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The eclipsing binary HD 92024 : 'Getting the orbit' (CROSBI ID 496099)

Prilog sa skupa u zborniku | sažetak izlaganja sa skupa | međunarodna recenzija

Freyhammer, L.M. ; Hensberge, H. ; Sterken, C. ; Pavlovski, K. ; Smette, A. ; Ilijić, S. The eclipsing binary HD 92024 : 'Getting the orbit' // Workshop on Spectroscopically and Spatially Resolving the Components of Close Binary Stars : Abstract Book. 2003. str. 17-17-x

Podaci o odgovornosti

Freyhammer, L.M. ; Hensberge, H. ; Sterken, C. ; Pavlovski, K. ; Smette, A. ; Ilijić, S.

engleski

The eclipsing binary HD 92024 : 'Getting the orbit'

HD92024 is an SB1 eclipsing binary system with a Beta Cephei star as primary component. We report on the progress of a combined photometric and spectroscopic investigation of this binary, being the only known one of its type in the southern hemisphere. Pulsating components of spectroscopic binaries often introduce substantial line-profile variations in the spectra, which hampers the determination of orbital radial-velocity amplitudes and thus the stellar masses. Here, in order to minimise the bias from line-profile variations on the orbital RVs, we use selected matched-profile RV differences to derive the orbital paramterers. The method is compared to straightforward cross-correlations of the spectra with an average spectrum.

eclipsing binary star; spectroscopic binary; HD 92024

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Podaci o prilogu

17-17-x.

2003.

objavljeno

Podaci o matičnoj publikaciji

Workshop on Spectroscopically and Spatially Resolving the Components of Close Binary Stars : Abstract Book

Podaci o skupu

International Workshop 'Spectroscopically and Spatially Resolving the Components of Close Binary Stars'

predavanje

20.10.2003-24.10.2003

Dubrovnik, Hrvatska

Povezanost rada

Fizika