Area scanner observations of close visual double stars. I - Technique

Details Area scanner observations of close visual double stars. I - Technique Area scanner observations of close visual double stars. I - Technique

Feb 1983

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983mnras.202..753w&link_type=abstract

Monthly Notices of the Royal Astronomical Society, vol. 202, Feb. 1983, p. 753-760. Research supported by the Council of Scient

Computer Science

Performance

6

Binary Stars, Stellar Spectrophotometry, Visual Observation, Image Motion Compensation, Numerical Control, Scanners, Stellar Magnitude

Scientific paper

A description is presented of the construction and performance of a computer-controlled area scanner, and its ability to produce high quality one-dimensional intensity profiles of close visual double stars is demonstrated. An innovative feature of the technique is the use of on-line cross-correlation to remove the smearing effects of image motions. Good fits to Franz's analytical stellar intensity profiles are obtained, which then provide differential magnitudes and, in some cases, linear separations. The possibility of obtaining individual magnitudes of the components of systems with separations considerably less than 1 arcsec is illustrated.

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