Table 5
VEGA observations of ϵ Aurigae in high resolution mode around Hα.
| RJD | Phase | RV shift | Width | V Min,Gauss | Size |
| (km s-1) | (km s-1) | (mas) | |||
|
|
|||||
| 55 140.864 | −0.026 | 18.8 ± 8.7 | 115.8 ± 22.5 | 0.67 ± 0.10 | 1.3 ± 0.2 |
| 55 141.051 | −0.026 | 1.1 ± 0.2 | 111.2 ± 0.3 | 0.56 ± 0.05 | 1.7 ± 0.2 |
| 55 152.849 | −0.025 | 6.7 ± 3.0 | 91.3 ± 7.7 | 0.40 ± 0.07 | 2.0 ± 0.2 |
| 55 153.063 | −0.025 | 10.2 ± 2.1 | 69.5 ± 5.2 | 0.37 ± 0.05 | 2.4 ± 0.2 |
|
|
|||||
| 55 408.985 | 0.001 | −3.5 ± 3.7 | 154.0 ± 9.9 | 0.27 ± 0.05 | 2.6 ± 0.2 |
| 55 409.989 | 0.001 | −12.9 ± 5.3 | 128.8 ± 14.2 | 0.50 ± 0.06 | 1.8 ± 0.2 |
| 55 435.002 | 0.003 | −35.5 ± 16.3 | 163.7 ± 45.6 | 0.74 ± 0.08 | 1.2 ± 0.2 |
| 55 435.944 | 0.003 | −11.7 ± 8.1 | 141.1 ± 22.3 | 0.71 ± 0.07 | 1.3 ± 0.2 |
| 55 436.010 | 0.003 | 2.2 ± 5.2 | 149.2 ± 14.2 | 0.40 ± 0.06 | 2.0 ± 0.2 |
| 55 457.040 | 0.005 | −0.2 ± 5.3 | 142.2 ± 14.1 | 0.45 ± 0.05 | 1.9 ± 0.2 |
| 55 457.891 | 0.006 | 16.5 ± 6.1 | 185.3 ± 18.5 | 0.59 ± 0.05 | 1.6 ± 0.2 |
| 55 458.012 | 0.005 | 13.2 ± 7.5 | 135.2 ± 20.3 | 0.53 ± 0.07 | 1.7 ± 0.2 |
| 55 480.796 | 0.008 | −10.2 ± 7.5 | 173.5 ± 21.0 | 0.60 ± 0.06 | 1.6 ± 0.2 |
| 55 481.030 | 0.008 | −22.2 ± 4.2 | 112.1 ± 10.8 | 0.34 ± 0.05 | 2.3 ± 0.2 |
|
|
|||||
| 55 774.969 | 0.038 | −3.5 ± 2.6 | 86.9 ± 6.7 | 0.39 ± 0.06 | 1.9 ± 0.1 |
| 55 804.956 | 0.041 | −1.3 ± 3.8 | 95.2 ± 9.6 | 0.38 ± 0.06 | 2.4 ± 0.2 |
| 55 824.864 | 0.043 | −11.1 ± 1.3 | 87.7 ± 3.4 | 0.18 ± 0.04 | 2.7 ± 0.2 |
| 55 825.020 | 0.043 | −10.5 ± 1.8 | 99.0 ± 4.6 | 0.34 ± 0.04 | 2.5 ± 0.2 |
| 55 848.878 | 0.045 | −3.7 ± 1.6 | 91.2 ± 4.2 | 0.26 ± 0.04 | 2.5 ± 0.1 |
| 55 849.022 | 0.045 | 0.8 ± 1.4 | 92.6 ± 3.5 | 0.41 ± 0.03 | 2.0 ± 0.1 |
| 55 849.765 | 0.045 | 1.4 ± 1.6 | 92.2 ± 4.2 | 0.48 ± 0.03 | 1.7 ± 0.1 |
| 55 887.853 | 0.049 | −3.0 ± 5.6 | 99.2 ± 14.3 | 0.54 ± 0.08 | 1.7 ± 0.2 |
Notes. The horizontal lines separate the data as a function of year (2009, 2010, 2011). Column 1 gives the reduced heliocentric Julian date; Col. 2 the phase; Col. 3 the radial-velocity shift for the minimum of the visibility; Col. 4 the width of the visibility drop in the radial velocity of the line; Col. 5 the value of the minimum visibility corrected for the visibility in the continuum as explained in the text; and finally Col. 6 the size in mas of the Hα region considered as a Gaussian distribution.
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