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After a few general comments about quality of the data, including the measurement of
the seeing (deduced from the rms of the fit of the temporal phase), the pages 1 and
2 summarize the calibration as follows:
- §1.1 The estimated flux densities of the calibrators at the
observed frequencies.
- §1.2 The efficiencies of the antennas for Receiver 1 and 2
(which are deduced by fixing the flux of one or several calibrators).
- §1.3 The hour angle observed on the source
- §1.4 The table of the rms obtained on the RF calibration for receivers
1 and 2 in both upper and lower sidebands
- §1.5 The table of the rms obtained the temporal fit for the phase and the
amplitude per baselines. Note that for receiver 2, the rms given in Col.1 is exactly
the product of frequency ratio (rece 2/rece 1) times the rms obtained on receiver 1
because the phase on the receiver 1 is used to calibrate the phase on the receiver
2. After applying this phase correction, a second fit is performed on the residuals,
its rms is displayed on Col.2. Col.3 gives the rms obtained on the amplitude (in
%).
Next: 12. UV Plane Analysis
Up: 11.3 The ``Standard Calibration
Previous: 11.3.2 Actions or Outputs
S.Guilloteau
2000-01-19