[ascl:1608.007]
BASE-9: Bayesian Analysis for Stellar Evolution with nine variables

Robinson, Elliot; von Hippel, Ted; Stein, Nathan; Stenning, David; Wagner-Kaiser, Rachel; Si, Shijing; van Dyk, David

The BASE-9 (Bayesian Analysis for Stellar Evolution with nine variables) software suite recovers star cluster and stellar parameters from photometry and is useful for analyzing single-age, single-metallicity star clusters, binaries, or single stars, and for simulating such systems. BASE-9 uses a Markov chain Monte Carlo (MCMC) technique along with brute force numerical integration to estimate the posterior probability distribution for the age, metallicity, helium abundance, distance modulus, line-of-sight absorption, and parameters of the initial-final mass relation (IFMR) for a cluster, and for the primary mass, secondary mass (if a binary), and cluster probability for every potential cluster member. The MCMC technique is used for the cluster quantities (the first six items listed above) and numerical integration is used for the stellar quantities (the last three items in the above list).

- Code site:
- https://github.com/argiopetech/base https://github.com/argiopetech/base/releases
- Used in:
- http://adsabs.harvard.edu/abs/2013ApJ...775....1O http://adsabs.harvard.edu/abs/2015AJ....149...94H http://adsabs.harvard.edu/abs/2016ApJ...826...42W
- Described in:
- http://adsabs.harvard.edu/abs/2016ApJ...826...41S http://adsabs.harvard.edu/abs/2014arXiv1411.3786V

- Bibcode:
- 2016ascl.soft08007R

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