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A survey of diffuse interstellar bands in the Andromeda galaxy: optical spectroscopy of M31 OB stars
dust extinction – galaxies individual (M31) – galaxies ISM – ISM H ii regions – ISM
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2010/11/10
We present the largest sample to-date of intermediate-resolution blue-to-red optical spectra of B-type supergiants in M31 and undertake the first survey of diffuse interstellar bands (DIBs) in this ga...