Question

The star Rasalhague has a parallax angle of 0.0.0698''. What is its distance in parsecs?

The star Rasalhague has a parallax angle of 0.0.0698''. What is its distance in parsecs?

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Answer #1

Parallax is inversly porpotional to distance .

Closer stars have larger parallax while distant star have smaller parallax.

Mathematically this realtion can be expressed as

d= \frac{1}{p}

0,698

= 1.43pc-

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The star Rasalhague has a parallax angle of 0.0.0698''. What is its distance in parsecs?
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