Astronomy and Astrophysics – Astronomy
Scientific paper
Feb 1980
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980pasp...92...52d&link_type=abstract
Astronomical Society of the Pacific, Publications, vol. 92, Feb.-Mar. 1980, p. 52-55.
Astronomy and Astrophysics
Astronomy
6
Astronomical Spectroscopy, Diffuse Radiation, Interstellar Extinction, Magellanic Clouds, Electrophotometry, Interstellar Radiation, Line Spectra, Spectral Line Width, Stellar Spectra
Scientific paper
The 2200 A extinction feature has been measured from ANS observations of 30 stars. For each star, the depth of the 2200 A feature is compared to E(B-V) and the equivalent width of the diffuse band 4430 A. A good correlation appears out to E(B-V) = 1.13. The various mechanisms for producing the diffuse and 2200 A features are discussed and a discriminatory test is put forward based on observations of the Magellanic Clouds.
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