfer functions
ISSN:	2331-8422
On-line prístup:	Získať plný text
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