![]() RVSAO is an IRAF add-on package developed at the Smithsonian Astrophysical This software is all written in very portable C, so it shouldĬompile and run on any computer with a C compiler. imh, to relate image pixels to skyĬoordinates. WCSTools is a package of programs and a library of utility subroutines for settingĪnd using the world coordinate systems (WCS) in the headers of the most common astronomical image formats, FITS and IRAF. Utilities provide high-level support for processing astronomical data. Tables, as well as to raw array and binary event lists. Theįuntools library provides simplified access to FITS images and binary Programs by executing XPA client commands in the shell or by utilizingįuntools, is a "minimal buy-in" FITS library and utility package. ItĪlso provides an easy way for users to communicate with XPA-enabled Kinds of Unix programs, including X programs and Tcl/Tk programs. The XPA messaging system provides seamless communication between many Many of the routines are completely generalĪnd adaptable to other aspects of astronomical data analysis Of high-resolution UV-X-ray spectra, with emphasis on line identification,įlux measurement, and reconstruction of plasma emission measureĭistributions. Package for the Interactive Analysis of Line Emission (PINTofALE)Ī suite of IDL procedures designed to simplify the analysis Some of theseĪre already publicly released, and some are in testing stage prior to University's Statistics department has produced a number of programsĭesigned to analyze X-ray data in the low-counts regime. The AstroStatistics collaboration between CXC and the Harvard Itself useful for the analysis of data from other X-ray and Instrument tools, CIAO is mission independent by design and has proven Observations) is the name for the suite of tools and applicationsĭeveloped at the Chandra X-Ray Center (CXC) for the analysis of dataįrom the Chandra X-Ray Observatory and other missions. Yaxx is an Open source tool to facilitate automated processing andĪnalysis of X-ray data, including spectral extraction, fitting, and It provides for easy communication with external analysis tasks and is highly configurable and extensible. DS9 supports FITS images and binary tables, multiple frame buffers, region manipulation, and many scale algorithms and colormaps. SAOImage DS9 is an astronomical imaging and data visualization application. Harvard University Department of Astronomy.Square Root Set the colors distribution to Square Root. Squared Set the colors distribution to Squared. Linear Set the colors distribution to Linear. ZScale Parameters Select the parameters for the IRAF ZScaleĪlgorithm. The larger the interval, the quicker the process Sample Parameters Select the increment interval for determining IRAF-MAX keywords, if present to determine Parameters to control this process can be configuredĭATAMAX keywords, if present to determine Sample Data- sample the entire image to determine.Scan Data- scan the entire image to determine.Min Max Options Specify the method to be used to determine Scope For FITS Mosaics, scope specifies if the limitsĪre applied global across each FITS Mosaic segment, or on a per segmentīasis. Is also available, to help determine optimal limits. ![]() The user may specify the limits manually. User Limits Set the upper and lower limits via a interactiveĭialog box. ZScale parameters may be configured via the preference IRAF ZScale Set the upper and lower limits base on the ![]() The image may be scanned to determined these values, based Min Max Set the upper and lower limits to the minĪnd max values. The upper and lower limits and the distribution of colors, based on pixel ![]()
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