Absolute Magnitude Homework: Mass 3.5x Sun, Luminosity 42.9x Sun

  • Thread starter Thread starter brains_r_me
  • Start date Start date
  • Tags Tags
    Absolute Magnitude
Click For Summary
SUMMARY

The discussion centers on calculating the Absolute Magnitude of a star that is 42.9 times more luminous than the Sun and has a mass 3.5 times that of the Sun. Given that the Sun's Absolute Magnitude is 4.83, the relationship between luminosity and magnitude indicates that a change of one magnitude corresponds to a luminosity factor of approximately 2.5. Therefore, the Absolute Magnitude of the star can be determined using the formula for luminosity change in relation to magnitude.

PREREQUISITES
  • Understanding of Absolute Magnitude and its significance in astronomy
  • Familiarity with the relationship between luminosity and magnitude
  • Basic knowledge of stellar mass and its impact on luminosity
  • Proficiency in using logarithmic calculations for magnitude determination
NEXT STEPS
  • Research the formula for calculating Absolute Magnitude from luminosity
  • Study the concept of luminosity ratios in stellar classification
  • Learn about the implications of stellar mass on luminosity and life cycle
  • Explore the use of logarithmic functions in astronomical calculations
USEFUL FOR

Astronomy students, astrophysicists, and anyone interested in stellar properties and calculations related to Absolute Magnitude.

brains_r_me
Messages
1
Reaction score
0

Homework Statement


A star is 42.9 more luminous than our Sun and has a mass 3.5 times bigger than the Sun. Assuming our Sun has an Absolute Magnitude of 4.83 what would the Absolute Magnitude of this star be?


Homework Equations





The Attempt at a Solution

 
Physics news on Phys.org
What factor of luminosity change does plus one magnitude represent?
 

Similar threads

Estimating Milky Way Absolute Magnitude
  • · Replies 1 ·
Replies
1
Views
6K
Finding flux from apparent and absolute magnitude
  • · Replies 5 ·
Replies
5
Views
5K
Temperature of a spinning and non spinning asteroid
  • · Replies 1 ·
Replies
1
Views
2K
Mass Function of Stars in Globular Clusters - 600 M Sun
  • · Replies 14 ·
Replies
14
Views
3K
Undergrad Calculating Proportional Luminosity of Fictitious Star
  • · Replies 11 ·
Replies
11
Views
3K
Calculating distance to a star using magnitudes
  • · Replies 1 ·
Replies
1
Views
2K
A satellite, the sun and the satellites heat protector
  • · Replies 1 ·
Replies
1
Views
2K
Absolute Visual Magnitude of Stars
  • · Replies 1 ·
Replies
1
Views
1K
What Is the Absolute Magnitude of a 60W Lightbulb?
  • · Replies 5 ·
Replies
5
Views
4K
Finding a constant of proportionality from a mass luminosity relation
  • · Replies 10 ·
Replies
10
Views
3K