Near IR variability of the quiet sun

Details Near IR variability of the quiet sun Near IR variability of the quiet sun

Oct 1979

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1979natur.281..463m&link_type=abstract

Nature, vol. 281, Oct. 11, 1979, p. 463, 464.

Astronomy and Astrophysics

Astronomy

1

Infrared Astronomy, Near Infrared Radiation, Solar Activity, Solar Radiation, Solar Spectra, Carbon Monoxide, Periodic Variations, Salyut Space Station, Solar Flux Density, Solar Spectrometers

Scientific paper

Observations of the solar spectrum from the Salyut-5 orbital station are discussed. The station served as an inertial observing platform, pointing to within an accuracy of a few arcmin; stability was maintained via a solar imaging camera with 2.5 sec between images. Of the spectra taken on 1, 4, and 5 August 1976 and 16 February 1977, 46 were chosen from the east-south part of the solar disk, where independent data showed no solar activity such as spots or flares. Curves are plotted, showing the results of averaging each group of spectra in the wavelength range 4-6 microns where CO variability was observed. The observed CO variability is asserted to be real and intrinsic to the quiet sun. CO formation and destruction may provide an important sink and source of energy for the maintenance of the acoustic, gravity, and magnetoacoustic waves responsible for coronal heating.

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