See the CASA VLBA Calibration and Imaging page for more details.ĬASA 6 can optionally be installed through modular pip-wheels, with the flexibility to build CASA tools and tasks into a customized Python environment. Also, do not use CASA if your project requires fringe-rate mapping or the use of antab files. Do not use CASA if your VLBA project involves polarimetry, astrometry, low frequencies (< 4 GHz), or data from before December 2009. For NRAO's Very Long Baseline Array (VLBA), CASA may be used for calibrating and imaging relatively simple VLBA data sets. VLBI functionality has been implemented in CASA for the processing of VLBI continuum and spectral line observations, based on development by the CASA-VLBI group at JIVE (see this article). For more information, see the ALMA Science Pipeline website and the VLA Science Pipeline website. Pipelines are only tested and validated on Linux RedHat, and are not supported for Mac OS. See the OS compatibility matrix in CASA Docs, or see 'Version Support' below for more details. The CASA versions listed above are built on specific versions of Linux RedHat and Mac OS, but they are expected to work for multiple LINUX and Mac computer operating systems, including Mac OS 13 (CASA 6.6.0) and certain Ubuntu versions. The above CASA versions can also be downloaded from our NAOJ CASA mirror site and NAOJ CASA-pipeline mirror site, or via Google Drive.ĬASA is only fully validated against the operational configuration of NRAO instruments (currently RHEL8/Python 3.8). (Notes) VLA: Version CASA 6.5.4.9, includes a pipeline validated for VLA (pipeline version 2023.1.0.124).įor more information, see the VLA Science Pipeline website.
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