About 50 results
Open links in new tab
  1. Using SAOImage ds9 - CIAO 4.18 - Harvard University

    Jan 13, 2022 · Related Links: ds9 Reference Manual ds9 Users Manual: CIAO-style threads on using ds9 Video demos and tutorials Using CIAO Region Files thread Last Update: 13 Jan 2022 - …

  2. 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 …

  3. CIAO: X-ray Data Analysis Software - CIAO 4.18

    Dec 12, 2025 · 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 …

  4. 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 …

  5. 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, …

  6. 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 …

  7. Bugs: Installation & Smoke Tests - CIAO 4.18 - Harvard University

    Dec 16, 2025 · The DS9 smoke test will run for a long time (of order 10 minutes) and then fail on Ubuntu 25.10 systems due to an incompatibility with the version of libxml2 (version 2.14.0).

  8. 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 …

  9. Imaging Threads - CIAO 4.18 - Harvard University

    Oct 28, 2025 · The Imaging threads cover a wide range of topics that include source detection, creating exposure maps and normalized images, and calculating image statistics. How to create color images …

  10. CIAO: Visualization - CIAO 4.17 - Harvard University

    Dec 10, 2024 · CIAO 4.17 comes with version 8.6 of SAOImage DS9, which can be used to visualize images, event files, and even tabular data (this replaces the prism tool from CIAO 4.13 and earlier).