Matches in SemOpenAlex for { <https://semopenalex.org/work/W4226453923> ?p ?o ?g. }
- W4226453923 endingPage "639" @default.
- W4226453923 startingPage "622" @default.
- W4226453923 abstract "We present a complex study of the eclipsing binary system, AB Cas. The analysis of the whole TESS light curve, corrected for the binary effects, reveals 112 significant frequency peaks with 17 independent signals. The dominant frequency $f_1 = $17.1564 d$^{-1}$ is a radial fundamental mode. The $O-C$ analysis of the times of light minima from over 92 years leads to a conclusion that due to the ongoing mass transfer the system exhibits a change of the orbital period at a rate of 0.03 s per year. In order to find evolutionary models describing the current stage of AB Cas, we perform binary evolution computations. Our results show the AB Cas system as a product of the rapid non-conservative mass transfer with about 5-26 % of transferred mass lost from the system. This process heavily affected the orbital characteristics of this binary and its components in the past. In fact, this system closely resembles the formation scenarios of EL CVn type binaries. For the first time, we demonstrate the effect of binary evolution on radial pulsations and determine the lines of constant frequency on the HR diagram. From the binary and seismic modelling, we obtain constraints on various parameters. In particular, we constrain the overshooting parameter, $f_{rm ov}in [0.010,~0.018]$, the mixing-length parameter, $alpha_{rm MLT}in[1.2,~1.5]$ and the age, $t in [2.3,~3.4]$ Gyr." @default.
- W4226453923 created "2022-05-05" @default.
- W4226453923 creator A5031905967 @default.
- W4226453923 creator A5034586002 @default.
- W4226453923 creator A5060342627 @default.
- W4226453923 creator A5087731703 @default.
- W4226453923 date "2022-04-30" @default.
- W4226453923 modified "2023-10-15" @default.
- W4226453923 title "The eclipsing binary systems with δ Scuti component – II. AB Cas" @default.
- W4226453923 cites W1678453227 @default.
- W4226453923 cites W1837153229 @default.
- W4226453923 cites W1960445990 @default.
- W4226453923 cites W1966800752 @default.
- W4226453923 cites W1977275682 @default.
- W4226453923 cites W1981869477 @default.
- W4226453923 cites W1985836609 @default.
- W4226453923 cites W1993159000 @default.
- W4226453923 cites W1994519322 @default.
- W4226453923 cites W1995466819 @default.
- W4226453923 cites W2001478608 @default.
- W4226453923 cites W2005660297 @default.
- W4226453923 cites W2005814897 @default.
- W4226453923 cites W2006124034 @default.
- W4226453923 cites W2011087437 @default.
- W4226453923 cites W2014163681 @default.
- W4226453923 cites W2014460679 @default.
- W4226453923 cites W2022427467 @default.
- W4226453923 cites W2024680894 @default.
- W4226453923 cites W2032473379 @default.
- W4226453923 cites W2032639072 @default.
- W4226453923 cites W2037978097 @default.
- W4226453923 cites W2040834157 @default.
- W4226453923 cites W2050681148 @default.
- W4226453923 cites W2052884959 @default.
- W4226453923 cites W2057017552 @default.
- W4226453923 cites W2059144627 @default.
- W4226453923 cites W2059879627 @default.
- W4226453923 cites W2061169145 @default.
- W4226453923 cites W2063202911 @default.
- W4226453923 cites W2065089180 @default.
- W4226453923 cites W2070285076 @default.
- W4226453923 cites W2071833125 @default.
- W4226453923 cites W2078001660 @default.
- W4226453923 cites W2080837524 @default.
- W4226453923 cites W2083230185 @default.
- W4226453923 cites W2089239169 @default.
- W4226453923 cites W2095344000 @default.
- W4226453923 cites W2098156877 @default.
- W4226453923 cites W2108050022 @default.
- W4226453923 cites W2110606875 @default.
- W4226453923 cites W2113818894 @default.
- W4226453923 cites W2121415965 @default.
- W4226453923 cites W2123867568 @default.
- W4226453923 cites W2125186855 @default.
- W4226453923 cites W2133714870 @default.
- W4226453923 cites W2134728768 @default.
- W4226453923 cites W2137555330 @default.
- W4226453923 cites W2139609320 @default.
- W4226453923 cites W2147141695 @default.
- W4226453923 cites W2154090931 @default.
- W4226453923 cites W2157017092 @default.
- W4226453923 cites W2157805129 @default.
- W4226453923 cites W2161791806 @default.
- W4226453923 cites W2204423677 @default.
- W4226453923 cites W2338790553 @default.
- W4226453923 cites W2427475202 @default.
- W4226453923 cites W2529044787 @default.
- W4226453923 cites W2540317209 @default.
- W4226453923 cites W2564484065 @default.
- W4226453923 cites W2612879445 @default.
- W4226453923 cites W2759798016 @default.
- W4226453923 cites W2767058944 @default.
- W4226453923 cites W2771439494 @default.
- W4226453923 cites W2813878464 @default.
- W4226453923 cites W2899497983 @default.
- W4226453923 cites W2918550948 @default.
- W4226453923 cites W2919641564 @default.
- W4226453923 cites W2963255395 @default.
- W4226453923 cites W2968237466 @default.
- W4226453923 cites W2983599510 @default.
- W4226453923 cites W2997621378 @default.
- W4226453923 cites W2999294570 @default.
- W4226453923 cites W3032750979 @default.
- W4226453923 cites W3037126510 @default.
- W4226453923 cites W3097976388 @default.
- W4226453923 cites W3099933903 @default.
- W4226453923 cites W3100090037 @default.
- W4226453923 cites W3103145119 @default.
- W4226453923 cites W3103373116 @default.
- W4226453923 cites W3103999057 @default.
- W4226453923 cites W3105203933 @default.
- W4226453923 cites W3105426081 @default.
- W4226453923 cites W3105647200 @default.
- W4226453923 cites W3106066040 @default.
- W4226453923 cites W3106402541 @default.
- W4226453923 cites W3118061153 @default.
- W4226453923 cites W3166079640 @default.
- W4226453923 cites W4230272515 @default.