Infrared interstellar extinction in the LMC

Details Infrared interstellar extinction in the LMC Infrared interstellar extinction in the LMC

Jun 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982mnras.199..979m&link_type=abstract

Monthly Notices of the Royal Astronomical Society, vol. 199, June 1982, p. 979-986.

Astronomy and Astrophysics

Astronomy

52

Early Stars, Infrared Astronomy, Interstellar Extinction, Magellanic Clouds, Stellar Spectrophotometry, Supergiant Stars, Electron Emission, Emission Spectra, Iue, Line Spectra, Stellar Envelopes, Stellar Spectra

Scientific paper

J(1.25 micron), H(1.65 micron) and K(2.20 microns) magnitudes are presented for early-type supergiants in the Large Magellanic Cloud, the observations being obtained with the AAO Infrared Photometer on the 3.9-m Anglo-Australian telescope. A value of 3.21 + or - 0.13 for the ratio of total to selective extinction is derived for the LMC from the color excess ratio. This value is the same as the mean value of the extinction ratio for the Galaxy within the errors of observations. The emission line stars show infrared excesses which are consistent with emission from electrons in shells around the stars.

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