Index: trunk/Mars/NEWS
===================================================================
--- trunk/Mars/NEWS	(revision 9822)
+++ trunk/Mars/NEWS	(revision 9845)
@@ -51,4 +51,17 @@
      ns anymore, but in ns/deg. This means that the values for MAGIC
      have to be scaled by a factor of 10.
+
+   * Star now calculates new timing parameters, namely:
+
+   ** MHillasExt.fTimeSpread: 
+      This is the time spread (rms) around the mean of the arrival times.
+      It is calulated as 
+         <math>\sqrt{\sum{t_i}/n}</math>
+   ** MHillasExt.fTimeSpreadWeighted: 
+      This is the weighted time spread (rms) around the weighted mean of the arrival times.
+      It is calulated as 
+         <math>\frac{1}{\sum{n_i}}\sqrt{\sum{n_i^2(t_i-<wt>)^2}}}</math>
+            or
+         <math>\frac{1}{\sum{n_i}}\sqrt{\sum{n_i^2t_i^2}+<wt>^2\sum{n_i^2}-2<wt>\sum{t_in_i^2}}</math>
 
  ;trainenergy.C: