P JAM

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PJAM

• Stellar Astronomy Radio Emissions

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The Team
Julian Trent
Matt Robinson
Parth Sehgal
Adam Susaneck
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The Task
Determine the relation between stars masses and
the intensity of their radio emissions at both
21m and 100µm.
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The Plan

• Pick two stars of each type
• Observe these stars and gather data
• Analyze the data for possible correlations and
  draw conclusions from there

Pick Stars
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The Tools
Pick Stars

• Smiley - Detect radio emissions at 1.42GHz from
  Neutral Hydrogen
• SkyView - Use an infrared scan at 100microns to
  determine the amount of dust (molecules) around a
  star

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The Stars
Pick Stars
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The Data
Intensity
Pick Stars
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The Results

• The averaged results from the 1.42GHz emissions
  test showed a correlation between a stars mass
  and its radio emissions
• No correlation was found after the results from
  the infrared scans were reviewed

Pick Stars
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The Graphs, Dawg
Pick Stars
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The Graphs (Continued)
Pick Stars
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The Theories for 1420MHz
Theory 1 Bigger stars have more neutral
hydrogen because they require
more fuel to sustain themselves Theory 2
Because hydrogen is the most
abundant element in the universe, the
more massive a star is, the more hydrogen
is contained in it. .
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The Theories for 1420MHz (Continued)
Theory 3 The hotter a star, the faster the
movement of atoms around the star. As electrons
collide, they move through orbits emitting radio
emissions at 1.42GHz. A hotter star results in
more collisions and therefore more radio
emissions.
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The Theories for Infrared
The amount of dust (molecules) around a star is
dependent on the star and its location, not on
its size. The gathered data showed no
correlation between size and the intensity of the
scan.
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The Future
Future work for this project might include the
study of a greater range of stars. Another
possibility could include the study of stars at
specific stages in their lifecycles. This
information could reveal whether stars ages
affect their radio emissions.
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The End