CV observers are often obliged to detect periodicities or important features in seemingly irregular light curves. The following three light curves are extracted from recent observations at Ouda Station, representing "typical" light curves under "typical" Japanese weather conditions (clouds, clouds, rain, .. (;_;) <- tears). Can you detect periodicities or other important features among them? Or can you guess the object name? If you have answers, please post them to vsnet-adm@kusastro.kyoto-u.ac.jp; the winner may be heartily awarded by the VSNET manager, Daisaku Nogami (?)

Question 1

Light curve 1

Question 2

Light curve 2

Question 3

Light curve 3


Question 4

How many nights did Daisaku Nogami (the Manager) observe in 1995?

Question 5

How long does Daisaku Nogami usually sleep per day?

Question 6

Where is Daisaku Nogami usually discovered to sleep? Select three most appropriate answers.

1) in trains or buses, 2) at office, 3) on library's sofa, 4) at PC's terminal,
5) while walking, 6) while talking, 7) while taking lectures, 8) on streets
8) somewhere else

New question!

What is the most important role of Daisaku in the VSNET community?

1) managing VSNET, 2) observing and writing papers, 3) sleep, 4) dancing on the Web, 5) nothing at all

If you have answers, please do not hesitate to mail to vsnet-adm@kusastro.kyoto-u.ac.jp.

For Training Your Brain

[problem 1] [problem 1000] [problem 2000] [problem 3000] [problem 4000] [problem 5000] [problem 6000] [problem 7000] [problem 8000] [problem 9000] [problem 10000] [problem 11000] [problem 12000] [problem 13000] [problem 14000] [problem 15000] [problem 16000] [problem 17000] [problem 18000] [problem 19000]

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