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The interferometric point source
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IRAM Memo 2015-2 NOEMA
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IRAM Memo 2015-2 NOEMA
Contents
The interferometric point source sensitivity from first principles
System temperature
Power and sensitivity measured at the correlator output for one baseline
Quantization efficiency
Collecting the measurements from all baselines
From the temperature power to the flux
Signal decorrelation
Noise vs signal
The interferometric extended source sensitivity
Starting from the point source sensitivity
We yield the interferometric extended source sensitivity
Interpretation
In practice
Line vs continuum system temperature
The number of polarizations
Actual computations
Observing mode and elapsed telescope time
Single-source, single-field observations
Track-sharing, single-field observations
Mosaicking
Bibliography
Gildas manager 2023-06-01