
Using SAOImage ds9 - CIAO 4.17 - Harvard University
Jan 13, 2022 · The next time ds9 is started, this file is read and the preferences are used. Important: as mentioned before, the preference files are generally not backward-compatible. …
Analysis Guide: Video Demos and Tutorials - CIAO 4.17 - Harvard …
Nov 1, 2024 · 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 …
Creating Source and Background Files - CIAO 4.17 - Harvard …
Jan 24, 2022 · After choosing "OK" in the region filename dialog, a format dialog is opened. Set the format to "ds9" and the coordinate system to "Physical". Note that in this case the region …
Accessing the CSC with DS9 and TOPCAT - CSC - Harvard University
Apr 14, 2020 · In this thread, the SAMP option in the DS9 File menu is used to send CSC2 data loaded into DS9 to TOPCAT, which is an interactive graphical viewer and editor for tabular …
Using the Output of Detect Tools - CIAO 4.17 - Harvard University
Feb 17, 2022 · In ds9: load the event file and display the source list on top of it. To save the regions in another format: Region → Save Regions... → Save As "acisf02254_src_ds9.reg". …
Estimate Source Counts in an Event File - CIAO 4.17 - Harvard …
Feb 8, 2022 · From ds9 select the top-level Analysis menu and then CIAO. This is the top level menu of all the CIAO tasks that are available in ds9. To get the net counts, simply go to …
Imaging Threads - CIAO 4.17 - Harvard University
Apr 15, 2025 · The Imaging threads cover a wide range of topics that include source detection, creating exposure maps and normalized images, and calculating image statistics.
DAX: The CIAO Analysis Menu in DS9 - CIAO 4.17 - Harvard …
Nov 1, 2024 · dax *, the Ds9 Analysis eXtensions, is a collection of CIAO tasks that have been integrated with SAOImage DS9 using ds9's analysis menu interface. dax provides users …
ObsVis: Chandra Observation Visualizer - ObsVis - Harvard University
Dec 11, 2024 · 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 …
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 …