Introduction to CASA and Basic Data Reduction Overview

Sujets

• Calibration de caméra
• Interfaceur (astronautique)
• SPW
• Python (Efteling)
• Vlaole
• Patch (son)

Informations

• Publié par: Napheg
• Nombre de lectures: 83
• Langue: English
• Poids de l'ouvrage: 1 Mo

Extrait

Introduction to CASA and Basic Data Reduction Overview Steven T. Myers CASA Project Scientist (NRAO)Beta Release Status CASA Status: in Beta Release since October 2007 roughly quarterly “patches” Current Release: Beta Release Patch 3 target release date October 15 general release register at my.nrao.edu , no password for download CASA Tutorial -- 7 October 2008 2Beta Disclaimer This really is a Beta Release! still missing functionality there are known failure modes will find new problems Improvements in upcoming patches move towards handling ALMA/EVLA “use cases” better handling of calibration CASA Tutorial -- 7 October 2008 3Curriculum schedule: ~1 hour orientation lecture + demo (this talk) hands-on data reduction with datasets: VLA Continuum Polarization (3C129) VLA Spectral Line (NGC2403) BIMA 3mm line mosaic (NGC4826) intended to be interactive if you need help - ask! CASA Tutorial -- 7 October 2008 4Starting CASA From your workstation (running RHEL): type ‘casapy-test’ at prompt this is the pre-release test version of Beta Patch 3 at AOC quit CASA using ‘exit’ brings up IPython shell plus casalogger GUI Other releases available for download not yet built for Patch 3... CASA Tutorial -- 7 October 2008 5Getting User Support First stop: Read the Manual! CASA Home: http://casa.nrao.edu Cookbook, and “help” within CASA CASA Helpdesk & Support Cadres “Helpdesk” under my.nrao.edu submit Issues User Support Specialists (Gustaaf at AOC) CASA Tutorial -- 7 October 2008 6Tutorial Contents I - Interface II - Tasks & Tools III - Data in CASA IV - Data Processing Workflow V - Example Use Cases CASA Tutorial -- 7 October 2008 7I - Interface Documentation IPython & Python Crashes & Recovery CASA help CASA task interface CASA Tutorial -- 7 October 2008 8CASA Documentation CASA Analysis cookbook (draft): http://casa.nrao.edu/Doc/Draft/Cookbook/casa_cookbook.pdf CASA User Reference Manual: http://casa.nrao.edu/docs/casaref/CasaRef.html Python: http://python.org/doc (e.g., see Tutorial for novices) IPython: http://ipython.scipy.org/moin/Documentation matplotlib: http://matplotlib.sourceforge.net/ CASA Tutorial -- 7 October 2008 9CASA Interface IPython shell access autoparenthesis (autocall) command history session logging (ipython.log, casapy.log) numbered input/output history/searching Python see standard manuals, Cookbook Appendix D CASA Tutorial -- 7 October 2008 10