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- University of ArizonaUS31 papers
- University of California, Los AngelesUS29 papers
- Center for Astrophysics Harvard & SmithsonianUS21 papers
- Centre National de la Recherche ScientifiqueFR18 papers
- University of California, BerkeleyUS15 papers
- California Institute of TechnologyUS13 papers
- Massachusetts Institute of TechnologyUS11 papers
- Harvard UniversityUS10 papers
- Ames Research CenterUS9 papers
- Université Côte d'AzurFR8 papers
- Search for Extraterrestrial IntelligenceUS7 papers
- Alfred P. Sloan FoundationUS6 papers
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astro-ph.IM2011
Astrometry history: Roemer and Gaia
Erik Høg
During the Hipparcos mission in September 1992, I presented a concept for using direct imaging on CCDs in scanning mode in a new and very powerful astrometric satellite, Roemer. Th…
astro-ph.IM2011
Astrometry during the past 100 years
Erik Høg
The reports from 2008: "Astrometry and optics during the past 2000 years", are available at arXiv and at my website: www.astro.ku.dk/~erik/History.pdf . Here are now further contri…