Table 5
Central line velocities.
| Elements | Apr. 21 | May 5 | May 6 | May 8 | June 16 |
|
|
|||||
| Fe I, Ca I, Mg I | 1.7 ± 2.0(20) | 22.2 ± 2.3(20) | −1.5 ± 2.0(20) | 8.7 ± 2.0(18) | 0.3 ± 1.9(20) |
| Fe II, Si II, Ti II, Cr II | 5.0 ± 2.3(29) | 16.4 ± 3.2(29) | −4.5 ± 2.9(29) | 11.5 ± 2.5(26) | 3.5 ± 2.7(29) |
| All | 3.3 ± 1.4(60) | 16.8 ± 2.0(60) | −3.5 ± 1.6(60) | 10.2 ± 1.6(48) | 2.7 ± 1.5(60) |
Notes. Velocities derived from the Gaussian fit of the lines in Table 4. For each date and type of lines, we give the average velocity with standard deviation and the number of points used in the calculation (in brackets). Only the lines that appear independent and are well-identified (listed in Table 4) have been taken into account in our calculations.
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