The 4430 A interstellar absorption band in the spectra of LMC supergiants

Details The 4430 A interstellar absorption band in the spectra of LMC supergiants The 4430 A interstellar absorption band in the spectra of LMC supergiants

Apr 1980

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980a%26a....84..377h&link_type=abstract

Astronomy and Astrophysics, vol. 84, no. 3, Apr. 1980, p. 377, 378.

Astronomy and Astrophysics

Astrophysics

7

Absorption Spectra, Interstellar Extinction, Magellanic Clouds, Stellar Spectra, Supergiant Stars, Ultraviolet Absorption, Galactic Structure

Scientific paper

The diffuse 4430 Å feature of interstellar origin in the Large Magellanic Cloud has been studied from the spectra of a number of reddened and comparison early type supergiants in the LMC. The spectra were obtained at a dispersion of 29 Å/mm between 4200 and 4720 Å with the ESO 3.6 m telescope. The strength of the 4430 Å absorption in the mean spectrum of the reddened LMC stars is compatible with that predicted from the mean colour excess, EB-V, by the mean galactic relationship between W4430 and EB-V.

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