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Figure 1: Light variation of HD 6226 in the V passband plotted vs. time. Frequent light brightenings are clearly seen. All individual observations are shown. |
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Figure 2:
The (U-B) vs. (B-V) diagram with all individual
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Figure 3:
Light variation of HD 6226 in the V passband plotted vs. phase
of the 630
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Figure 4:
The 2003 emission-line episode of HD 6226:
Upper panel: V magnitude vs. time.
Bottom panel: Peak intensity (V+R)/2 of the H![]() |
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Figure 5: A plot of the V magnitude vs. time for the period covered by the 1997 spectral observations. |
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Figure 6: A plot of the V magnitude vs. time for the period covered when the emission of HD 6226 was first observed on JD 2 451 860. |
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Figure 7:
A representative selection of the 1997 and 2003
H![]() |
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Figure 8: A representative selection of the 1997 and 2003 He I 6678 line profiles of HD 6226. Note the pronounced and variable line asymmetry. |
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Figure 9:
Radial-velocity variations of different measured
features plotted vs. phase of the 2
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Figure 10:
The Ondrejov He I 6678 line profile obtained on HJD 2 452 861.3761
(solid line) and a difference between this profile and a profile
obtained 0
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Figure 11:
A comparison of the 1997 Heros spectrogram of HD 6226 with
a synthetic spectrum for 17000 K and
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