Christian Hirt
Abstract
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Context.Anomalous refraction is considered to be a limiting factor for ground-based astrometry in general and astrogeodetic observations in particular. Typical characteristics of anomalous refraction are basically known by means of spot-check-data, however the fluctuation is rather little studied.
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Context.Anomalous refraction is considered to be a limiting factor for ground-based astrometry in general and astrogeodetic observations in particular. Typical characteristics of anomalous refraction are basically known by means of spot-check-data, however the fluctuation is rather little studied.
Key concepts: Physics, Astrometry, Refraction, Zenith, Atmospheric refraction, Context (archaeology), Limiting, Astrophysics