Measurement of the limb darkening coefficient of stars.

Details Measurement of the limb darkening coefficient of stars. Measurement of the limb darkening coefficient of stars.

May 2000

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000acasn..41..192z&link_type=abstract

Acta Astron. Sin., Vol. 41, No. 2, p. 192 - 203

Astronomy and Astrophysics

Astronomy

Stellar Atmospheres: Limb Darkening

Scientific paper

Some new methods, including the first order direct/indirect methods and the second order direct/indirect methods of describing the stellar limb darkening phenomena, are introduced. By comparison with 176 observations of the sun, the mean differences of the direct results are only about 0.38% of the first order approaches and only about 0.26% of the second order approaches. The mean differences of the indirect results are slightly larger than the former. By comparison with the non-LTE numerical model results, there are differences usually only less than 1% and no more than 3%.

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