Interstellar polarization at 3.6 μm

Terry Jay Jones

Research output: Contribution to journalArticlepeer-review

13 Scopus citations

Abstract

We present broadband polarimetry at 3.6 μm of six stars reddened by the interstellar medium. The observed polarization is higher than expected when compared to the predictions of grain models incorporating traditional, large, astronomical silicates. An extra absorbing component, probably broadband in nature, must be present on the large silicate grains. This absorption component must show a significant increase from 2 to 4 μm.

Original languageEnglish (US)
Pages (from-to)1894-1896
Number of pages3
JournalAstronomical Journal
Volume99
Issue number6
DOIs
StatePublished - Jun 1990

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