Posts by Maria Crăciun

Abstract


This paper deals with the light travel time effect in binary systems with variable components. The methods for estimation of the orbital elements relying on the parameters obtained through Fourier decomposition of the respective timing / O − C data, are reviewed. Some new formulae are derived and some qualitative remarks on the adopted methodology are discussed. Finally, some issues related to the presence of time gaps in the analysed data and to the case of noisy data are addressed.

Authors

Alexandru Pop
Astronomical Institute, Astronomical Observatory Cluj-Napoca, Romanian Academy

Maria Crăciun
Tiberiu Popoviciu Institute of Numerical Analysis, Romanian Academy

Mihai  Bărbosu
Rochester Institute of Technology, School of Mathematical Sciences, New York, USA

Keywords

Variable stars; Binary systems; Data analysis.

Paper coordinates

A. Pop, M. Crăciun, M. Bărbosu, On the determination of the orbital elements in the light travel time effect, Romanian Astron. J., 32 (2022) no. 1, pp. 59-71.

PDF

About this paper

Journal

Romanian Astronomical Journal

Publisher Name

Editura Academiei Romane

DOI
Print ISSN

1220-5168       

Online ISSN

2285-3758

google scholar link

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