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authorAaron LI <aly@aaronly.me>2018-10-30 23:13:26 +0800
committerAaron LI <aly@aaronly.me>2018-10-30 23:13:26 +0800
commit029dc5974f3a3f6c4b5d346f440901b40ba0d73f (patch)
tree0dd107eecf8fe7793e3ebad4a8495a04e6b428f8 /fg21sim/extragalactic/clusters/helper.py
parentd5fda96940775d37dc07c60b7997697f65a7dbfe (diff)
downloadfg21sim-029dc5974f3a3f6c4b5d346f440901b40ba0d73f.tar.bz2
clusters/helper: Remove the obsolete fmass_nfw()
Diffstat (limited to 'fg21sim/extragalactic/clusters/helper.py')
-rw-r--r--fg21sim/extragalactic/clusters/helper.py26
1 files changed, 0 insertions, 26 deletions
diff --git a/fg21sim/extragalactic/clusters/helper.py b/fg21sim/extragalactic/clusters/helper.py
index 96800e4..d8e231e 100644
--- a/fg21sim/extragalactic/clusters/helper.py
+++ b/fg21sim/extragalactic/clusters/helper.py
@@ -481,29 +481,3 @@ def draw_halo(radius, nr=2.0, felong=None, rotation=None):
# Normalized to have *mean* value of 1
image /= image.mean()
return image
-
-
-def fmass_nfw(x, c=5.0):
- """
- The normalized total mass profile by integrating from the NFW
- density profile.
-
- Parameters
- ----------
- x : float
- x = R/R_vir, fractional virial radius
- c : float
- Concentration parameter
- Default: 5.0 (for clusters)
-
- Returns
- -------
- fmass : float
- The normalized total mass w.r.t. the virial mass, i.e.,
- fmass = M(<x*R_vir) / M_vir
-
- Reference: [lokas2001],Eq.(2,4,5,8)
- """
- gc = 1.0 / (np.log(1+c) - c/(1+c))
- fmass = gc * (np.log(1+c*x) - c*x / (1+c*x))
- return fmass