How Big Is That Star - Measuring Binary Stars Page 3
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4Name:
___________________________________________________________________________________
Date:
_ ___________
Class: ____________________________________________
X0748-‐676
Light curve for binary
s ystem X0748-‐676. Note that the plot is cut in the middle, to
make it fit. The missing middle section can assumed to be flat at about zero counts per
second.
Using the graph above, determine and record the following (be sure to include
units):
t
: __________________
t
: __________________
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The orbital velocity
o f X0748-‐676 is known to be 500 km/sec.
Using d=v t, determine the size of each star in X0748-‐676.
S how your
w ork below,
or on additional paper, if you need more room.
Write the size of each star in X0748-‐676
b elow (make sure to include units):
d
: __________________
d
: __________________
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