期刊
ASTRONOMISCHE NACHRICHTEN
卷 326, 期 5, 页码 321-331出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/asna.200510358
关键词
techniques : Sloan photometry; stars : distances; stars : luminosity function
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.
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