Open Access
Table 1
Measured relative quadrant polarization parameters for HR 4796A, deviations Δ (in %) from left–right symmetry and ratios Λ for back–front flux ratios.
Stokes Qd quadrants | Stokes Ud quadrants | ||
---|---|---|---|
Relative quadrant polarization (errors: ≈ ± 0.010) | |||
![]() |
− 0.04 (a) | ![]() |
− 0.031 |
![]() |
+ 0.385 | ![]() |
+ 0.212 |
![]() |
− 0.076 (b) | ![]() |
− 0.159 |
![]() |
+ 0.343 | ![]() |
+ 0.033 |
Quadrant sums (errors: ≈ ± 0.030) | |||
![]() |
+ 0.652 (c) | ![]() |
+ 0.055 |
![]() |
0.804 (c) | ![]() |
0.435 |
Left–right asymmetry parameters | |||
![]() |
+ 6 ± 2% | ![]() |
+ 14 ± 4% |
![]() |
− 3 ± 23% | ||
Back–front parameter ratios | |||
![]() |
<0.6 | ![]() |
0.15 ± 0.07 |
![]() |
0.21 ± 0.09 | ||
Special back–front parameter ratios | |||
Λa = (|Q090| + |Q270|)∕(2 |Q180|) | 4.8 ± 0.7 | ||
Λb = (|Q090| + |Q270|)∕(|U135| + |U225|) | 2.0 ± 0.2 |
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