Theoretical brightness temperature profiles of atmospheric pure H2 rotational quadrupole lines: Jupiter and Uranus |
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| Authors: | D Goorvitch C Chackerian |
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| Institution: | Ames Research Center, NASA, Moffet Field, California 94035, USA |
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| Abstract: | With the advent of high-resolution instruments and their use high above most of the telluric water vapor, we can expect to observe the hydrogen pure rotational quadrupole lines at 28, 17, and 12 μm from the atmospheres of the outer planets. We have calculated the best values for the line strengths, pressure-broadening coefficients, diffusion constants, and pressure shifts for these rotational transitions. We have used the collisionally narrowed Galatry profile to calculate brightness temperature line profiles for these H2 transitions for the outer planets Jupiter and Uranus. We have also included the effect of the H2 rotational-translational continuum and the NH3ν2 band. |
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