How Big Is That Star - Measuring Binary Stars Page 2
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4Name:
___________________________________________________________________________________
Date:
_ ___________
Class: ____________________________________________
H Cas
Work through this example along with your teacher.
Using
the
g raph
to the
right,
determine
and record
the
fol
low
ing
( be sure
t o
i nclude
units
):
t
: __________________
1
t
: __________________
2
The
orb
ita
l vel
ocit
y
o f
HT Cas
is know
n
t
o
b
e
390
km/sec.
Light curve for binary
s ystem HT Cas.
Using d=v t, determine the size of each star in HT Cas.
S how
your work
b elow, or on
additional
p ape
r,
i f you
n eed more room.
Write the size of each star in HT Cas
b elow (make sure to include units):
d
: __________________
d
: __________________
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