XMM-Newton SAS Home Page
XMM-Newton Science Analysis System


omdetect (omdetect-5.34) [xmmsas_20141104_1833-14.0.0]

Method 2- Mean Background algorithms Method 4- Mode algorithm Home Index

Meta Index / Home Page / Background algorithms

Method 3- Median

The median can give a good estimate of the background value in moderately crowded fields (ie no more than 50 percent of the pixels used are contaminated by sources).


XMM-Newton SOC/SSC -- 2014-11-04