Titlebook: Reports on Astronomy; Jacqueline Bergeron (General Secretary of the Unio Book 1994 Springer Science+Business Media Dordrecht 1994 Astromet

自由職業(yè)者

Oafishness

Expertise

978-94-010-4481-3Springer Science+Business Media Dordrecht 1994

NIB

frugal

https://doi.org/10.1007/978-94-011-1100-3Astrometry; astronomy; astrophysics; instruments; positional astronomy

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Positional Astronomy,The scope of this report embraces activities in wide-angle optical astrometry, and specifically excludes photographic astrometry, which is the province of Commission 24, and radio-astrometry, which is the province of Commission 40.

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高腳酒杯

monochromatic

未開化

Photographic Astrometry,ter this date problems with gyroscopes became serious but successful data collection until March 18/1993 was still possible. Due to additional serious hardware failures the observational phase of the Hipparcos mission will be terminated soon.