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Fig. 17 | Earth, Planets and Space

Fig. 17

From: A low-dispersion spectral video camera for observing lunar impact flashes

Fig. 17

The effect of atmospheric scintillation on a spectrum of β Cet (Diphda). We recorded one hundred successive video frames with both the exposure time and frame interval of 20 ms and obtained count profiles along the zero-order and spectral images. a The broken blue line shows the profile for a frame when the star appears bluest in the one hundred frames. The solid red line shows the profile when the star appears reddest. The thin black line shows the average count profile over the one hundred frames. The plots along the average profile correspond to horizontal pixel positions in the averaged image (Fig. 10a). b The counts (y-axis values) were corrected as the total count is the same as that of the average profile to show the difference in the spectral waveform clearly

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