The first comprehensive catalog of γ Dor pulsators and their characteristics

被引:10
|
作者
Ibanoglu, C. [1 ]
Cakirli, O. [1 ]
Sipahi, E. [1 ]
机构
[1] Ege Univ, Astron & Space Sci Dept, Sci Fac, TR-35100 Izmir, Turkey
关键词
(Stars:) variables; gamma Doradus-(stars:) individual; Fundamental parameters; DELTA-SCUTI STARS; TO-CORE ROTATION; DORADUS STARS; ECLIPSING BINARY; MULTICOLOR PHOTOMETRY; INSTABILITY STRIP; VARIABLE-STARS; MAIN-SEQUENCE; ASTEROSEISMIC MEASUREMENT; MULTISITE CAMPAIGN;
D O I
10.1016/j.newast.2018.01.004
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
We present the first comprehensive catalog of the gamma Doradus type pulsating stars. This catalog covers observational properties of all gamma Dor variables obtained until January 2017. The photometric and physical properties of 109 well - known gamma Dor pulsators, 18 hybrid stars, 13 anomalous gamma Dor stars, and 22 gamma Dor stars in eclipsing plus 1 non-eclipsing SB2 binary systems are presented as separate tables. In addition, 291 candidate gamma Dor variables discovered by CoRot, 307 candidate gamma Dor, 205 hybrid and 11 candidate gamma Dor in binaries discovered by Kepler were also presented. Distribution of the genuine single gamma Dor pulsators in the P-puls-T-eff, Amplitude-T-eff, Amplitude-P-puls, and L-T-eff diagrams are presented and discussed. We find following correlations for the gamma Dor pulsators in the eclipsing binaries: P-puls proportional to P-orb(0.27), P-puls proportional to Q(0.45), and P-puls proportional to r(-0.44), where (Q) is the pulsation constant and r is the fractional radius of the pulsating component in the binary system. The correlation coefficients are not high enough due to limited sample and scattering in the data.
引用
收藏
页码:70 / 84
页数:15
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