Using SAOImage ds9 - CIAO 4.18 - Harvard University
Jan 13, 2022 · 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 4.18
Oct 28, 2025 · 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 …
True Color Images in ds9 - CIAO 4.18 - Harvard University
Feb 15, 2022 · 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 …
Watch Out Page - CIAO 4.18 - Harvard University
Dec 10, 2025 · Problems with Xquartz 2.8.5 Some users have reported problems related to disappearing menus using ds9 with Xquartz version 2.8.5 which was released on January 26, 2023. This appears …
Chandra/CIAO 2025 Workshop
Oct 28, 2025 · Using dmcoords, dmstat, dmlist, or ds9+dax, determine the CCD_ID where the bright source in the center of the field is located. Use dmcopy to exclude the wavdetect sources detected in …
Ahelp: dmregions - CIAO 4.18 - Harvard University
DS9 regions CIAO understands most of the simple, atomic regions that DS9 can draw including circle, ellipse, point, box, polygons, and annulus. The regions that are purely for annotations such as text, …
Creating colorized waveform images with CIAO and DS9
Sep 4, 2025 · DS9 export vs saveimage. The examples below use ds9's export functionality. export and saveimage are fundamentally different even though both can write bitmap images. Use export when …
Quick Start Guide - CIAO 4.18 - Harvard University
Dec 1, 2025 · There are multiple ways to perform tasks in ds9 , including through the GUI, on the command line, via XPA or SAMP, and even through HTML For additional details see the True Color …
Chandra Newsletter Article
While DS9 continues to be an independent project serving all fields of astronomy (and beyond), the collaboration with the SDS group has led to several exciting updates specifically of interest to the …
Creating Energy Hue Maps - CIAO 4.17
Dec 9, 2024 · The color map is the standard ds9 "rainbow" colormap, but inverted so that red maps to the lowest energies (1200eV) and violet maps to the highest energies (3000eV).