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Unformatted text preview: celestial bodies of known magnitude. Pictures were used to determine the galaxy type. After this, calculations were done to find different values. This experiment is pertinent because it shows how astronomers might use field observations to prove or disprove Hubble’s law. It also helps show how to calculate and/or find the telescopic magnitude, galactic type, magnitude difference, and distance. There may possibly be two sources of error for this experiment. One is the measuring of the visual magnitude. If this measurement is wrong, it necessarily makes the rest of the data collected wrong also. The other possible source of error in the calculation of the Hubble constant is choosing the wrong graph to find the slope. If the wrong graph were to be used to find the constant, the slope would be completely wrong....
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This note was uploaded on 03/30/2008 for the course ASTR 101 taught by Professor Christiansen during the Fall '08 term at UNC.
 Fall '08
 Christiansen
 Astronomy

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