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Abstract: Within the last 10 years, long-baseline optical interferometry LBOI hasbenefited significantly from increased sensitivity, spatial resolution, andspectral resolution, e.g., measuring the diameters and asymmetries of singlestars, imaging-fitting the orbits of multiple stars, modeling Be star disks,and modeling AGN nuclei. Similarly, polarimetry has also yielded excellentastrophysical results, e.g., characterizing the atmospheres and shells of redgiants-supergiants, modeling the envelopes of AGB stars, studying themorphology of Be stars, and monitoring the short- and long- term behavior ofAGNs. The next logical evolutionary step in instrumentation is to combine LBOIwith polarimetry, which is called optical interferometric polarimetry OIP. Inother words, measurements of spatial coherence are performed simultaneouslywith measurements of coherence between orthogonal polarization states.



Author: Nicholas M. Elias II, Carol E. Jones, Henrique R. Schmitt, Anders M. Jorgensen, Michael J. Ireland, Karine Perraut

Source: https://arxiv.org/







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