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anlyplot [2014/05/15 08:43] cyburt |
anlyplot [2014/05/15 15:23] cyburt removed |
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<box left 80% orange|**(Pre-Course Assignment)**> | <box left 80% orange|**(Pre-Course Assignment)**> | ||
- | **Analyze and plot abundances:** | + | **Analyze and plot Solar Abundances:** |
- Grab the solar system abundances and plot them | - Grab the solar system abundances and plot them | ||
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* Vs mass number (A) | * Vs mass number (A) | ||
* Vs atomic number (Z) | * Vs atomic number (Z) | ||
- | - Grab stellar abundances from the [[http://saga.sci.hokudai.ac.jp/wiki/doku.php|SAGA Database]] for a handful of stars | + | |
- | * Plot abundances in [A/H] notation | + | **Analyze and plot Stellar Abundances** |
- | * Translate [A/H] notation into mass fraction abundances | + | - Grab stellar abundances from the [[http://saga.sci.hokudai.ac.jp/wiki/doku.php|SAGA Database]] for a handful of stars |
+ | $\ \ \ \ \ \ [A/B]= \log_{10}(A/B)_{star} - \log_{10}(A/B)_\odot$ | ||
+ | * Plot | ||
+ | - [Ca/H], [Ge/H], [Zr/H], [Sr/H], [Ba/H], [La/H], [Nd/H], [Eu/H] vs [Fe/H] | ||
+ | * Are these elements correlated with metallicity? | ||
+ | * Do they have the same correlation? | ||
+ | - [Ca/Fe], [Ge/Fe], [Zr/Fe], [Sr/Fe], [Ba/Fe], [La/Fe], [Nd/Fe] vs [Eu/Fe] | ||
+ | * Are these elements correlated with Eu? | ||
</box> | </box> |