A PRC relation for delta Scuti stars

Details A PRC relation for delta Scuti stars A PRC relation for delta Scuti stars

Nov 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982ap%26ss..88..185a&link_type=abstract

Astrophysics and Space Science, vol. 88, no. 1, Nov. 1982, p. 185-188.

Astronomy and Astrophysics

Astrophysics

1

Cepheid Variables, Stellar Color, Astronomical Catalogs, Correlation Coefficients, Radii

Scientific paper

The Fracassini and Pasinetti (1980) technique is employed to derive a period-radius-color (PRC) relation for delta Scuti stars. The apparent radii of 78 delta Scuti stars were calculated, together with the PRC relations, which showed a 0.75 correlation coefficient. Exclusion of the stars SX Phe, HR 238, HR 3662, HR 4746, HR 515, and delta Scuti is noted to improve the PRC coefficient to 0.86. The computed apparent radii were found to have a correlation of 0.97. It is concluded that the PRC relation is sufficient for calculating the radius of a variable provided the period and color of the star is known.

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