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Commit 8c225f6d authored by Matthieu Schaller's avatar Matthieu Schaller
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Move the overdensity above which SF is allowed in the EAGLE model to 100 (was 57.7).

parent c78c1aa2
......@@ -119,7 +119,7 @@ EAGLEStarFormation:
EOS_gamma_effective: 1.3333333 # Slope the of the polytropic EOS assumed for the star-forming gas.
KS_normalisation: 1.515e-4 # The normalization of the Kennicutt-Schmidt law in Msun / kpc^2 / yr.
KS_exponent: 1.4 # The exponent of the Kennicutt-Schmidt law.
min_over_density: 57.7 # The over-density above which star-formation is allowed.
min_over_density: 100.0 # The over-density above which star-formation is allowed.
KS_high_density_threshold_H_p_cm3: 1e3 # Hydrogen number density above which the Kennicut-Schmidt law changes slope in Hydrogen atoms per cm^3.
KS_high_density_exponent: 2.0 # Slope of the Kennicut-Schmidt law above the high-density threshold.
EOS_entropy_margin_dex: 0.5 # Logarithm base 10 of the maximal entropy above the EOS at which stars can form.
......
......@@ -142,7 +142,7 @@ EAGLEStarFormation:
EOS_gamma_effective: 1.3333333 # Slope the of the polytropic EOS assumed for the star-forming gas.
KS_normalisation: 1.515e-4 # The normalization of the Kennicutt-Schmidt law in Msun / kpc^2 / yr.
KS_exponent: 1.4 # The exponent of the Kennicutt-Schmidt law.
min_over_density: 57.7 # The over-density above which star-formation is allowed.
min_over_density: 100.0 # The over-density above which star-formation is allowed.
KS_high_density_threshold_H_p_cm3: 1e3 # Hydrogen number density above which the Kennicut-Schmidt law changes slope in Hydrogen atoms per cm^3.
KS_high_density_exponent: 2.0 # Slope of the Kennicut-Schmidt law above the high-density threshold.
EOS_entropy_margin_dex: 0.3 # Logarithm base 10 of the maximal entropy above the EOS at which stars can form.
......
......@@ -142,7 +142,7 @@ EAGLEStarFormation:
EOS_gamma_effective: 1.3333333 # Slope the of the polytropic EOS assumed for the star-forming gas.
KS_normalisation: 1.515e-4 # The normalization of the Kennicutt-Schmidt law in Msun / kpc^2 / yr.
KS_exponent: 1.4 # The exponent of the Kennicutt-Schmidt law.
min_over_density: 57.7 # The over-density above which star-formation is allowed.
min_over_density: 100.0 # The over-density above which star-formation is allowed.
KS_high_density_threshold_H_p_cm3: 1e3 # Hydrogen number density above which the Kennicut-Schmidt law changes slope in Hydrogen atoms per cm^3.
KS_high_density_exponent: 2.0 # Slope of the Kennicut-Schmidt law above the high-density threshold.
EOS_entropy_margin_dex: 0.3 # Logarithm base 10 of the maximal entropy above the EOS at which stars can form.
......
......@@ -140,7 +140,7 @@ EAGLEStarFormation:
EOS_gamma_effective: 1.3333333 # Slope the of the polytropic EOS assumed for the star-forming gas.
KS_normalisation: 1.515e-4 # The normalization of the Kennicutt-Schmidt law in Msun / kpc^2 / yr.
KS_exponent: 1.4 # The exponent of the Kennicutt-Schmidt law.
min_over_density: 57.7 # The over-density above which star-formation is allowed.
min_over_density: 100.0 # The over-density above which star-formation is allowed.
KS_high_density_threshold_H_p_cm3: 1e3 # Hydrogen number density above which the Kennicut-Schmidt law changes slope in Hydrogen atoms per cm^3.
KS_high_density_exponent: 2.0 # Slope of the Kennicut-Schmidt law above the high-density threshold.
EOS_entropy_margin_dex: 0.3 # Logarithm base 10 of the maximal entropy above the EOS at which stars can form.
