tony zhao 2015. exo- outside, outer, out of ayyo wut’s an exoplanet
DESCRIPTION
Ayyo why should I care ‘bout ‘emTRANSCRIPT
Tony Zhao 2015
Dem’ Exoplanets Tho’
Feat. TrES-3b
Exo- outside, outer, out of
Ayyo wut’s an exoplanet
http://img11.deviantart.net/72bc/i/2013/215/e/1/exoplanets_2_by_melissasoup-d6gk0xw.png
Ayyo why should I care ‘bout ‘em
YOU AIN’T GOT NO PLANETAFTER EARTH RIGHT NOW
http://orig09.deviantart.net/17b2/f/2010/277/e/8/earth_destruction_by_kallestar23-d301wgd.jpg
Direct imaging
Radial velocityAstrometryMicrolensing
Ayyo so how we gonna’ find dem’
Transit
Ayyo so how dat transit method work tho’
As the planet crosses the star, a dip in brightness can be observed
http://sites.psu.edu/tgg119/wp-content/uploads/sites/661/2013/01/OSNanimkurzloop.gif
Main goal: Extrapolate the
radius of the planet.
Ayyo, wut chu’ tryna’ do tho’Other goal:
Determine other properties of star and planet and how they affect
the curve
Meet TrES-3B
That one™
Ayyo, how dat work tho’
Where cho’ data at
Fraction of
Light blocked
____________________ _____Transit time
How chu’ calculate radius tho’
𝐴=𝜋 𝑟2Fraction of light blocked =𝐴𝑝𝑙𝑎𝑛𝑒𝑡
𝐴𝑠𝑡𝑎𝑟
𝑅𝑝𝑙𝑎𝑛𝑒𝑡2
𝑅𝑠𝑡𝑎𝑟2
#DemMathSkills
Transit time
More forms of data and stuff
After calculations.
Radius =
TrES-3b
71364 kmor
1.02 Radius
Jupiter
http://astro.unl.edu/naap/esp/animations/transitSimulator.html
Important variables• Radius of planet• Radius of Star• Mass of Star• Semi-major Axis• System Inclination
Dem’ Secondary Objectives
•Transit method works to determine the radius of the planet•From that, a great deal of other properties can be inferred.
Dat Conclusion tho’
This be the end
• Kallestar23. "Earth Destruction." DeviantArt. DeviantArt, 2010. Web. 20 July 2015.
• DeStefono, Melissa. "Exoplanets 2." DeviantArt. DeviantArt, Feb. 2013. Web. 20 July 2015.
• NAAP. "Transit Simulator - Extrasolar Planets - NAAP." Transit Simulator - Extrasolar Planets - NAAP. University of
Nebraska- Lincoln, 25 July 2007. Web. 20 July 2015. • Bisque, Matthew L. CCDSoft. Vers. 5.00.216. Computer
software. Software Bisque, 2013. Windows 7, 99.2 MB, download.
• Python. Vers. 2.7.2. Computer software. Python Software Foundation, 2013. Windows 7, 20.7 MB, download.
Dem citations