EXSdetect: Extended X-ray Source Detection

Download the code & document. A new version will be released soon with a more detailed document.

An X-ray source detection algorithm, optimally designed to detected faint extended sources, making use of Voronoi tessellation and Friend-of-Friend technique. Please refer to Liu et al. 2012 for details.
This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License.

An example: 000336-525853 field as observed by SWIFT XRT

Sweep line Voronoi construction algorithm

Download sweepline.py

Voronoi Tessellation with the sweep line algorithm (Fortune 1986) implemented in python.
This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License.

Animation of sweep line algorithm