6) Estimate the distance to the star with absolute magnitude -5.6 and apparent magnitude 0.75

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6) Estimate the distance to the star with absolute magnitude -5.6 and apparent magnitude 0.75
Transcribed Image Text:6) Estimate the distance to the star with absolute magnitude -5.6 and apparent magnitude 0.75
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Concept and Principle:
  • The apparent magnitude of a celestial object is the brightness measured by an observer at a specific distance from the object. The absolute magnitude is the magnitude of a celestial object if it was observed from a distance of 10 parsecs. 

 

  • By knowing the magnitudes it is possible for us to estimate the distance to the given star. This relation is called the distance magnitude relation. It is given by,

d=10(mM+55)

Here d is the distance to the celestial object, m is the apparent magnitude, and M is the absolute magnitude.

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