Table 7
Magnetic characteristics of 37 Com (present study), V390 Aur, β Ceti, and EK Eri.
| Pol. comp. | Dipole comp. | Quad. comp. | Oct. comp. | Axi. comp. | |
| Name | (% tot) | (% pol) | (% pol) | (% pol) | (% tot) |
|
|
|||||
| Dynamo action | |||||
| 37 Com | 88.0 | 22.2 | 29.2 | 26.7 | 27.3 |
| V390 Aur | 87.0 | 25.5 | 15.7 | 12.5 | 46.7 |
|
|
|||||
| Fossil field origin | |||||
| β Ceti 2010 | 96.7 | 83.2 | 20.8 | 6.2 | 77.1 |
| β Ceti 2011/2012 | 96.5 | 85.4 | 11.3 | 4.0 | 74.4 |
| EK Eri | >99 | 91.6 | 5.6 | 2.8 | 80.6 |
Notes. 2nd to 5th columns list the fraction of the large-scale magnetic energy reconstructed in the poloidal field component, the fraction of the poloidal magnetic energy stored in the dipolar (l = 1), quadrupolar (l = 2) and octopolar (l = 3) components, and the fraction of the energy stored in the axisymmetric component (m = 0).
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