nats1740m-UCA5-instructions (1)
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School
York University *
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Course
1740
Subject
Astronomy
Date
Jan 9, 2024
Type
Pages
1
Uploaded by PresidentGrousePerson764
UCA5
Due: Mar 24, 2023
Instructions: Homework Assignment #5
NATS 1740M - Astronomy
Due: Friday Mar 24, 2023 by 11:59pm
Open an empty document in any word-processing software (Word, Pages, Google Docs, etc.),
and write your name, student number, and ‘Unit Completion Assignment #5’ at the very top.
Using what you know from lectures, readings, and the Exoplanet Transit Simulator (https://
ccnmtl.github.io/astro-simulations/exoplanet-transit-simulator/), put your answers to the
questions below in that document. Submit your assignment to the UCA5 submission link
provided.
—
Question 1
Set the presets to ‘Option A’ and hit ‘set.’ The graph should show a transit that measures a 1%
drop from the star’s normal brightness.
A)
[1 marks] What happens to the transit depth if you increase the mass of the star? Decrease
the mass of the star?
B)
[1 marks]
Hit ‘set’ again, to reset the settings for Option A
. What happens to the transit
depth if you increase the mass of the planet? Decrease the mass of the planet?
C)
[1 marks]
Hit ‘set’ again, to reset the settings for Option A
. What happens to the transit
depth if you increase the radius of the planet? Decrease the radius of the planet?
Question 2
Using all of the options in the Planet Properties and the Star Properties…
A)
[5 marks] Create an exoplanet that would be
the easiest to detect
. Take a screenshot of
the entire page of the website showing the combination of parameters you used to answer
this question, and attach here.
Why is this an easy planet to detect? How do you know?
B)
[5 marks] Create an explanet system that is
similar to Earth orbiting the Sun
. Take a
screenshot of the entire page of the website showing the combination of parameters you
used to answer this question, and attach here.
Would this be an easy planet to find? Why or why not?
Question 3
[5 marks] How would you determine if an exoplanet is a rocky planet or gas giant planet? What
measurements would you need to make about this planet, using what methods, and doing
what calculations to determine which type of planet it is.
NATS1740M Astronomy
© Jesse Rogerson
York University
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