An extragalactic constraint on local galactic reddening

Details An extragalactic constraint on local galactic reddening An extragalactic constraint on local galactic reddening

Apr 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987mnras.225..769s&link_type=abstract

Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 225, April 15, 1987, p. 769-776.

Astronomy and Astrophysics

Astronomy

4

Balmer Series, Hydrogen Clouds, Interstellar Extinction, Milky Way Galaxy, Astronomical Models, Astronomical Spectroscopy

Scientific paper

Balmer-line flux ratios in H II galaxies are used to constrain models of the reddening local to our Galaxy. The distribution of flux ratios suggests a shallow slope for the cosec |b| dependence of E(B-V), rejecting with a 95 per cent confidence level values higher than 0.066. The presence of line-ratios close to the theoretical (unreddened) value suggests that there are at least some reddening-free sight-lines.

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