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LOTUS
=====
*LOTUS* (non-LTE Optimization Tool Utilized for the derivation of atmospheric
Stellar parameters) is a python package for the derivation of stellar parameters,
such :math:`T_{\mathrm{eff}}`, :math:`\mathrm{log\mathit g}`, :math:`\mathrm{[Fe/H]}`
and :math:`\xi_{t}` via *Equivalent Width (EW)* method with the assumption of
**1D Non Local Thermodynamic Equilibrium**. It mainly applies on the spectroscopic
data from high resolution spectral survey. It can provide extremely accurate
measurement of stellar parameters compared with non-spectroscipic analysis from
benchmark stars as: :math:`\Delta T_{\mathrm{eff}} \lesssim 50 K`, :math:`\Delta \mathrm{log\mathit g} \lesssim 0.1`.
*LOTUS* provides features:
* Fast optimizer for obtaining stellar parameters based on
`Differential Evolution `_ algorithm.
* Well constrained uncertainty of derived stellar parameters from slice-sampling MCMC
from `PyMC3 `_.
* Interpolation of *Curve of Growth* from theoretical EW grid under the assumptions of
LTE and Non-LTE.
* Visualization of excitation and ionization balance when at the optimal combination
of stellar parameters.
*LOTUS* is being developed in `GitHub Repository `_,
so if you catch any issues during running it please `open an issue `_ here.
Contents
--------
.. toctree::
:maxdepth: 1
:caption: User Guide
user/install
user/api
.. toctree::
:maxdepth: 1
:caption: Tutorials
tutorials/quickstart.ipynb
tutorials/examples.ipynb
tutorials/InterpolationAtAnyRanges.ipynb