Arcsecond

arcsec

Научна единица

The arcsecond is the smallest common unit of angular measurement, equal to 1/3600th of a degree, used for extremely precise angle measurements.

Бърз конвертор

1 arcsec = radian

Контролира формата на показване. Много малките или много големите числа ще бъдат показани в научна нотация (напр. 1,5e-6).

Arcsecond (″)

The arcsecond is the smallest common unit of angular measurement, equal to 1/3600th of a degree, used for extremely precise angle measurements.

Characteristics

  • 1 degree = 3600 arcseconds
  • 1 arcminute = 60 arcseconds
  • Symbol: ″ or ”
  • Also called second of arc
  • Used for ultra-precise measurements

Applications

  • Astronomical observations
  • Telescope and optical measurements
  • Precision surveying
  • Astrometry and star position measurements
  • High-precision engineering

Използвана в региони

Astronomy Scientific Optical