Using the H-R diagram (Figure 13-17), determine the effective temperature and the luminosity of a star whose
Question:
Using the H-R diagram (Figure 13-17), determine the effective temperature and the luminosity of a star whose mass is
(a) 0.3 MΘ and
(b) 3 MΘ.
(c) Compute the radius of each star.
(d) Determine their expected lifetimes relative to that of the Sun.
Figure 13-17
Transcribed Image Text:
Luminosity, L/L 106 104 10² 1 10-²- 10-4 O 40,000 Luminosity, L/L 102. 10- B White dwarfs 20,000 3 2 ²+ A 6300 Main sequence F G Red supergiants 5000 Temperature, K (b) Sun 10,000 Temperature, K Red giants 5000 K 6 4000 M 2500
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