IRAF


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IRAF

(ÿ -raf) Abbrev. for image reduction and analysis facility. A software package used in the reduction and display of astronomical images from optical and infrared telescopes. It is aimed specifically at the reduction of multislit spectrographic data obtained using CCD detector systems. IRAF was developed by NOAO.
Collins Dictionary of Astronomy © Market House Books Ltd, 2006
References in periodicals archive ?
The spectra obtained at the Complejo Astronomico El Leoncito and San Pedro Martir were reduced in a standard way with the echelle package in IRAF. Observations obtained at the CFHT were reduced with the Upena and Libre-ESpRIT software packages.
During a graduation ceremony of the Air Force College in Tehran, in the presence of the Supreme Leader of the Islamic Revolution Ayatollah Seyed Ali Khamenei, Brigadier General Hassan Shah Safi said that the IRAF is ready to defend the country's territorial integrity.
The people of Iraf lived in fear - not knowing how to tell Haddam to go home and leave them alone.
c- A medida que se colectan los cuadros que forman la imagen de una observacion, el observador transfiere algunos de estos a un paquete de procesamiento de imagenes (en este caso se utiliza el IRAF: Image Reduction and Analysis Facility o programa de procesamiento de imagenes en UNIX).
Variable Capital Adequacy Ratio (CAR): It will be based on the rating assigned by the Institutional Risk Assessment Framework (IRAF) to each bank depending upon its financial condition.
Once the observations are made the resulting images are then analyzed in IRAF. A source extraction is necessary to identify known sources and the optical transient.
Bell, who wanted to read iraf for araf; see section 11; this does not effect the rasm.