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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 10, Iss. 5 — May. 1, 1971
  • pp: 1125–1128

Signal Averaging Astronomical Spectrophotometer

R. K. Honeycutt  »View Author Affiliations


Applied Optics, Vol. 10, Issue 5, pp. 1125-1128 (1971)
http://dx.doi.org/10.1364/AO.10.001125


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Abstract

The construction and performance of a rapid scan spectrophotometer is described. The system uses a 1024–channel signal averager to accumulate many rapid spectral scans so as to average out slow changes in sky transparency. Wavelength programming is provided so that multicolor narrow-band photometry is possible in the signal averaging mode. Observations were made using a variety of scan speeds and sky conditions to evaluate the gains in accuracy compared to conventional slow scans. With sufficiently high scan speeds, it is possible to work on partly cloudy nights with only a factor of 2 loss in accuracy.

© 1971 Optical Society of America

History
Original Manuscript: November 13, 1970
Published: May 1, 1971

Citation
R. K. Honeycutt, "Signal Averaging Astronomical Spectrophotometer," Appl. Opt. 10, 1125-1128 (1971)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-10-5-1125

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