mensual aberration

mensual aberration

A component of stellar aberration caused by the revolution of the Earth and Moon about their common center of mass. It is approximately equal to 0". 011 cos H_M, where H_M is the hour angle of the Moon. This is a small quantity, taken into account when determining the deflection of the vertical from astronomical observations.

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Category: Mapping science
Company: American Congress on Surveying & Mapping
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