GMIMS: The Global Magneto-Ionic Medium Survey
M. Wolleben, T. L. Landecker, E. Carretti, J. M. Dickey, A. Fletcher,, B. M. Gaensler, J. L. Han, M. Haverkorn, J. P. Leahy, N. M., McClure-Griffiths, D. McConnell, W. Reich, A. R. Taylor
TL;DR
GMIMS is a comprehensive survey mapping the large-scale polarized emission of the entire sky from 300 MHz to 1.8 GHz, providing crucial data for understanding the Galaxy's magneto-ionic medium.
Contribution
It presents the first all-sky spectro-polarimetric data set of diffuse polarized emission at these frequencies using single-dish telescopes.
Findings
First all-sky spectro-polarimetric data set
High-resolution polarization maps of the Galaxy
Enhanced understanding of the magneto-ionic medium
Abstract
The Global Magneto-Ionic Medium Survey (GMIMS) is a project to map the diffuse polarized emission over the entire sky, Northern and Southern hemispheres, from 300 MHz to 1.8 GHz. With an angular resolution of 30 - 60 arcmin and a frequency resolution of 1 MHz or better, GMIMS will provide the first spectro-polarimetric data set of the large-scale polarized emission over the entire sky, observed with single-dish telescopes. GMIMS will provide an invaluable resource for studies of the magneto-ionic medium of the Galaxy in the local disk, halo, and its transition.
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