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- Source Name: Name of the source.
- Resolve: Resolve the name using a catalogue.
- System:Coordinate system type.
- Sexagesimal display: Display in sexagesimal coordinates.
- RA: RA coordinate.
- Dec: Dec coordinate.
- Calibrator: Name of calibrator.
- Resolve: Resolve the name using a catalogue.
- System:Coordinate system type.
- Sexagesimal display: Display in sexagesimal coordinates.
- RA: RA coordinate.
- Dec: Dec coordinate.
- Calibrator Flux: Expected calibrator flux.
- Offset Angle: Offset angle from the source to the calibrator.
- One way movement: Antenna movement time in seconds (one way). Rough estimate = angle/3.0 [deg/sec] + 1.5 [sec].
- Centre Frequency: Observing frequency.
- Water Vapour: Maximum allowed column density of the precipitable water vapour.
- Desired SNR: Desired signal-to-noise ratio.
- Number of Antennas: Number of antennas.
- Aperture Efficiency: Aperture efficiency.
- Tsys: System Temperature.
- Resolution (Obs): Spectral resolution of the target observation.
- Resolution (Cal): Spectral Resolution of the calibrator observation.
- Calibration Time: Estimated calibration time per calibrator.
- Total Time: Total observing time for the calibration (on target + two-way movement).
Figure 3.5:
The Calibration Time Estimate Tool.
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The ALMA OT Team, 2013 Feb 27