Winter HW3 Description: HR Diagrams
In this homework you will work on understanding the HR Diagram, the figure below will be useful
in answering several of the questions. Remember, stars are not uniformly spread out over the
entire H-R diagram. Rather, they fall into several clear groups, each located in a different part of
the diagram.
Region 1 Region 6
Region 3
Region 4
Region 5
Region 2
HR DIAGRAM FIGURE: USE THIS IMAGE FOR YOUR ASSIGNMENT
Name_____________________________-
Student Number_____________________________
1. [50 pts] Use the figure to answer the following questions:
a. What star region on the figure is nearest to our Sun’s location?
b. The blue parallel lines are most likely lines of constant _________
c. What star region is the most LUMINOUS? In case of a tie, list all objects
In this homework you will work on understanding the HR Diagram, the figure below will be useful
in answering several of the questions. Remember, stars are not uniformly spread out over the
entire H-R diagram. Rather, they fall into several clear groups, each located in a different part of
the diagram.
Region 1 Region 6
Region 3
Region 4
Region 5
Region 2
HR DIAGRAM FIGURE: USE THIS IMAGE FOR YOUR ASSIGNMENT
Name_____________________________-
Student Number_____________________________
1. [50 pts] Use the figure to answer the following questions:
a. What star region on the figure is nearest to our Sun’s location?
b. The blue parallel lines are most likely lines of constant _________
c. What star region is the most LUMINOUS? In case of a tie, list all objects