Physical parameter determination of seven RR Lyrae stars in Bootes

Details Physical parameter determination of seven RR Lyrae stars in Bootes Physical parameter determination of seven RR Lyrae stars in Bootes

Jun 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007coast.150..385p&link_type=abstract

Communications in Astroseismology, Vol. 150, p.385

Astronomy and Astrophysics

Astronomy

1

Scientific paper

uvbyβ photoelectric photometry of the RR Lyrae stars AE, RS, ST, TV, TW, UU, and XX Bootis has been acquired in order to determine the physical parameters of the stars. We used the correlation between the Fourier parameters derived from the light curves and the physical parameters such as the absolute magnitude M_v, intrinsic colour (B-V)_0 and metal abundance [Fe/H]. Once reddening has been determined, unreddened indices are obtained and T_{eff} and log g followed along the cycle, using a comparison with the theoretical models given for our determined metallicity.

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