......@@ -221,4 +221,4 @@ EAGLEAGN:
threshold_major_merger: 0.333 # Mass ratio threshold to consider a BH merger as 'major'
threshold_minor_merger: 0.1 # Mass ratio threshold to consider a BH merger as 'minor'
merger_threshold_type: 2 # Type of velocity threshold for BH mergers (0: v_circ at kernel edge, 1: v_esc at actual distance, with softening, 2: v_esc at actual distance, no softening).
merger_max_distance_ratio: 3.0 # Maximal distance over which two BHs can merge, in units of the softening length.
\ No newline at end of file
merger_max_distance_ratio: 3.0 # Maximal distance over which two BHs can merge, in units of the softening length.
......@@ -139,7 +139,7 @@ EAGLEStarFormation:
EOS_gamma_effective: 1.3333333 # Slope the of the polytropic EOS assumed for the star-forming gas.
KS_normalisation: 1.515e-4 # The normalization of the Kennicutt-Schmidt law in Msun / kpc^2 / yr.
KS_exponent: 1.4 # The exponent of the Kennicutt-Schmidt law.
min_over_density: 57.7 # The over-density above which star-formation is allowed.
min_over_density: 100.0 # The over-density above which star-formation is allowed.
KS_high_density_threshold_H_p_cm3: 1e3 # Hydrogen number density above which the Kennicut-Schmidt law changes slope in Hydrogen atoms per cm^3.
KS_high_density_exponent: 2.0 # Slope of the Kennicut-Schmidt law above the high-density threshold.
EOS_entropy_margin_dex: 0.3 # Logarithm base 10 of the maximal entropy above the EOS at which stars can form.
......
......@@ -142,7 +142,7 @@ EAGLEStarFormation:
EOS_gamma_effective: 1.3333333 # Slope the of the polytropic EOS assumed for the star-forming gas.
KS_normalisation: 1.515e-4 # The normalization of the Kennicutt-Schmidt law in Msun / kpc^2 / yr.
KS_exponent: 1.4 # The exponent of the Kennicutt-Schmidt law.
min_over_density: 57.7 # The over-density above which star-formation is allowed.
min_over_density: 100.0 # The over-density above which star-formation is allowed.
KS_high_density_threshold_H_p_cm3: 1e3 # Hydrogen number density above which the Kennicut-Schmidt law changes slope in Hydrogen atoms per cm^3.
KS_high_density_exponent: 2.0 # Slope of the Kennicut-Schmidt law above the high-density threshold.
EOS_entropy_margin_dex: 0.3 # Logarithm base 10 of the maximal entropy above the EOS at which stars can form.
......
......@@ -38,6 +38,8 @@ the following changes have been made (at standard resolution):
- Particles can be star-forming if they are within 0.3 dex of the
entropy floor (was 0.5 dex). These particles also get their
subgrid properties (rho, T as well as the HI and H_2 frac) computed.
- Particles can be star-forming if they are in an over-density of
at least 100 (was 57.7).
- The minimal mass of SNII stars has been raised to 8 Msun (from 6).
- The SNII feedback delay is done by sampling the stellar age
distribution and not using a fixed delay of 30 Myr any more.
......
......@@ -126,7 +126,7 @@ EAGLEStarFormation:
EOS_gamma_effective: 1.3333333 # Slope the of the polytropic EOS assumed for the star-forming gas.
KS_normalisation: 1.515e-4 # The normalization of the Kennicutt-Schmidt law in Msun / kpc^2 / yr.
KS_exponent: 1.4 # The exponent of the Kennicutt-Schmidt law.
min_over_density: 57.7 # The over-density above which star-formation is allowed.
min_over_density: 100.0 # The over-density above which star-formation is allowed.
KS_high_density_threshold_H_p_cm3: 1e3 # Hydrogen number density above which the Kennicut-Schmidt law changes slope in Hydrogen atoms per cm^3.
KS_high_density_exponent: 2.0 # Slope of the Kennicut-Schmidt law above the high-density threshold.
EOS_entropy_margin_dex: 0.3 # Logarithm base 10 of the maximal entropy above the EOS at which stars can form.
......
......@@ -134,7 +134,7 @@ EAGLEStarFormation:
EOS_gamma_effective: 1.3333333 # Slope the of the polytropic EOS assumed for the star-forming gas.
KS_normalisation: 1.515e-4 # The normalization of the Kennicutt-Schmidt law in Msun / kpc^2 / yr.
KS_exponent: 1.4 # The exponent of the Kennicutt-Schmidt law.
min_over_density: 57.7 # The over-density above which star-formation is allowed.
min_over_density: 100.0 # The over-density above which star-formation is allowed.
