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Figure 1: X-ray light-curves of V1432 Aql in 4 different energy bands as indicated in the panels, and obtained by combining (averaged) data from EPIC MOS1 and MOS2 cameras aboard the XMM-Newton satellite. The bin time is 50 s in all the four panels. The observations were carried out on 9 October 2001. The start and stop times are in units of TJD. |
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Figure 2:
Discrete power spectrum of V1432 Aql corresponding to data shown in
Fig. 1. Energy bands shown are total, soft, medium, and hard, arranged in panels
from top to bottom. The dominant frequency component corresponding to the spin of
the system is shown marked as ![]() ![]() ![]() ![]() |
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Figure 3: X-ray light-curves folded on the spin period of 4069.68 s derived from data in Fig. 1 are shown for 3 energy bands of "soft'' (0.2-0.5 keV), "medium'' (0.5-2 keV) and "hard'' (2-12 keV) X-rays, arranged from top to bottom respectively. The spin period is repeated for a better appearance. |
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Figure 4: X-ray hardness ratios, HR1 and HR2 (top to bottom) as defined in the text, are shown folded on the spin period. The spin period profile is repeated as before. |
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Figure 5: X-ray light-curves folded on the well known orbital period of 12 116.304 s for V1432 Aql are shown for "soft'', "medium'' and "hard'' energy bands, from top to bottom respectively. The orbital period is shown twice for a better appearance. |
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Figure 6: X-ray hardness ratios, HR1 and HR2 (top to bottom) as defined in the text, are shown folded on the orbital period. The orbital period profile is repeated as before. |
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