Astronomy and Astrophysics – Astrophysics
Scientific paper
Oct 1988
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988apj...333..673b&link_type=abstract
Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 333, Oct. 15, 1988, p. 673-688.
Astronomy and Astrophysics
Astrophysics
103
Astronomical Photometry, Cosmic Dust, Disk Galaxies, Light Scattering, Radiative Transfer, Stellar Spectra, Interstellar Extinction, Interstellar Matter, Red Shift, Spiral Galaxies
Scientific paper
The radiative transfer equation is solved for a mixture of stars and dust grains distributed homogeneously in an infinite plane-parallel configuration. The effects of absorption and multiple scattering of light due to dust grains with the same optical properties as the interstellar dust in the Galaxy and in the LMC are evaluated and compared. The results are presented in the form of correction terms as a function of wavelength in the range 1200 to 18000 Å, inclination angle, and optical depth of the system. These terms can be used to correct the spectrum of a mixture of stars and dust to obtain the spectrum of the stellar component alone, or to introduce reddening into a synthetic galaxy spectrum. The authors compute magnitudes and colors as a function of redshift for galaxies seen at different inclination angles and with different values of the optical depth through the plane of the galaxy.
Bruzual Gustavo A.
Calvet Nuria
Magris Gladis
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