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| Paper: |
Measuring the Effective Magnetic Field of Cold Active Star
ε Eri Using the "Slope" Method |
| Volume: |
526, Solar Polarization Workshop 8 |
| Page: |
185 |
| Authors: |
Scalia, C.; Leone, F.; Gangi, M. |
| Abstract: |
We combine high resolution spectro-polarimetric observations of
the cold active star ε Eridani obtained with HARPS, NARVAL and
CAOS (Catania Astrophysical Observatory Spectropolarimeter).
We develop a code for the measurement of the effective magnetic field
based on the slope method, and we measure the effective magnetic
field of ε Eri, reporting a periodical variation of
the longitudinal field of the star, which is probably
due to a dynamo process. |
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