Foundations of Astronomy (MindTap Course List)
14th Edition
ISBN: 9781337399920
Author: Michael A. Seeds, Dana Backman
Publisher: Cengage Learning
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Chapter 6, Problem 18RQ
To determine
Which wavelength band observed when you looking for exploding stars and give the reason for choosing such a wavelength.
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If you see a “violet-hot” star, you can be certain its peak intensity is in the ultraviolet range. Why is this?
If a star has a peak wavelength of 450 nm (violet).
What is the corresponding frequency of this wavelength?
What is the corresponding temperature?
What is the photon energy for a single photon of light (450 nm)?
(a) The colour temperature can be determined from two magnitudes corresponding to
two different wavelengths. Show that:
7000 K
Te
(B-V)+0.47
The wavelengths ofthe B and V bands are 440 nm and 548 nm, respectively, and we
assume that B=V for stars of the spectral class A0, the colour temperature of which
is about 15000 K°. (Take constant value - 0.73 and e-2.718).
Chapter 6 Solutions
Foundations of Astronomy (MindTap Course List)
Ch. 6 - Does light include radio waves? Explain your...Ch. 6 - Prob. 2RQCh. 6 - Prob. 3RQCh. 6 - Prob. 4RQCh. 6 - Does red light have a higher or lower energy than...Ch. 6 - Prob. 6RQCh. 6 - Prob. 7RQCh. 6 - Prob. 8RQCh. 6 - Prob. 9RQCh. 6 - Prob. 10RQ
Ch. 6 - Prob. 11RQCh. 6 - Prob. 12RQCh. 6 - Prob. 13RQCh. 6 - Prob. 14RQCh. 6 - Prob. 15RQCh. 6 - Prob. 16RQCh. 6 - Prob. 17RQCh. 6 - Prob. 18RQCh. 6 - Prob. 19RQCh. 6 - What is the role of prisms and gratings in...Ch. 6 - Prob. 21RQCh. 6 - Prob. 22RQCh. 6 - Prob. 23RQCh. 6 - Prob. 24RQCh. 6 - Plastic bags have a thickness about 0.001 mm. How...Ch. 6 - What is the wavelength of radio waves transmitted...Ch. 6 - What is the frequency and wavelength of an FM...Ch. 6 - Prob. 4PCh. 6 - Prob. 5PCh. 6 - Prob. 6PCh. 6 - Prob. 7PCh. 6 - Prob. 8PCh. 6 - In general, does a telescope resolve a close...Ch. 6 - Prob. 10PCh. 6 - Prob. 11PCh. 6 - Prob. 12PCh. 6 - Prob. 13PCh. 6 - Prob. 14PCh. 6 - Prob. 15PCh. 6 - Prob. 1SOPCh. 6 - Prob. 2SOPCh. 6 - Prob. 2LTLCh. 6 - Prob. 3LTLCh. 6 - Did the magnification, resolving, or...Ch. 6 - Explain what is meant by intensity in the...Ch. 6 - Prob. 6LTLCh. 6 - The star images in this photo are tiny disks, but...Ch. 6 - Prob. 8LTL
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- How do I figure out the wavelength? so i can preceed with the questionarrow_forwardQuestion-2: KNOWN: Various surface temperatures Hot Cool Surface Sun Tungsten (2500K) metal Skin metal (5800K) (1500K) (305K) (60K) FIND: (a) Wavelength corresponding to maximum emission for each surface, (b) Fraction of solar emission in UV, VIS and IR portions of the spectrum. Spectrum Wavelength limits, um UV 0.01 0.4 VIS 0.4 0.7 IR 0.7 100 ASSUMPTIONS: (1) Spectral distribution of emission from each surface is approximately that of a blackbody, (2) The sun emits as a blackbody at 5800 K.arrow_forwardWhat can you say about the x-ray spectra?arrow_forward
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