University of Heidelberg

Selected documents and papers:


Sparseness structure of the Gaia least-square problem and the (non-)feasibility of a direct method
A. Bombrun, 2008-02-08, GAIA-C3-TN-ARI-APB-001 PDF


"Local plane coordinates for the detailed analysis of complex Gaia sources"
L. Lindegren, U. Bastian, 2006-06-28, GAIA-LL-061-2, PDF


"Reference Systems, Conventions and Notations for Gaia"
U. Bastian, 2007-06-15, GAIA-CA-SP-ARI-BAS-003-06, Version 6.0. PDF


Source Identifiers - Assignment and Usage throughout DPAC, Ulrich Bastian, June 6, 2007 (pdf).


Results of the Ring Solution, Sonja Hirte, Hans-Heinrich Bernstein, Ulrich Bastian, May 11, 2007 (pdf 130 MB!) .


Extended geometric calibration model for Gaia: U. Bastian, May 3, 2006 pdf.


"Gaia - Taking the Galactic Census" , Anthony Brown, June 23, 2006. Gaia information sheet to be handed out at the Gaia session at IAU General Assembly, Prague, 14. - 25. August 2006 (pdf).


"Results from ODIS experiments and consequences for GIS" , Stefan Jordan, Helmut Lenhardt, Ulrich Bastian, July 25, 2005, pdf"


"Astrometric meaning and interpretation of high-precision time delay integration CCD data", U. Bastian, M. Biermann, accepted for publication in "Astronomy and Astrophysics". pdf


Four Paris conference papers from ARI:
- "Astrometric limits set by surface structure, binarity, microlensing"
- "Gaia First Look"
- "A Bayesian classification algorithm for Gaia"
- "Weighing stellar black holes with Gaia"


"Astrometric limits set by surface structure, binarity, microlensing" , extendend version of the talk given by U. Bastian at the conference "The Three-dimensional Universe with Gaia", Paris, Oct 5, 2004"
powerpoint , pdf , pdf-printer-friendly , movie1 , movie2 , movie3


"Gaia First Look: Description and Status Report"
Talk given by S. Jordan at the conference "The Three-dimensional Universe with Gaia", Paris, 4-7 Oct 2004. pdf , powerpoint

German versions of the ' 'Little Books of Gaia'' (translated by W. Hofmann, ARI) can now be found here


Complete list of Gaia notes and documents produced by the ARI and LSW group

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