1. Given that Arcturus has an apparent magnitude of -0.06 and an Absolute magnitude of -0.30, calculate its distance in parsec in light-years.(adsbygoogle = window.adsbygoogle || []).push({});

Answer = 11.17 parsecs & 36.4 light years

2. Given that Sirius has an apparent magnitude of -1.47 and a distance of 2.67 parsecs, what is the Absolute magnitude?

Answer = 1.39

3. Assume that a star has an Absolute Magnitude of -11.7 and a distance of 17-5 parsecs from our solar system, what would be the apparent magnitude as seen from Earth?

Answer = 22.86

**Physics Forums | Science Articles, Homework Help, Discussion**

Dismiss Notice

Join Physics Forums Today!

The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

# Homework Help: Could someone check these answers?

**Physics Forums | Science Articles, Homework Help, Discussion**