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1. How long did this exoplanet transit event last?

1. How long did this exoplanet transit event last?

Applications and Investigations in Earth Science (9th Edition)
Applications and Investigations in Earth Science (9th Edition)
9th Edition
ISBN:9780134746241
Author:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Publisher:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Chapter1: The Study Of Minerals
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1. How long did this exoplanet transit event last? www.LewisDartnell.com 2. The 'depth' of a transit event is how much the starlight intensity dims by. What is the depth of the transit in the lightcurve shown in Fig.2? I 3. The depth of a transit tells astronomers some very important information about the exoplanet. Look back at Fig.1, depicting the transit. What determines how much the starlight dims by? 4. The radius of the star being observed in Fig.2 is 5x108 m. Think carefully about how this relates to the answer for Q3, and calculate the radius of the transiting planet. 5. The radius of Jupiter is 7.0x107 m. Compare the size of this exoplanet to that of Jupiter. If you watch the star for long enough, the same planet will transit across again and then again. Fig.3 100 Intensity (%) 2 3 4 5 6 7 Time (days) 6. What information do you learn about the planet in its solar system by looking at the time interval between transits in Fig.3?
Transcribed Image Text:1. How long did this exoplanet transit event last? www.LewisDartnell.com 2. The 'depth' of a transit event is how much the starlight intensity dims by. What is the depth of the transit in the lightcurve shown in Fig.2? I 3. The depth of a transit tells astronomers some very important information about the exoplanet. Look back at Fig.1, depicting the transit. What determines how much the starlight dims by? 4. The radius of the star being observed in Fig.2 is 5x108 m. Think carefully about how this relates to the answer for Q3, and calculate the radius of the transiting planet. 5. The radius of Jupiter is 7.0x107 m. Compare the size of this exoplanet to that of Jupiter. If you watch the star for long enough, the same planet will transit across again and then again. Fig.3 100 Intensity (%) 2 3 4 5 6 7 Time (days) 6. What information do you learn about the planet in its solar system by looking at the time interval between transits in Fig.3?
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