Studies
Parameter Recovery Study on IZI–a Bayesian Analysis Tool for Emission Lines from H II Regions and Star-forming Galaxies
Found that IZI could suffer from biased parameter estimation and recommended that the parameter recovery tests are beneficial for the studies using IZI.
- Running parameter recovery tests on IZI: Jupyter notebook (HTML, Download)
Re-examining the Bayesian colour excess estimation for the local star-forming galaxies observed in the HETDEX Pilot Survey
Found that the overestimation of colour excess, hence star formation rate, can be alleviated eightfold by adopting scientifically motivated new priors, which reflects the logical constraint that an intrinsic emission-line flux must exceed the observed (reddened) emission-line flux.
- Plotting the posterior distribution from the MCMC sampling results (published in the above paper): Jupyter notebook (HTML, Download), MCMC samples (Download)
Revisiting the Local Star-Forming Galaxies Observed in the HETDEX Pilot Survey
Redetermined the gas metallicity, dealing carefully with the uncertainties in the line-ratio calibrations, performing reproducibility tests with mock data, and investigating the convergence of the Markov-Chain Monte Carlo (MCMC) sampling.
- Plotting the posterior distribution from the MCMC sampling results (published in the above paper): Jupyter notebook (HTML, Download), MCMC samples (Download)
- How to run MCMC sampling with the convergence monitoring: Jupyter notebook (HTML, Download)
