Astronomy and Astrophysics – Astronomy
Scientific paper
Jan 2011
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011aas...21724115c&link_type=abstract
American Astronomical Society, AAS Meeting #217, #241.15; Bulletin of the American Astronomical Society, Vol. 43, 2011
Astronomy and Astrophysics
Astronomy
Scientific paper
The Galactic Plane Infrared Polarization Survey (GPIPS) is nearing completion on the 1.83m Perkins telescope outside Flagstaff, Arizona using the Mimir instrument configured as a near-infrared imaging polarimeter. The 10x10 arcmin field of view captures H-band (1.6 um) images of thousands of stars in every image, with about 150-300 stars in each field being bright enough for polarimetric analysis. GPIPS comprises 3,226 of these overlapping fields, covering 76 square degrees in the midplane (b to +/- 1 deg.) of the first Galactic quadrant.
GPIPS is now 72% completed and will release science-quality data to the community this spring. Over the past year, data processing pipelines have reached a stable maturity and calibration of instrumental polarization across the field of view has been achieved. Examples of fully calibrated, large-scale polarization maps that delineate the plane-of-sky magnetic field directions will be presented at this poster for fields containing diffuse ISM, infrared dark clouds, infrared stellar clusters, and stellar bubbles. Additionally, the set of data quantities to be contained in the release data will be presented and available for discussion and modification, based on community input. The polarization maps are spectacular - come take a look.
Supported by NSF grant AST 09-07790
Bartlett M.
Clemens Dan P.
Marchwinski Robert
Moreau John
Pavel Michael
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