Determination of physical parameters of five large amplitude delta Scuti stars

Details Determination of physical parameters of five large amplitude delta Scuti stars Determination of physical parameters of five large amplitude delta Scuti stars

Jul 1999

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1999a%26as..138...11p&link_type=abstract

Astronomy and Astrophysics Supplement, v.138, p.11-18

Astronomy and Astrophysics

Astrophysics

11

Stars: Fundamental Parameters, Delta Sct

Scientific paper

uvby-beta photometry of the large amplitude delta Scuti stars BP Peg, DY Peg, DY Her, CY Aqr and YZ Boo is presented. Since the data were obtained almost simultaneously in all filters, meaningful physical parameters have been derived for each star along their pulsation cycles using the calibrations from \cite[Nissen (1988)]{nis88} for A and F stars to determine the reddening and derive the unreddened photometric values. The utilization of the theoretical grids of \cite[Relyea & Kurucz (1978)]{rel78} has allowed temperature and gravity values to be determined. A comparison with previously reported values is presented.

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