Methods of smoothing applied to differences in star positions in observational catalogues | Zendy

N. Popović | Zendy

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Methods of smoothing applied to differences in star positions in observational catalogues

Author(s) -

N. Popović

Publication year - 1998

Publication title -

serbian astronomical journal

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.196

H-Index - 16

eISSN - 1820-9289

pISSN - 1450-698X

DOI - 10.2298/saj9858023p

Subject(s) - physics , trigonometry , star (game theory) , observational study , smoothing , stars , exponential function , astrophysics , trigonometric functions , spline (mechanical) , astronomy , statistics , mathematical analysis , geometry , mathematics , thermodynamics

Three different methods, Whittaker - Robinson - Vondrak (WRV), cubic spline (SPL) and Expansion of the Elementary Trigonometric and Exponential Functions (ETE), are applied to differences in star positions of five observational catalogues in order to eliminate random errors. The Belgrade, Kiev, Moscow, Odessa and Kharkov catalogues of double stars (DS) programme have been used. The ETE method appears as reliable and even somewhat more efficacious that the usual WRV and SPL methods

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