The Interstellar 4430A Band in the Small Magellanic Cloud

Details The Interstellar 4430A Band in the Small Magellanic Cloud The Interstellar 4430A Band in the Small Magellanic Cloud

Jul 1985

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985mnras.215p...5h&link_type=abstract

Monthly Notices of the Royal Astronomical Society, Vol. 215, NO.1/JUL01, P. 5P, 1985

Astronomy and Astrophysics

Astronomy

6

Scientific paper

The 4430 Å diffuse interstellar absorption band is found to be present in the spectra of reddened early-type stars in the Small Magellanic Cloud. This is observed for stars having the usual SMC extinction law with no 2200 Å feature, as well as for a star having an abnormal extinction curve with a strong 2200 Å feature. If the interpretation of the usual SMC interstellar extinction law in terms of a very small proportion of graphite grains is valid then this result suggests that the 4430 Å band is not directly associated with graphite.

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