vice.primordial¶
The VICE dataframe: primordial abundances
Stores the abundance by mass of each element following big bang
nucleosynthesis. Stored values are of type float
, and are zero for all
elements with the exception of helium, which is assigned the standard model
value of \(Y_\text{p} = 0.24672 \pm 0.00017\) 1 2 3.
New in version 1.1.0.
Indexing¶
str
[case-insensitive]The symbol of a chemical element as it appears on the periodic table.
Item Assignment¶
This instance of the VICE dataframe does not support item assignment.
Functions¶
keys
todict