The SSPs in the database are always built on a time grid with 1 Myr time...

The SSPs in the database are always built on a time grid with 1 Myr time steps. No need to drag around a constant for this as it will stay that way for the forseeable future.

pcigale/creation_modules/sfh2exp.py

@@ -19,11 +19,6 @@ import numpy as np
 from . import CreationModule
 
 
-# Time lapse used in the age grid in Myr. If should be consistent with the
-# time lapse in the SSP modules.
-AGE_LAPSE = 1
-
-
 class Sfh2Exp(CreationModule):
     """Double decreasing exponential Star Formation History
 
@@ -88,8 +83,8 @@ class Sfh2Exp(CreationModule):
         normalise = (self.parameters["normalise"].lower() == "true")
 
         # Time grid and age. If needed, the age is rounded to the inferior Myr
-        time_grid = np.arange(AGE_LAPSE, age + AGE_LAPSE, AGE_LAPSE)
-        time_grid_burst = np.arange(AGE_LAPSE, burst_age + AGE_LAPSE, AGE_LAPSE)
+        time_grid = np.arange(1, age + 1)
+        time_grid_burst = np.arange(1, burst_age + 1)
 
         # SFR for each component
         sfr = np.exp(-time_grid / tau_main)

pcigale/creation_modules/sfh_buat08.py

@@ -28,11 +28,6 @@ import numpy as np
 from . import CreationModule
 
 
-# Time lapse used in the age grid in Myr. If should be consistent with the
-# time lapse in the SSP modules.
-AGE_LAPSE = 1
-
-
 class SfhBuat08(CreationModule):
     """Chemical evolution motivated Star Formation History
 
@@ -74,7 +69,7 @@ class SfhBuat08(CreationModule):
         normalise = (self.parameters["normalise"].lower() == "true")
 
         # Time grid and age. If needed, the age is rounded to the inferior Myr
-        time_grid = np.arange(AGE_LAPSE, age + AGE_LAPSE, AGE_LAPSE)
+        time_grid = np.arange(1, age + 1)
 
         # Values from Buat et al. (2008) table 2
         paper_velocities = np.array([80., 150., 220., 290., 360.])

pcigale/creation_modules/sfh_quenching.py

@@ -21,11 +21,6 @@ import numpy as np
 from . import CreationModule
 
 
-# Time lapse used in the age grid in Myr. If should be consistent with the
-# time lapse in the SSP modules.
-AGE_LAPSE = 1
-
-
 class SfhQuench(CreationModule):
     """Star Formation History Quenching
 

pcigale/creation_modules/sfhdelayed.py

@@ -20,11 +20,6 @@ import numpy as np
 from . import CreationModule
 
 
-# Time lapse used in the age grid in Myr. If should be consistent with the
-# time lapse in the SSP modules.
-AGE_LAPSE = 1
-
-
 class SFHDelayed(CreationModule):
     """Delayed tau model for Star Formation History
 
@@ -70,7 +65,7 @@ class SFHDelayed(CreationModule):
         normalise = (self.parameters["normalise"].lower() == "true")
 
         # Time grid and age. If needed, the age is rounded to the inferior Myr
-        time_grid = np.arange(AGE_LAPSE, age + AGE_LAPSE, AGE_LAPSE)
+        time_grid = np.arange(1, age + 1)
 
         # Main SFR
         sfr = time_grid / tau_main**2 * np.exp(-time_grid / tau_main)