Loose Leaf For Explorations: Introduction To Astronomy
9th Edition
ISBN: 9781260432145
Author: Thomas T Arny, Stephen E Schneider Professor
Publisher: McGraw-Hill Education
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Question
Chapter 13, Problem 6QFR
To determine
The measure of a star’s magnitude and whether a star of magnitude
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Consider two identical stars, A and B. Star B is 10 times farther away than star A. What is the difference
in magnitudes between the two stars?
Please answer them:)
Hey! As you can see, there is an image wherein the question is cut of. Here is the question:
Which of the following statements is CORRECT in terms of the star's absolute magnitude??
15: A star has a parallax angle of 0.0270 arcseconds and an apparent magnitude of 4.641. What is the distance to this star? Answer: 37
16: What is the absolute magnitude of this star? Answer:1.8
17: Is this star more or less luminous than the Sun? Answer "M" for More luminous or "L" for Less luminous. (HINT: the absolute magnitude of the Sun is 4.8) Answer: M
18: What is the luminosity of this star? (HINT: The luminosity of the Sun is 3.85×1026 W.)
Please answer question #18, #15-17 are correct, the photos provide the work for them.
Chapter 13 Solutions
Loose Leaf For Explorations: Introduction To Astronomy
Ch. 13 - Prob. 1QFRCh. 13 - Prob. 2QFRCh. 13 - Prob. 3QFRCh. 13 - Prob. 4QFRCh. 13 - Prob. 5QFRCh. 13 - Prob. 6QFRCh. 13 - Prob. 7QFRCh. 13 - Prob. 8QFRCh. 13 - Prob. 9QFRCh. 13 - Prob. 10QFR
Ch. 13 - Prob. 11QFRCh. 13 - Prob. 12QFRCh. 13 - Prob. 13QFRCh. 13 - Prob. 14QFRCh. 13 - Prob. 15QFRCh. 13 - Prob. 16QFRCh. 13 - Prob. 17QFRCh. 13 - Prob. 18QFRCh. 13 - Prob. 19QFRCh. 13 - Prob. 20QFRCh. 13 - Prob. 1TQCh. 13 - Would it be easier to measure a star's parallax...Ch. 13 - Prob. 3TQCh. 13 - Prob. 4TQCh. 13 - Prob. 5TQCh. 13 - Prob. 6TQCh. 13 - Prob. 7TQCh. 13 - Prob. 8TQCh. 13 - Prob. 9TQCh. 13 - Prob. 10TQCh. 13 - Prob. 1PCh. 13 - Prob. 2PCh. 13 - Prob. 3PCh. 13 - Prob. 5PCh. 13 - Prob. 6PCh. 13 - Prob. 7PCh. 13 - Prob. 8PCh. 13 - Prob. 9PCh. 13 - Prob. 10PCh. 13 - Prob. 11PCh. 13 - Prob. 12PCh. 13 - Prob. 13PCh. 13 - Prob. 14PCh. 13 - Prob. 15PCh. 13 - Prob. 16PCh. 13 - Prob. 17PCh. 13 - Prob. 1TYCh. 13 - Prob. 2TYCh. 13 - Prob. 3TYCh. 13 - Prob. 4TYCh. 13 - Prob. 5TYCh. 13 - Prob. 6TYCh. 13 - Prob. 7TYCh. 13 - Prob. 8TYCh. 13 - Prob. 9TY
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, physics and related others by exploring similar questions and additional content below.Similar questions
- Is the Sun an average star? Why or why not?arrow_forwardConsider two stars with mV = 2.2 and mV = −1.5. What is their combined visual magnitude? Commenton whether your answer is plausible.arrow_forwardA star is observed to cross the meridian at an elevation of 67°, as seen from an observatory at a latitude of 52° north. What is the declination of the star? What would be the declination of a star observed to transit at an elevation of 20°?arrow_forward
- Star A has an apparent magnitude of 3.0, and Star B has an apparent magnitude of 6.0. Which star appears brighter to an observer on Earth? How many times brighter does that star appear?arrow_forwardConsider two stars with mV = 2.2 and mV = −1.5. What is their combined visual magnitude? Is the answer plausible.arrow_forwardConsider two identical stars, A and B. Star B is 10 times farther away than star A. What is the differencein magnitudes between the two stars?arrow_forward
- A first-magnitude star is 100 times brighter than a sixth-magnitude star, which means each difference in magnitude represents a brightness change of 2.51 times. Compare the brightness of a star with an apparent magnitude (m) of −2.1 to a star with an apparent magnitude of +2.9.A first-magnitude star is 100 times brighter than a sixth-magnitude star, which means each difference in magnitude represents a brightness change of 2.51 times. Bchange ≈arrow_forwardThe magnitude of star A is 11 more than that of star B. How is their corresponding brightness related?arrow_forwardDo stars that look brighter in the sky have larger or smaller magnitudes than fainter stars?arrow_forward
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