A Bayesian method for the extinction

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Abstract

We propose a Bayesian method to measure the total Galactic extinction parameters, RV and AV. Validation tests based on the simulated data indicate that the method can achieve the accuracy of around 0.01 mag. We apply this method to the SDSS BHB stars in the northern Galactic cap and find that the derived extinctions are highly consistent with those from Schlegel et al. (1998). It suggests that the Bayesian method is promising for the extinction estimation, even the reddening values are close to the observational errors.

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Tian, H. J., Liu, C., Hu, J. Y., Xu, Y., & Chen, X. L. (2015). A Bayesian method for the extinction. Proceedings of the International Astronomical Union, 10, 22–24. https://doi.org/10.1017/S1743921314010692

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