From 1d60ec1826c965f694e1201d798f589a1753a4e8 Mon Sep 17 00:00:00 2001
From: Valentina Fioretti <valentina.fioretti@inaf.it>
Date: Tue, 27 May 2025 09:11:32 +0000
Subject: [PATCH] Edit README.md

---
 README.md | 14 +++++++++++---
 1 file changed, 11 insertions(+), 3 deletions(-)

diff --git a/README.md b/README.md
index 7113d3c..d3a29c5 100644
--- a/README.md
+++ b/README.md
@@ -71,12 +71,20 @@ Official releases of the response files can be downloaded [here](https://www.ict
   * thin: 0.16 um of polyimide and 0.04 um of aluminium
   * medium: 0.16 um of polyimide and 0.08 um of aluminium
   * thick: 0.33 um of polypropylene, and 0.11 um of aluminium, and 0.045 um of tin
-  
+
+* The best-fit model is in units of protons/s/keV/sr normalised for the full detection area
+* The model to be used is a power-law corrected with a black-body at low energy
+  * select at E > 5 keV
+  * fit with only the power-law
+  * fix the power-law and add the blackbody for the fit in the full-energy range
+  * simultaneous MOS and pn observations help to constrain the fit
+
+
 ### Validity ranges
 
 Due to biases at the boundary of the RMF modeling, induced by features in the interpolation because of limited statistics in the simulation, the spectral analysis must be performed within the following intervals:
-* MOS: 1.5 - 11.5 keV
-* PN: 1.5 - 19.5 keV
+* MOS: 2 - 11.5 keV
+* PN: 2 - 19.5 keV
 
 
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