5+(m-M) 9. Use d = 1= 10 ^ A very distant star has an apparent magnitude of 24.4 and an absolute magnitude of 5 -3.7. Calculate the star's distance in: а. ре b. LY 10-13. Use the formula d=1/p where d = distance in parsecs and p= parallax angle in arcseconds 10. What is the distance to a star (in pc) if it has a parallax of 0.0245 arcsec? 11. What is the distance to a star (in LY) if it has a parallax of 0.0135 arcsec? 12. What is the parallax of a star at a distance of 195 LY? 13. What is the parallax of a star at a distance of 85 pc?

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