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staedtler staedtler
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7 years ago
Suppose we observe the light curve of a totally eclipsing binary like that in Fig. 11-15 in Comins and Kaufmann, Discovering the Universe, 7th edition.  The brightness falls gradually from magnitude 5 to magnitude 9 and remains there for 12 hours before increasing gradually to magnitude 5.  Then, after a while, it drops gradually to magnitude 6, remains there for 8 hours, and returns to magnitude 5.  What conclusion can be drawn from this light curve?
A)   The star with the higher temperature is the smaller star.
B)   The star with the higher temperature is the larger star.
C)   This system is experiencing tidal distortion.
D)   The light curve is in error because we cannot have two minima of different durations.
Textbook 
Discovering the Universe

Discovering the Universe


Edition: 7th
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papachulopapachulo
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staedtler Author
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7 years ago
I really appreciate your help!
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