7. The star 9 Sagittarii is a main sequence star with spectral type 05. Its apparent magnitude is mv= 6.0. What is the distance to 9 Sagittarii (ignoring any extinction by dust)?
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Q: 06
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Q: mass–luminosity relation
A: The Answer to the above statement can be outlined as follows:-
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A: Required : Correct option.
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A: Required : Correct statements .
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