Data Calibration with CLIC

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Data Calibration with CLIC

CLIC is the software to calibrate NOEMA data. The calibration of most projects is carried out with a few interactive procedures and widgets provided within CLIC, so most astronomers do not need to know much about CLIC commands. We recommend however to have a look in the CLIC manual4 at the following commands: help, file, find, list, plot, set x and set y. During the calibration you will become familiar with others, e.g. solve. In general we recommend to read the CLIC manual to have a deeper understanding of the calibration possibilities.

In some of the following sections, paragraphs written with italic fonts are aimed to solve problems that may appear in the calibration. You can skip these paragraphs in a first reading.

Subsections

- NOEMA pipeline and AoD notes
- How the data look like
- Getting started with CLIC
- Open raw data file
- First Look
- Standard Calibration
  - Select
  - Autoflag
  - PhCor
  - RF calibration
  - Phase calibration
  - Flux calibration
  - Amplitude calibration
  - Print
  - Usual difficulties
  - FAQ
  - Other calibration procedures
- Data quality assessment
- UV-Table Creation
- Calibrating and/or merging with data previous to 2007
  - CLIC backwards compatible
  - uv-tables obtained before 04/2004
  - Merging old and new data
  - Continuum projects between 11/2005 and 01/2007
  - Very Old Projects