Astronomy and Astrophysics – Astronomy
Scientific paper
Dec 1980
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980azh....57.1331k&link_type=abstract
(Astronomicheskii Zhurnal, vol. 57, Nov.-Dec. 1980, p. 1331-1338.) Soviet Astronomy, vol. 24, Nov.-Dec. 1980, p. 766-770. Trans
Astronomy and Astrophysics
Astronomy
Interference, Obliqueness, Optical Filters, Stellar Spectrophotometry, Binary Stars, Electrophotometry, Error Analysis, H Alpha Line, Light Beams, Photometers, X Ray Sources
Scientific paper
The results of an investigation of interference filters in oblique diverging light beams are described. It is shown that by tilting an interference filter with a band of about 30 A to the optical axis of a photometer it is possible to shift the pass band by up to about 200 A to the short-wavelength side of the spectrum without a significant change in the characteristics of the filter. Estimates are made of the possible errors connected with the use of oblique interference filters in photoelectric stellar photometry and it is shown that these errors are less than 1%. A device is described which provides for setting the wavelength of the transmission maximum with an accuracy of 1-2 A. The use of oblique interference filters for narrow-band photoelectric observations of X-ray binary systems in the H-alpha emission line and the continuum proved to be very effective.
Cherepashchuk Anatol M.
Kornilov V. G.
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