Orbital period changes of the W UMa binary YY Eri
Sign Up to like & getrecommendations! Published in 2018 at "Research in Astronomy and Astrophysics"
DOI: 10.1088/1674-4527/18/9/106
Abstract: The orbital period changes of the W UMa-type binary, YY Eri, are analyzed by using all pe and ccd times of light minimum. The results show that its orbital period is undergoing a secular increase… read more here.
Keywords: binary eri; uma binary; period; period changes ... See more keywords
Using analytic geometry to quantify the period-to-period changes in an array of values
Sign Up to like & getrecommendations! Published in 2019 at "Managerial Auditing Journal"
DOI: 10.1108/maj-09-2017-1640
Abstract: Purpose This paper develops a vector variation score that quantifies the change in an array of data points from period-to-period. The array could be the amounts reported on an income tax return, the closing stock… read more here.
Keywords: score; analytic geometry; period period; period ... See more keywords