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News on Seeking Gaia's Astrometric Core Solution with AGIS

In English

Författare

Summary, in English

We report on recent new developments around the Astrometric Global Iterative Solution system. This includes the availability of an efficient Conjugate Gradient solver and the Generic Astrometric Calibration scheme that had been proposed a while ago. The number of primary stars to be included in the core solution is now believed to be significantly higher than the 100 Million that served as baseline until now. Cloud computing services are being studied as a possible cost-effective alternative to running AGIS on dedicated computing hardware at ESAC during the operational phase.

Publiceringsår

2011

Språk

Engelska

Sidor

123-126

Publikation/Tidskrift/Serie

EAS Publications Series

Volym

45

Issue

GAIA: At the Frontiers of Astrometry

Dokumenttyp

Artikel i tidskrift

Förlag

EDP Sciences

Ämne

  • Astronomy, Astrophysics and Cosmology

Status

Published

ISBN/ISSN/Övrigt

  • ISSN: 1633-4760