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Table 4
CN cartography of IRC+10216.
| Position | Blos | δ Blos | | Br∗ | | | C1 | | C2 |
| arcsec | [mG] | [mG] | [G] | × 10-3 | [Hz] |
|
|
|||||
| +0 +0a | ≤ 1.6 | ≤ 1.1 | 1.05 | 530 | |
| –10 +20a | 9.5 | 5.5 | 7.2 | 3.0 | 800 |
| +15 –15a | –2.0 | 6.7 | 1.5 | 0.55 | 750 |
|
|
|||||
| -18 +10 | 4.4 | 1.8 | 3.3 | 12 | no |
| –18 –10 | ≤ 3.5 | ≤ 2.7 | 12 | no | |
| +18 –04 | 3.0 | 0.5 | 2.2 | 14 | no |
| +20 +16 | –7.5 | 1.2 | 5.7 | 10 | no |
Notes. For each position, Br∗ is the extrapolated strength of the magnetic field (following a 1 /r law) at one stellar radius (the CN layer is at 2500 AU, i.e. 21′′, the stellar radius being 3.3 AU).
(a)
Observations made in 2006 before the optics modification (see Sect. 4.2).
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