From ed5deacb9bfcb5be2ad0f90174fca6785c4e7852 Mon Sep 17 00:00:00 2001
From: Matteo Bachetti <matteo@matteobachetti.it>
Date: Mon, 11 Mar 2024 11:38:13 +0100
Subject: [PATCH] Add logging message

---
 stingray/io.py | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/stingray/io.py b/stingray/io.py
index 9c04e4852..8ad449d5b 100644
--- a/stingray/io.py
+++ b/stingray/io.py
@@ -765,6 +765,12 @@ def load_events_and_gtis(
     else:
         try:
             returns.energy_list = rough_calibration(cal_pi, mission)
+            logger.info(
+                f"A default calibration was applied to the {mission} data. "
+                "Use the `rmf_file` argument in `EventList.read`, or calibrate with "
+                "`EventList.convert_pi_to_energy(rmf_file)`, if you want to apply a specific "
+                "response matrix"
+            )
         except ValueError:
             returns.energy_list = None
     returns.instr = instr.lower()