Quick easy questionFormula for angular diameter?

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    Angular Diameter
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SUMMARY

The equation for angular diameter in relation to an object's distance and diameter is essential for accurate astronomical measurements. Angular diameter is expressed in arc seconds, where one arc minute equals 1/60th of a degree and one arc second equals 1/60th of an arc minute. The formula can be derived using basic trigonometry, which involves visualizing the object and its distance. Understanding this relationship is crucial for astronomers and astrophysics enthusiasts.

PREREQUISITES
  • Basic trigonometry concepts
  • Understanding of angular measurements (degrees, arc minutes, arc seconds)
  • Familiarity with astronomical terminology
  • Knowledge of distance measurement in astronomy
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  • Research the formula for angular diameter in detail
  • Explore trigonometric functions used in astronomy
  • Learn about the conversion between degrees, arc minutes, and arc seconds
  • Study applications of angular diameter in astrophysics
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Astronomy students, astrophysics researchers, and anyone interested in understanding angular measurements in celestial observations.

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i am looking for the equation for angular diameter in relation to an objects distance and diameter.
i need it expressed in arc seconds, not radians.

anyone know it?
 
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Can you draw a picture and do some trig?
 
An arcmin is 1/60th of a degree and an arcesc is 1/60th of an arcmin. Can you draw a picture now...?
 

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