New colour-transformations for the Sloan photometry and revised metallicity calibration and equations for photometric parallax estimation

Details New colour-transformations for the Sloan photometry and revised metallicity calibration and equations for photometric parallax estimation New colour-transformations for the Sloan photometry and revised metallicity calibration and equations for photometric parallax estimation

2004-07-13

arxiv.org/abs/astro-ph/0407253v1

Astronomy and Astrophysics

Astrophysics

11 pages, including 7 figures and 2 tables, accepted for publication in PASA

Scientific paper

10.1071/AS04034

We evaluated new colour-transformations for the Sloan photometry by 224 standards and used them to revise both the equations for photometric parallax estimation and metallicity calibration cited by Karaali et al. (2003). This process improves the metallicity and absolute magnitude estimations by [Fe/H]<=0.3 dex and M^{H}_{g} <= 0.1 mag respectively. There is a high correlation for metallicities and absolute magnitudes derived for two systems, UBV and Sloan, by means of the revised calibrations.

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