Four UV observations of the interstellar wind by Mariner 10 - Analysis with spherically symmetric solar radiation models

Details Four UV observations of the interstellar wind by Mariner 10 - Analysis with spherically symmetric solar radiation models Four UV observations of the interstellar wind by Mariner 10 - Analysis with spherically symmetric solar radiation models

Mar 1979

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1979a%26a....73..260a&link_type=abstract

Astronomy and Astrophysics, vol. 73, no. 3, Mar. 1979, p. 260-271.

Astronomy and Astrophysics

Astronomy

21

Far Ultraviolet Radiation, Interstellar Matter, Mariner 10 Space Probe, Solar Radiation, Spaceborne Astronomy, Stellar Winds, Density Measurement, Helium, Hydrogen Clouds, Oao 3, Stellar Models, Velocity Measurement

Scientific paper

Four Mariner 10 observations of interplanetary hydrogen 1216-A and helium 584-A emissions are analyzed by using radiation models that employ spherically symmetric solar radiation fields. It is shown that the measured 584-A intensities can be represented with a statistical accuracy of about 10% by a model that assumes spherical symmetry for the 584-A solar radiation and that the 1216-A intensities can be represented to within 15% by a model based on spherically symmetric solar corpuscular and EUV radiation. An interstellar wind velocity of 22 km/s, a helium number density of 0.008 per cu cm, and an interstellar neutral-gas temperature of 1500 K near the solar system are obtained from Copernicus satellite measurements.

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