NGC 5921: red-shifted HI emission 5.7.2: Difference between revisions
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== Overview == | |||
The technique used to calibrate and image continuum datasets generally applies to spectral line observations, except that an additional calibration step is required. '''Bandpass calibration''' flattens the spectral response of the observations, ensuring that spectral channel images are properly calibrated in amplitude and phase. | |||
Revision as of 14:55, 3 December 2009
Overview
The technique used to calibrate and image continuum datasets generally applies to spectral line observations, except that an additional calibration step is required. Bandpass calibration flattens the spectral response of the observations, ensuring that spectral channel images are properly calibrated in amplitude and phase.
