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- W2022331509 abstract "view Abstract Citations (73) References (37) Co-Reads Similar Papers Volume Content Graphics Metrics Export Citation NASA/ADS Rediscussion of Eclipsing Binaries. XVII. Spectroscopic Orbits of OB Systems with a Cross-Correlation Procedure Popper, Daniel M. ; Hill, Graham Abstract An effort is made to apply the reduction techniques, including cross correlation, developed at Victoria by Hill et al. (1982) to photographic spectrograms of OB binaries in order to correct for the effects of overlapping profiles. According to the calibration using synthetic binaries, the values of K derived by the cross correlation method are larger than the true values by an average of 2.0 percent for the primary components and 3.0 percent for the secondaries. The average luminosity ratio is 0.7. The values of K obtained for the eclipsing binaries by the procedure are, as expected, greater than the values obtained by oscilloscopic scanning of the same spectrograms. Although the values of K and hence the masses and radii are probably more reliable than earlier results, it is concluded that the elimination of systematic effects in the velocities of double-line OB binaries is a difficult task that may not have been accomplished completely. Publication: The Astronomical Journal Pub Date: February 1991 DOI: 10.1086/115709 Bibcode: 1991AJ....101..600P Keywords: B Stars; Cross Correlation; Eclipsing Binary Stars; O Stars; Stellar Orbits; Stellar Spectrophotometry; Charge Coupled Devices; Line Spectra; Photographic Plates; Stellar Luminosity; Astronomy; STARS: ECLIPSING BINARIES; STARS: EARLY-TYPE full text sources ADS | data products SIMBAD (19) Related Materials (17) Part 1: 1956ApJ...124..196P Part 2: 1956ApJ...124..208P Part 3: 1957ApJ...126...53P Part 4: 1959ApJ...129..659P Part 5: 1961ApJ...133..148P Part 6: 1961ApJ...134..828P Part 7: 1965ApJ...141..126P Part 8: 1968ApJ...154..191P Part 9: 1970ApJ...162..925P Part 10: 1974ApJ...188..559P Part 11: 1981ApJ...244..541P Part 12: 1982ApJ...254..203P Part 13: 1984AJ.....89.1057P Part 14: 1986AJ.....91.1428T Part 15: 1987AJ.....93..672P Part 17: 1993PASP..105..721P Part 18: 1976ApJ...208..142P" @default.
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- W2022331509 title "Rediscussion of eclipsing binaries. XVII - Spectroscopic orbits of OB systems with a cross-correlation procedure" @default.
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