UV extinction properties of carina nebular dust

Details UV extinction properties of carina nebular dust UV extinction properties of carina nebular dust

Feb 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993arcl.rept.....m&link_type=abstract

Final Report, 9 Jan. 1991 - 8 Feb. 1993 Applied Research Corp., Landover, MD.

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Astronomical Spectroscopy, Cosmic Dust, Galactic Clusters, Interstellar Extinction, Molecular Clouds, Open Clusters, Ultraviolet Astronomy, Ultraviolet Radiation, Ultraviolet Spectra, Computational Astrophysics, Cosmic Gases, Geometrical Optics, Interstellar Matter, Iue, Line Spectra

Scientific paper

I have performed an analysis of the UV extinction by dust along the line of sight to the young open cluster Tr 16. The observed curves are parameterized in order to extract quantitative information about the structure of the curves. Furthermore, by constructing differential extinction curves, obtained by differencing curves for stars which lie within a few arc seconds of each other on the sky, I was able to obtain a curve which is free of the effects of foreground extinction, and represents the extinction by the dust in the Tr 16 molecular cloud. I then show that this curve is nearly identical to one due to dust in the Orion molecular cloud. This result shows that dust in the Carina arm exhibits the same behavior as that in the local arm.

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