Astr 2100 Descriptive Astronomy
Fall 2017 - Assignment 11
due Monday November 27th 2017

Need Help?

Assignment

Find the distances to the following
    1. Star A, with a parallax angle of 0.1 arc seconds
    2. Star B, with a parallax angle of 0.012 arc seconds
    3. The parallax angle for the star Arcturus
    4. Star C with a surface temperature of 4,500 K and a relative magnitude of 9
    5. Star D with a surface temperature of 20,000 K and a relative magnitude of 7.6
    6. Star E with a light curve whose maximum is at 450 nm and a relative magnitude of 5.9
    7. Star F with a light curve whose maximum is at 800 nm and a relative magnitude of 8
    8. A Cepheid variable G whose period is 8 days and whose relative magnitude is 11
    9. A Cepheid variable H whose period is 40 days and whose relative magnitude is 15
    10. A Type I supernova with a relative magnitude of 8.9 (Hint, first search for the absolute magnitude of a Type I supernova)

Back