Definition of Constant of aberration. Meaning of Constant of aberration. Synonyms of Constant of aberration

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Definition of Constant of aberration

Constant of aberration
Constant Con"stant, n. 1. (Astron.) A number whose value, when ascertained (as by observation) and substituted in a general mathematical formula expressing an astronomical law, completely determines that law and enables predictions to be made of its effect in particular cases. 2. (Physics) A number expressing some property or condition of a substance or of an instrument of precision; as, the dielectric constant of quartz; the collimation constant of a transit instrument. Aberration constant, or Constant of aberration (Astron.), a number which by substitution in the general formula for aberration enables a prediction to be made of the effect of aberration on a star anywhere situated. Its value is 20[sec].47. Constant of integration (Math.), an undetermined constant added to every result of integration. Gravitation constant (Physics), the acceleration per unit of time produced by the attraction of a unit of mass at unit distance. When this is known the acceleration produced at any distance can be calculated. Solar constant (Astron.), the quantity of heat received by the earth from the sun in a unit of time. It is, on the C. G. S. system, 0.0417 small calories per square centimeter per second. --Young.

Meaning of Constant of aberration from wikipedia

- In astronomy, aberration (also referred to as astronomical aberration, stellar aberration, or velocity aberration) is a phenomenon where celestial objects...
- parallax of 8.6″. Karl Rudolph Powalky had made an estimate of 8.83″ in 1864. Another method involved determining the constant of aberration. Simon Newcomb...
- In optics, aberration is a property of optical systems, such as lenses, that causes light to be spread out over some region of space rather than focused...
- An astronomical constant is any of several physical constants used in astronomy. Formal sets of constants, along with recommended values, have been defined...
- of the constant of aberration, and computed the orbital parameters of asteroids and comets. Chandler was awarded the Gold Medal of the Royal Astronomical...
- number of specific optical aberrations. The optical quality of the eye is limited by optical aberrations, diffraction and scatter. Correction of spherocylindrical...
- been attributed to some form of chromatic aberration. Chromatic aberration results from the differential refraction of light depending on its wavelength...
- whole new consistent set of astronomical constants recommended for reduction of astronomical observations, and for com****tion of ephemerides. It su****ded...
- determination of the constant of aberration. In 1905 he returned to the Naval Observatory, to continue his work in research using the meridian circle of the U...
- micrometricae. Struve carefully measured the "constant of aberration" in 1843. He was also the first to measure the parallax of the star Vega, although Friedrich...