Spectropolarimetry of the 3.4 m Band in the Quintuplet

J.E. Chiar, A.J. Adamson, T.H. Kerr, R.E. Mason, G. Wright, D.C.B. Whittet, A. Chrysostomou, J. Hough, P.F. Roche

Research output: Chapter in Book/Report/Conference proceedingConference contribution

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Abstract

We present spectropolarimetry of the 3.4?m solid hydrocarbon absorption feature arising in the ISM toward the Quintuplet member GCS3-II, permitting for the first time a comparison of the hydrocarbon and silicate polarizations in the same line of sight. The hydrocarbon band is not measurably polarized, strengthening our previous conclusion that the silicates and carbonaceous grains form distinct populations.
Original languageEnglish
Title of host publicationIn: Astronomical Polarimetry: Current Status and Future Directions - ASP Conf Series 343
PublisherAstronomical Society of the Pacific
Pages352-6
ISBN (Print)978-1-58381-277-8, 1-58381-210-5
Publication statusPublished - 2005

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