Absolute magnitudes for late-type dwarf stars for Sloan photometry

Abstract

We present a new formula for absolute magnitude determination for late-type dwarf stars as a function of (g-r) and (r-i) for Sloan photometry. The absolute magnitudes estimated by this approach are brighter than those estimated by colour-magnitude diagrams, and they reduce the luminosity function rather close to the luminosity function of Hipparcos.

arXiv comment11 pages, 9 figures and 5 tables, accepted for publication in AN

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