Other
Scientific paper
May 2011
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011aas...21823101p&link_type=abstract
American Astronomical Society, AAS Meeting #218, #231.01; Bulletin of the American Astronomical Society, Vol. 43, 2011
Other
Scientific paper
We present near-infrared H-band (1.6 microns) imaging polarimetry of open clusters taken with Mimir on the Perkins telescope outside Flagstaff, AZ. Over half of the 30+ clusters are located within the GPIPS region, an H-band background starlight polarization survey spanning L = 18 to 56 degrees and B = -1 to +1 degrees, and the remaining clusters are located in the outer Galaxy, from L = 119 to 215 degrees and B = -5 to +32 degrees. Membership within a cluster is assessed from a variety of methods, and is largely dependent on available data in the literature. The trends with longitude in degree of polarization and angle of polarization of the NIR polarimetry are compared to available optical polarimetry trends. These show both correspondences and deviations from each other. The large scale structure of the Galactic magnetic field, as well as the large scale distribution of polarizing dust, is discussed. This work partially supported by NSF grants AST 06-07500 and 09-07790.
Clemens Dan P.
Pavel Michael
Pinnick April
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