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- Using SAOImage ds9 - CIAO 4. 17 - Harvard University
Synopsis: The imaging application SAOImage ds9 is distributed with CIAO as the default imager It is developed independently from CIAO but does contain some CIAO-specific features
- Analysis Guide: Video Demos and Tutorials - CIAO 4. 17
The ds9 catalog tool allows users to annotate their images with markers for sources from many different catalogs (including the Chandra Source Catalog and users own source list, eg output from CIAO's wavdetect, celldetect, and vtpdetect)
- CIAO: X-ray Data Analysis Software - CIAO 4. 17
CIAO is the software package developed by the Chandra X-Ray Center for analysing data from the Chandra X-ray Telescope It can also be used with data from other Astronomical observatories, whether ground or space based
- ObsVis: Chandra Observation Visualizer - ObsVis
ObsVis is a tool to aid in observation planning which allows the inspection of sky images with overlaid instrument fields-of-view (FoV) ObsVis interfaces with the SAOimage DS9 image display tool, and facilitates detailed manipulation of Chandra pointing and instrument parameters
- True Color Images in ds9 - CIAO 4. 17 - Harvard University
SAOImage ds9, the imaging application distributed with CIAO, has the capability for users to create an RGB image and interactively adjust many of its parameters to achieve optimal results
- Using CIAO Region Files - CIAO 4. 17 - Harvard University
In general, the ds9 region format has many more options for storing display properties (color, coordinate system, comments), while the CIAO region format is a more simplified, stripped down version To compare the same regions in each format:
- Watch Out Page - CIAO 4. 17 - Harvard University
SAOImage DS9 DS9 is not compatible with Ubuntu 25 10 (01 Dec 2025) Neither SAOImageDS9 v8 6 nor v8 7b2 are currently compatible with Ubuntu 25 10 Help, I am unable to create regions in ds9! By default, ds9 will no longer create regions when it starts; that is, clicking in the ds9 window will not create a region This is because the ds9 interface has changed in version 7 3 2 (released in
- Creating Source and Background Files - CIAO 4. 17
Overview Synopsis: The tool dmgroupreg takes a ds9 region file (which must contain grouping information) and creates source and background region files that the CIAO tools can understand There is also the option to remove the source regions from the background within each group Related Links: The Using CIAO Region Files thread ds9 Reference Manual Last Update: 24 Jan 2022 - Reviewed for
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