Astronomy and Astrophysics – Astrophysics
Scientific paper
Jul 1978
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1978apj...223..421j&link_type=abstract
Astrophysical Journal, Part 1, vol. 223, July 15, 1978, p. 421-425. NSF-supported research.
Astronomy and Astrophysics
Astrophysics
21
Elliptical Galaxies, Interstellar Matter, Linear Polarization, Stellar Evolution, Hydrogen Clouds, Rayleigh Scattering, Stellar Luminosity
Scientific paper
We have computed the polarization produced by a cloud of Rayleigh scatterers immersed within a spherically symmetric distribution of light. This calculation might be appropriate for an optically thin interstellar cloud within an elliptical galaxy. Outside the cores of ellipticals, it seems quite possible that the total observed light might be as much as 10% polarized. Consequently, in many cases, polarization is a more sensitive probe of the presence of interstellar matter than direct photometry.
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