Table 2
Magnetic spots on ξ Boo A and ξ Boo B in May 2019.
| Spot ID | Long (°) | Lat (°) | A (%) | Bmax (G) |
|---|---|---|---|---|
| ξ Boo A | ||||
| P | ≈180 | +77 | 9.0 | −80 |
| A | 0 | +50 | 5.5 | +90 |
| B | 111 | +43 | 3.8 | +85 |
| C | 235 | +28 | 6.2 | +115 |
| ξ Boo B | ||||
| A | 14 | +19 | 1.7 | +30 |
| B | 60 | +55 | 2.1 | −15 |
| C | 129 | +42 | 4.0 | +30 |
| D | 212 | +38 | 9.5 | −50 |
| E | 311 | +22 | 6.6 | −50 |
Notes. Longitudes and latitudes are given for the approximate spot center. The letter numbering is with increasing longitude. Spot area A is given for the radial field as a percentage of the entire surface and for the extent of the magnetic feature down to an arbitrary threshold contrast of plus or −35 G for ξ Boo A and plus or −15 G for ξ Boo B. Bmax is the 95 percentile peak radial-field-flux density.
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