ALMA

Quick pointers

• See ALMA WVR phase correction algorithms and software for information regarding the wvrgcal program, libAIR C++ library and download of software for atmospheric phase correction for ALMA

Detailed contents

This is the contents page for my ALMA related work, which is currently focused primarily on techniques for correction of atmospheric phase errors using 183GHZ water vapour radiometers.

• Introduction to phase correction for ALMA
  • ALMA Goals
  • ALMA Phase correction strategy
  • ALMA 183 GHz water-vapour radiometers
• ALMA WVR phase correction algorithms and software
  • WVRGCAL
  • LibAIR
  • Downloads
• Atmospheric Modelling for ALMA
  • ATM and AATM
  • License
  • AATM Download
  • AATM Examples
• Testing of ALMA Prototype Water-Vapour Radiometers at the SMA
  • Introduction
  • People Involved
  • Summary of tests
• European Union FP6 ALMA Enhancement
• Limits on Phase Correction Performance Due to Differences Between Astronomical and Water-Vapour Radiometer Beams
  • Abstract
  • Full text
  • Astronomical and WVR beams
  • Additional references
  • Figure 5
• Simulating Atmospheric Phase Errors, Phase Correction and the Impact on ALMA Science
  • Abstract
  • Full text
  • Software
• Inference of Coefficients for Use in Phase Correction
  • Paper I
  • Paper II
• ALMA-related software engineering topics
  • Building the casa-core libraries
  • Building CASA
  • Building libAIR
  • Some notes on the GNU toolchain
  • Introduction to SCons
  • How to create a gain (or other calibration) table for CASA
  • Some notes on Python relevant to ALMA and ALMA data reduction
  • The wvrserve program
• casata: CASA Tools for Analysis
  • What is casata?
  • Development
  • Software engineering
  • More information
• Analysis of surface error distributions through Moon (or Sun) beam cuts
  • Summary of what can be done now
  • What can not be done now, but maybe should be
  • Obtaining the software
  • How to use this software
  • A version of moonscans.py
  • Papers to read
• Simple logging of scripts and their parameters
  • This is a simple problem!
  • Interacting with sqlite
  • Overall design
  • Logging information from Python scripts
  • What are the benefits?
  • Full python listings
• Querying the ALMA archive
  • Finding DelayCals of a minimum duration and listing their sources
  • Understanding Joins
  • Understanding XPath expressions
• The HÓÆgbom “CLEAN” deconvolution image algorithm