The bright star Sirius A has a diameter 1.6 times thesuns and surface temperature 9600

Chapter 3, Problem 67

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The bright star Sirius A has a diameter 1.6 times thesuns and surface temperature 9600 K. (a) What is thepeak wavelength of radiation emitted from the sur-face? (Note: Sirius has a distinctive blue tint whenviewed with the naked eye.) (b) Find the net poweroutput from the surface of Sirius A and compare withthat from the sun.

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