Quick easy questionFormula for angular diameter?

Context: Undergrad
Thread starter Soylentgreen
Start date Feb 25, 2007
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Angular Diameter

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Soylentgreen

Thread starter
Feb 25, 2007

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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cesiumfrog

Feb 25, 2007

Can you draw a picture and do some trig?

russ_watters

Mentor

Insights Author

Feb 25, 2007

An arcmin is 1/60th of a degree and an arcesc is 1/60th of an arcmin. Can you draw a picture now...?

Quick easy questionFormula for angular diameter?

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