Fast eclipse mapping

Details Fast eclipse mapping Fast eclipse mapping

Sep 1994

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994a%26a...289..441s&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 289, no. 2, p. 441-448

Astronomy and Astrophysics

Astrophysics

13

Astronomical Maps, Brightness Distribution, Eclipses, Eclipsing Binary Stars, Image Processing, Imaging Techniques, Intensity, Mapping, Accretion Disks, Light Curve, Maximum Entropy Method, Maximum Likelihood Estimates, Stellar Radiation

Scientific paper

A recent algorithm by Lucy is used for the problem of mapping the intensity distribution of an object elipsed by a companion star, and is found to be an efficient way of obtaining solutions of the maximum entropy type. More general default maps than the standard axisymmetric one are explored; they allow some reduction of the artifacts in eclipse maps. It is shown that reconstruction of the intensity distribution on a surface parallel to the orbital plane is a special case in which the forward and backward projection steps can be done much more efficiently.

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