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The relationship between infrared, optical, and ultraviolet extinction

The relationship between infrared, optical, and ultraviolet extinction,10.1086/167900,Astrophysical Journal,Jason A. Cardelli,Geoffrey C. Clayton,John

The relationship between infrared, optical, and ultraviolet extinction   (Citations: 789)
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The parameterized extinction data of Fitzpatrick and Massa (1986, 1988) for the ultraviolet and various sources for the optical and near-infrared are used to derive a meaningful average extinction law over the 3.5 micron to 0.125 wavelength range which is applicable to both diffuse and dense regions of the interstellar medium. The law depends on only one parameter R(V) = A(V)/E(B-V). An analytic formula is given for the mean extinction law which can be used to calculate color excesses or to deredden observations. The validity of the law over a large wavelength interval suggests that the processes which modify the sizes and compositions of grains are stochastic in nature and very efficient. 49 refs.
Journal: Astrophysical Journal - ASTROPHYS J , vol. 345, 1989
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    • ...All the spectra from the sample are passed first to a preprocessing module where they were brought to the rest frame, using the redshift given in the SDSS database, corrected for extinction, using the maps given by Schlegel, Finkbeiner & Davis [13] and the extinction law of Cardelli [14], sampled from 3800 ˚ A to 8000 ˚ A in steps of 1 ˚...

    Juan Carlos Gomezet al. Using Evolution Strategies to perform stellar population synthesis for...

    • ...To describe the net optical effect of the very large number of different dust grains illuminated by polychromatic, unpolarized light, astrophysicists frequently resort to only two (weakly wavelength-dependent) scalar parameters: the ensemble values for the albedo and for the single-particle scattering anisotropy of the dust [3, 31, 10]...
    • ...Cardelli et al. [3] give an empirical formula to nd the extinction A for the U and R band relative to the V band for arbitrary RV values...
    • ...We intend to make use of additional observations in the infrared [3] to be able to better constrain the reconstruction problem...

    Marcus A. Magnoret al. Reflection Nebula Visualization

    • ...To describe the net optical effect of the very large number of different dust grains illuminated by polychromatic, unpolarized light, astrophysicists frequently resort to only two (weakly wavelength-dependent) scalar parameters: the ensemble values for the albedo and for the single-particle scattering anisotropy of the dust [3, 31, 10]...
    • ...Cardelli et al. [3] give an empirical formula to nd the extinction A for the U and R band relative to the V band for arbitrary RV values...
    • ...We intend to make use of additional observations in the infrared [3] to be able to better constrain the reconstruction problem...

    Marcus A. Magnoret al. Reflection nebula visualization

    • ...band extinction at H� (6563 û is much less than that at Ly� (1215 û (ALy�/AH� = 4.28 for the extinction curve used by Cardelli et al., 1989)...

    Paul P. van der Werfet al. Probing the evolution of galaxies using redshifted H-alpha emission

    • ...Reddening of sources within our galaxy is well documented [14]...

    Sanjeev S. Seahra. Cosmological Constant or Grey Dust?

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