Probability imaging of the bright double star Zeta AQR in the infrared

Details Probability imaging of the bright double star Zeta AQR in the infrared Probability imaging of the bright double star Zeta AQR in the infrared

Jul 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990exa.....1..267a&link_type=abstract

Experimental Astronomy (ISSN 0922-6435), vol. 1, no. 4, 1990, p. 267-284.

Mathematics

Probability

7

Double Stars, Infrared Astronomy, Stellar Luminosity, Image Processing, Probability Theory, Speckle Interferometry

Scientific paper

The technique of probability imaging is applied to the bright, well resolved, infrared binary star Zeta Aqr. It is shown how the second probability density function (pdf) contains all pertinent information to reconstruct the binary system with no ambiguity. Relations between the second pdf and other techniques (speckle masking technique and fork algorithm) are briefly indicated. An analysis of the behavior of the second pdf under additive signal-independent noise is undertaken. As expected from the general theory of signal processing, the second pdf of the noise is found to blur the second pdf of the signal by means of a convolution relation.

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