Determination of physical parameters of five large amplitude δ Scuti stars

被引：12

作者：

Peña, JH ^{[1
]}

González, D ^{[1
]}

Peniche, R ^{[1
]}

机构：

[1] Univ Nacl Autonoma Mexico, Astron Inst, Mexico City, DF, Mexico

来源：

ASTRONOMY & ASTROPHYSICS SUPPLEMENT SERIES | 1999年 / 138卷 / 01期

关键词：

stars : fundamental parameters; delta Sct;

D O I：

10.1051/aas:1999264

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

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 Nissen (1988) for A and F stars to determine the reddening and derive the unreddened photometric values. The utilization of the theoretical grids of Relyea & Kurucz (1978) has allowed temperature and gravity values to be determined. A com parison with previously reported values is presented.

引用

页码：11 / 18

页数：8

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