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Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Vol. 13, Iss. 10 — Oct. 1, 1988
  • pp: 907–909

Binary-star intensity ratios by the fork algorithm

William G. Bagnuolo, Jr.  »View Author Affiliations


Optics Letters, Vol. 13, Issue 10, pp. 907-909 (1988)
http://dx.doi.org/10.1364/OL.13.000907


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Abstract

The fork algorithm for accurately estimating the intensity ratio of binary stars from speckle interferometry data is presented. For brighter stars simulation results suggest that the fork algorithm can attain a signal-to-noise ratio roughly 10 times greater than that of other algorithms, such as triple correlation and shift-and-add. The results of the application of the algorithm to Capella (Alpha Aurigae) data are described.

© 1988 Optical Society of America

History
Original Manuscript: May 2, 1988
Manuscript Accepted: July 7, 1988
Published: October 1, 1988

Citation
William G. Bagnuolo, "Binary-star intensity ratios by the fork algorithm," Opt. Lett. 13, 907-909 (1988)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-13-10-907


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References

  1. H. A. McAlister, W. I. Hartkopf, D. J. Hutter, O. G. Franz, Astron. J. 93, 688 (1987). [CrossRef]
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  4. W. G. Bagnuolo, in International Astronomical Union Colloquium 64, Lowell Observatory Bull. 167 (Lowell Observatory, Flagstaff, Ariz., 1983), p. 180.
  5. R. Barakat, P. Nisensen, J. Opt. Soc. Am. 71, 1390 (1981). [CrossRef]
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  9. W. G. Bagnuolo, J. R. Sowell, “Binary star speckle photometry. I. The colors and spectral types of the Capella stars,” Astron. J. (to be published).

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