Reference : HD 192163 variability revisited - A very short period WR binary or a pulsating star?
Scientific journals : Article
Physical, chemical, mathematical & earth Sciences : Space science, astronomy & astrophysics
http://hdl.handle.net/2268/107933
HD 192163 variability revisited - A very short period WR binary or a pulsating star?
English
Vreux, Jean-Marie mailto [Université de Liège - ULg > > Département d'astrophys., géophysique et océanographie (AGO)]
Andrillat, Y. [Haute-Provence, Observatoire, Saint-Michel l'Observatoire, France]
Gosset, Eric mailto [Université de Liège - ULg > Département d'astrophys., géophysique et océanographie (AGO) > Groupe d'astrophysique des hautes énergies (GAPHE)]
1-Aug-1985
Astronomy and Astrophysics
EDP Sciences
149
337-342
Yes (verified by ORBi)
International
0004-6361
1432-0746
Les Ulis
France
[en] BINARY STARS ; STELLAR OSCILLATIONS ; STELLAR SPECTRA ; VARIABLE STARS ; WOLF-RAYET STARS ; EMISSION SPECTRA ; FOURIER ANALYSIS ; LINE SPECTRA ; RADIAL VELOCITY
[en] The present reexamination of emission line variations in HD 192163 on the basis of 23 spectra takes into account stratification effects in the atmosphere of the WR stars, as well as the necessity for a high N/R ratio. Because of the peculiar shape of the profiles, the wavelength shifts are measured by comparing the position of every observation to a nearly noise-free profile that is taken as reference. The most probable period supported by the present data is either 0.45 or 0.31 days; these two periods are one-day aliases of each other.
Researchers
http://hdl.handle.net/2268/107933
http://adsabs.harvard.edu/abs/1985A%26A...149..337V

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