[yt-svn] commit/yt: 4 new changesets

[commits-noreply at bitbucket.org]

4 new commits in yt:

https://bitbucket.org/yt_analysis/yt/commits/dc578c93d942/
Changeset:   dc578c93d942
Branch:      yt
User:        ngoldbaum
Date:        2013-06-30 11:32:59
Summary:     Fixing a comment in physical_constants.py
Affected #:  1 file

diff -r 62e723e2f60c980f48fca5f76f5fdd8862945b98 -r dc578c93d942e2c892831edaeedfb11803467096 yt/utilities/physical_constants.py
--- a/yt/utilities/physical_constants.py
+++ b/yt/utilities/physical_constants.py
@@ -26,7 +26,7 @@
 gravitational_constant_cgs  = 6.67428e-8  # cm^3 g^-1 s^-2
 planck_constant_cgs   = 6.62606896e-27  # erg s
 stefan_boltzmann_constant_cgs = 5.67051e-5 # erg cm^-2 s^-1 K^-4
-rho_crit_now = 1.8788e-29  # g times h^2 (critical mass for closure, Cosmology)
+rho_crit_now = 1.8788e-29  # g/cm^3/h^2 (critical mass for closure, Cosmology)
 
 # Misc. Approximations
 mass_mean_atomic_cosmology = 1.22


https://bitbucket.org/yt_analysis/yt/commits/7678a3f41321/
Changeset:   7678a3f41321
Branch:      yt
User:        ngoldbaum
Date:        2013-06-30 11:41:22
Summary:     Fixing the explanatory comment as well.
Affected #:  1 file

diff -r dc578c93d942e2c892831edaeedfb11803467096 -r 7678a3f413216898b2628c51556ade125b2d3db8 yt/utilities/physical_constants.py
--- a/yt/utilities/physical_constants.py
+++ b/yt/utilities/physical_constants.py
@@ -26,7 +26,7 @@
 gravitational_constant_cgs  = 6.67428e-8  # cm^3 g^-1 s^-2
 planck_constant_cgs   = 6.62606896e-27  # erg s
 stefan_boltzmann_constant_cgs = 5.67051e-5 # erg cm^-2 s^-1 K^-4
-rho_crit_now = 1.8788e-29  # g/cm^3/h^2 (critical mass for closure, Cosmology)
+rho_crit_now = 1.8788e-29  # g/cm^3/h^2 (cosmological critical density)
 
 # Misc. Approximations
 mass_mean_atomic_cosmology = 1.22


https://bitbucket.org/yt_analysis/yt/commits/e57c0ae480c4/
Changeset:   e57c0ae480c4
Branch:      yt
User:        ngoldbaum
Date:        2013-07-01 20:35:02
Summary:     Adding some explanatory text for the units of rho_crit_now.
Affected #:  1 file

diff -r 7678a3f413216898b2628c51556ade125b2d3db8 -r e57c0ae480c40fa300153836be43b7d47b548d32 yt/utilities/physical_constants.py
--- a/yt/utilities/physical_constants.py
+++ b/yt/utilities/physical_constants.py
@@ -26,7 +26,13 @@
 gravitational_constant_cgs  = 6.67428e-8  # cm^3 g^-1 s^-2
 planck_constant_cgs   = 6.62606896e-27  # erg s
 stefan_boltzmann_constant_cgs = 5.67051e-5 # erg cm^-2 s^-1 K^-4
-rho_crit_now = 1.8788e-29  # g/cm^3/h^2 (cosmological critical density)
+# The following value was calcualted assuming H = 100 km/s/Mpc.
+# To get the correct value for your cosmological parameters, 
+# you'll need to multiply through by h^2
+# [where h = H / (100 km/s/Mpc)].  See the Overdensity field in
+# yt.data_objects.universal_fields.
+rho_crit_now = 1.8788e-29  # g/cm^3 (cosmological critical density)
+
 
 # Misc. Approximations
 mass_mean_atomic_cosmology = 1.22


https://bitbucket.org/yt_analysis/yt/commits/0f59ef0d7dc6/
Changeset:   0f59ef0d7dc6
Branch:      yt
User:        brittonsmith
Date:        2013-07-08 17:02:49
Summary:     Merged in ngoldbaum/yt (pull request #539)

Fixing a comment in physical_constants.py
Affected #:  1 file

diff -r 432d2a1883d262ad9ada8d98dd36fbe638fa45b1 -r 0f59ef0d7dc696a4c8fdab557eb544ca87942b6c yt/utilities/physical_constants.py
--- a/yt/utilities/physical_constants.py
+++ b/yt/utilities/physical_constants.py
@@ -26,7 +26,13 @@
 gravitational_constant_cgs  = 6.67428e-8  # cm^3 g^-1 s^-2
 planck_constant_cgs   = 6.62606896e-27  # erg s
 stefan_boltzmann_constant_cgs = 5.67051e-5 # erg cm^-2 s^-1 K^-4
-rho_crit_now = 1.8788e-29  # g times h^2 (critical mass for closure, Cosmology)
+# The following value was calcualted assuming H = 100 km/s/Mpc.
+# To get the correct value for your cosmological parameters, 
+# you'll need to multiply through by h^2
+# [where h = H / (100 km/s/Mpc)].  See the Overdensity field in
+# yt.data_objects.universal_fields.
+rho_crit_now = 1.8788e-29  # g/cm^3 (cosmological critical density)
+
 
 # Misc. Approximations
 mass_mean_atomic_cosmology = 1.22

Repository URL: https://bitbucket.org/yt_analysis/yt/

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