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| Paper: |
Modeling the Galactic Magnetic Field Using Rotation Measure Observations in the
Galactic Disk from the CGPS, SGPS, and the VLA |
| Volume: |
438, The Dynamic Interstellar Medium: A Celebration of the Canadian Galactic Plane Survey |
| Page: |
236 |
| Authors: |
Van Eck, C. L.; Brown, J. C. |
| Abstract: |
Interstellar magnetic fields play critical roles in many astrophysical processes.
Yet despite their importance, our knowledge about magnetic fields in our Galaxy
remains limited. For the field within the Milky Way, much of what we do know comes
from observations of polarisation and Faraday rotation measures (RMs) of
extragalactic sources and pulsars. A high angular density of RM measurements in
several critical areas of the Galaxy is needed to clarify the Galactic magnetic
field structure.
Using observations made with the VLA, we have determined RMs for sources in
regions of the Galactic plane not covered by the Canadian Galactic Plane Survey
(CGPS) and Southern Galactic Plane Survey (SGPS). We have combined these new
RMs with those determined from the CGPS and SGPS and have produced a new model
for the magnetic field of the Galactic disk. |
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