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Attempts to Observe the Absolute Intensity and the Centre-to-Limb Variations of the Sun in the Vacuum Ultraviolet Region

Published online by Cambridge University Press:  14 August 2015

K. Nishi  and
Z. Suemoto
K. Nishi
Affiliation:
Tokyo Astronomical Observatory, Mitaka near Tokyo, Japan
Z. Suemoto
Affiliation:
Tokyo Astronomical Observatory, Mitaka near Tokyo, Japan

Abstract

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Calibration for two rocket-borne spectrometers to observe the absolute intensity and the centre-to-limb variations of the Sun between 1500 Å and 2000 Å is described. The procedure of the calibration is divided into two parts, (a) the measurements of the transmission of the spectrometers, and (b) the absolute detector calibration.

The double dispersive spectrometer has been planned to be launched in September 1970, but it was postponed until the coming winter, and the single dispersive spectrometer will be launched in January 1971.

Type
Part III: UV Astronomy
Information
Symposium - International Astronomical Union , Volume 41: New Technique in Space Astronomy , 1971 , pp. 393 - 397
Copyright
Copyright © Reidel 1971 

References

Gingerich, O. and de Jager, C.: 1968, Solar Phys. 3, 1.Google Scholar
Keizo, Nishi: 1967, Publ. Astron. Soc. Japan 19, 323.Google Scholar
Parkinson, W. H., and Reeves, E. M.: 1969, Solar Phys. 10, 342.CrossRefGoogle Scholar
Widing, K. G., Purcell, J. D., and Sandlin, G. D.: 1970, Solar Phys. 12, 52.CrossRefGoogle Scholar