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astro-ph.SR2020
About ten stars orbit eclipsing binary XZ And
L. Jetsu
A third body in an eclipsing binary system causes regular periodic changes in the observed (O) minus the computed (C) eclipse epochs. Fourth bodies are rarely detected from the O-C…
astro-ph.SR2020★ 2 cited
Say hello to Algol's new companion candidates
L. Jetsu
Constant orbital period ephemerides of eclipsing binaries give the computed eclipse epochs (C). These ephemerides based on the old data can not accurately predict the observed futu…
astro-ph.IM2020
Discrete Chi-square Method for Detecting Many Signals
Lauri Jetsu
Unambiguous detection of signals superimposed on unknown trends is difficult for unevenly spaced data. Here, we formulate the Discrete Chi-square Method (DCM) that can determine th…