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Applied Optics

Applied Optics


  • Vol. 9, Iss. 12 — Dec. 1, 1970
  • pp: 2661–2665

Photoelectric System for Extreme Solar Limb Darkening Observation in Different Wavelengths with High Resolution Time

G. A. De Biase  »View Author Affiliations

Applied Optics, Vol. 9, Issue 12, pp. 2661-2665 (1970)

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The apparatus used by the Rome Astronomical Observatory expedition for the measurement of the extreme solar limb darkening at the total solar eclipse, on 7 March 1970, in Mexico, is described here. For the measurements, the method of Julius is followed. The apparatus consists of a photoelectric photometer with a mechanical chopper, which alternatively inserts the different color filters. The recording and command system is also described.

© 1970 Optical Society of America

Original Manuscript: June 12, 1970
Published: December 1, 1970

G. A. De Biase, "Photoelectric System for Extreme Solar Limb Darkening Observation in Different Wavelengths with High Resolution Time," Appl. Opt. 9, 2661-2665 (1970)

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  1. M. Cimino, V. Croce, G. A. De Biase, Atti Accad. Naz. Lincei, Rend. 48, 2, 514 (1970).
  2. M. Hubenet, C. de Jager, Bull. Astron. Inst. Neth. 13, 43 (1956).
  3. J. R. W. Heintze, Bull. Astron. Inst. Neth. 20, 137 (1969).
  4. L. Goldberg, A. K. Pierce, Handbuch Physik 52, 12 (1959).
  5. M. Mädlow, Astron. Nachr. 286, 271 (1961). [CrossRef]
  6. C. B. Watts, The Marginal Zone of the Moon (U.S. Govt. Printing Office, Washington, D. C., 1963).
  7. M. Cimino, G. A. De Biase, U. Bartolini, Mem. SAI 39, 125 (1968).

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