KS_high_density_threshold_H_p_cm3: 1e3 # Hydrogen number density above which the Kennicut-Schmidt law changes slope in Hydrogen atoms per cm^3.
KS_high_density_exponent: 2.0 # Slope of the Kennicut-Schmidt law above the high-density threshold.
EOS_entropy_margin_dex: 0.3 # Logarithm base 10 of the maximal entropy above the EOS at which stars can form.
......
......@@ -125,7 +125,7 @@ EAGLEStarFormation:
EOS_gamma_effective: 1.3333333 # Slope the of the polytropic EOS assumed for the star-forming gas.
KS_normalisation: 1.515e-4 # The normalization of the Kennicutt-Schmidt law in Msun / kpc^2 / yr.
KS_exponent: 1.4 # The exponent of the Kennicutt-Schmidt law.
min_over_density: 57.7 # The over-density above which star-formation is allowed.
min_over_density: 100.0 # The over-density above which star-formation is allowed.
KS_high_density_threshold_H_p_cm3: 1e3 # Hydrogen number density above which the Kennicut-Schmidt law changes slope in Hydrogen atoms per cm^3.
KS_high_density_exponent: 2.0 # Slope of the Kennicut-Schmidt law above the high-density threshold.
EOS_entropy_margin_dex: 0.3 # Logarithm base 10 of the maximal entropy above the EOS at which stars can form.
......
......@@ -137,7 +137,7 @@ EAGLEStarFormation:
EOS_gamma_effective: 1.3333333 # Slope the of the polytropic EOS assumed for the star-forming gas.
KS_normalisation: 1.515e-4 # The normalization of the Kennicutt-Schmidt law in Msun / kpc^2 / yr.
KS_exponent: 1.4 # The exponent of the Kennicutt-Schmidt law.
min_over_density: 57.7 # The over-density above which star-formation is allowed.
min_over_density: 100.0 # The over-density above which star-formation is allowed.
KS_high_density_threshold_H_p_cm3: 1e3 # Hydrogen number density above which the Kennicut-Schmidt law changes slope in Hydrogen atoms per cm^3.
KS_high_density_exponent: 2.0 # Slope of the Kennicut-Schmidt law above the high-density threshold.
EOS_entropy_margin_dex: 0.3 # Logarithm base 10 of the maximal entropy above the EOS at which stars can form.
......
......@@ -112,7 +112,7 @@ EAGLEStarFormation:
EOS_gamma_effective: 1.3333333 # Slope the of the polytropic EOS assumed for the star-forming gas.
KS_normalisation: 1.515e-4 # The normalization of the Kennicutt-Schmidt law in Msun / kpc^2 / yr.
KS_exponent: 1.4 # The exponent of the Kennicutt-Schmidt law.
min_over_density: 57.7 # The over-density above which star-formation is allowed.
min_over_density: 100.0 # The over-density above which star-formation is allowed.
KS_high_density_threshold_H_p_cm3: 1e3 # Hydrogen number density above which the Kennicut-Schmidt law changes slope in Hydrogen atoms per cm^3.
KS_high_density_exponent: 2.0 # Slope of the Kennicut-Schmidt law above the high-density threshold.
EOS_entropy_margin_dex: 0.3 # Logarithm base 10 of the maximal entropy above the EOS at which stars can form.
......
......@@ -106,7 +106,7 @@ EAGLEStarFormation:
gas_fraction: 0.3 # The gas fraction used internally by the model.
KS_normalisation: 1.515e-4 # The normalization of the Kennicutt-Schmidt law in Msun / kpc^2 / yr.
KS_exponent: 1.4 # The exponent of the Kennicutt-Schmidt law.
min_over_density: 57.7 # The over-density above which star-formation is allowed.
min_over_density: 100.0 # The over-density above which star-formation is allowed.
KS_high_density_threshold_H_p_cm3: 1e3 # Hydrogen number density above which the Kennicut-Schmidt law changes slope in Hydrogen atoms per cm^3.
KS_high_density_exponent: 2.0 # Slope of the Kennicut-Schmidt law above the high-density threshold.
EOS_entropy_margin_dex: 0.3 # Logarithm base 10 of the maximal entropy above the EOS at which stars can form.
......
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