On the line profiles in the spectra of the zodiacal light.

Details On the line profiles in the spectra of the zodiacal light. On the line profiles in the spectra of the zodiacal light.

Apr 1996

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996a%26a...308..273c&link_type=abstract

Astronomy and Astrophysics, v.308, p.273-278

Astronomy and Astrophysics

Astrophysics

5

Interplanetary Medium: Scattering

Scientific paper

The model proposed by Hong (1985) describing the surface brightness variation with elongation of the Zodiacal Light has been applied to predict the spectral line profiles produced by Doppler effects associated with scattering from interplanetary dust for the simple case of prograde Keplerian orbits. Over the greater elongation range, the predictions are substantially the same as for previous models but with shallower line depths and more pronounced asymmetries. At elongations ~30deg and less, however, Hong's mixture of phase angle scattering functions predicts bifurcation of the lines so providing an alternative explanation to the two dust stream model of Beavers et al. (1980) proposed as the interpretation of their spectra of the F corona. The work also highlights a general problem of using radial velocity correlation masks for investigations of Zodiacal Light spectra.

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