suppose that two stars are separated in the sky by 0.1 arcsecond. if you look at them with a telescope that has an angular resolution of 0.5 arcsecond, what will you see?

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15-11-2022
Physics

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suppose that two stars are separated in the sky by 0.1 arcsecond. if you look at them with a telescope that has an angular resolution of 0.5 arcsecond, what will you see?

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rekharaypriti8910 rekharaypriti8910 · Answer 1 · 2022-11-18T09:24:41+01:00

Only one star will be visible. Two stars are 0.1 arcseconds apart, and you use a telescope with a 1 arcsecond angular resolution to take pictures of them.

At radio frequencies, light pollution is more severe than at visible wavelengths. To improve their effectiveness, modern telescopes employ cutting-edge technology. Another slim triangular relation, b = s/fe, provides the angle as the apparent angular size of the pictures as seen via a magnifying lens. Just 206 * (pixel size) / pixels make up the scale (focal length). If your 30 mm guide scope is f/4, then the focal length would be 120 mm. The pixel scale for a typical guide camera, such as the ASI120MM, which has 3.8u pixels, is 206 * 3.8 / 130 = 6.0 arcseconds/pixel.

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Deven88 Deven88 · Answer 2 · 2022-12-23T13:47:47+01:00

Answer: There'll be just one star to see. You use a telescope with a 1-arcsecond angular resolution to snap photos of two stars that are 0.1 arcseconds apart.

Explanation: Compared to visible wavelengths, light pollution is worse at radio frequencies. The most recent technology is used by modern telescopes to increase their efficacy. The angle is given by another thin triangle relation, b = s/fe, which also gives the apparent angular size of the images when viewed via a magnifying glass. The scale is made up of only 206 * (pixel size) / pixels (focal length). The focal length would be 120 mm if your 30 mm guide scope were to be set at f/4. The ASI120MM guiding camera, which has 3.8u pixels, has a pixel scale of 206 * 3.8 / 130, or 6.0 arcseconds/pixel.

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