CLASS name | Unit | Translation | Notation |
nchan | -- | Number of channel | -- |
rchan | -- | Reference channel |
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restf | MHz | Tuned signal rest frequency |
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image | MHz | Tuned image rest frequency |
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fres | MHz | Observatory channel spacing |
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vres |
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Velocity channel spacing |
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voff |
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source systemic velocity |
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doppler | -- | Doppler factor |
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Table 1 describes the CLASS header parameters used to
describe the frequency/velocity axes and their translation in this
document. The signal and image frequency axis are given in the source (rest) frame
by
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(75) |
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(76) |
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(77) |
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(78) |