| Cosmology Parameters |
|
|
|
| H_0 |
cosmology.py |
69 |
… |
Hubble Const
(km/s/Mpc) |
| omega_m |
cosmology.py |
0.31 |
… |
Matter
Density |
| omega_l |
cosmology.py |
0.69 |
… |
Dark Energy
Density |
| Input Data Parameters |
|
|
|
| use_input
_data |
config.py |
True |
… |
Do not
ignore
additional
data in the
input file |
| phot_floor
_error |
config.py |
0.05 |
… |
Minimum
fractional
error for
photometry |
| emline_floor
_error |
config.py |
0.05 |
… |
Minimum
fractional
error for
emission
line fluxes |
| absindx_floor
_error |
config.py |
0.05 |
… |
Minimum
fractional
error for
absorption
line
indices |
| SSP Parameters |
|
|
|
| ssp |
config.py |
fsps |
… |
SSP Spectra |
| isochrone |
config.py |
padova |
… |
SSP Isochrone |
| metallicity |
config.py |
0.0077 |
[0.0001,
0.04] |
Galaxy
Metallicity |
| Dust Attenuation Parameters |
|
|
|
| dust_law |
config.py |
calzetti |
… |
Attenuation
Law (1 of 5
options) |
| EBV_old_young |
config.py |
0.44 |
… |
Extinction
of diffuse
component
compared to
that of
birth clouds
\(\eta\) |
| t_birth |
config.py |
7 |
… |
Attenuation
age divider
(log yr) |
| EBV |
dust_abs.py |
0.15 |
[-0.5,
1.5] |
Reddening |
| Rv |
config.py |
\(-1\) |
… |
Specific to
attenuation
law |
| delta |
dust_abs.py |
0.0 |
[-1.0,+1.0] |
UV slope of
Noll
attenuation
law |
| Eb |
dust_abs.py |
2.5 |
[-0.2,6.0] |
Bump
strength
for Noll
attenuation
law |
| Dust Emission Parameters |
|
|
|
| dust_em |
config.py |
DL07 |
… |
Prescription
for dust
emission (1
of 1
option) |
| wave_dust_em |
config.py |
2.5 |
… |
Maximum
wavelength
to fit
(microns) |
| assume_energy
_balance |
config.py |
False |
[T,F] |
Boolean for
balancing
dust
attenuation
with
emission |
| umin |
dust_emission.py |
2.0 |
[0.1, 25.] |
U_min
for the
Draine & Li
(2007) model |
| gamma |
dust_emission.py |
0.05 |
[0.0, 1.0] |
γ
for the
Draine & Li
(2007)
model |
| qpah |
dust_emission.py |
2.5 |
[0.47, 4.58] |
q_PAH for
the Draine
& Li (2007)
model |
| mdust |
dust_emission.py |
7.0 |
[4.5, 10.0] |
Log Dust
Mass (fit if
energy
balance
not assumed) |
| Star Formation History Parameters |
|
|
| sfh |
config.py |
binned_lsfr |
… |
Star
Formation
Rate
History (1
of 7
options) |
| age |
sfh.py |
\(-0.5\) |
[-3,…] |
Log Age of
the galaxy
(Gyr) |
| logsfr |
sfh.py |
1.0 |
[-3.0, +3.0] |
Current SFR
(log solar
masses per
year) |
| tau |
sfh.py |
\(-1.5\) |
[-3.5, +3.5] |
E-folding
timescale
for
exponential
SFH |
| b |
sfh.py |
2.0 |
[0.0, +5.0] |
Increasing
power-law
index for
Behroozi
et al. SFH |
| c |
sfh.py |
1.0 |
[0.0, +5.0] |
Decreasing
power-law
index for
Behroozi
et al. SFH |
| taup |
sfh.py |
2.4 |
[-3.0, +1.0] |
Timescale
for
Behroozi
et al. SFH
(Gyr) |
| burst_age |
sfh.py |
7.2 |
[6.0, 7.5] |
Time since
the burst
(log yr) |
| burst_sigma |
sfh.py |
0.4 |
[0.003,
0.5] |
Log-normal
burst
duration
(log Gyr) |
| burst_strength |
sfh.py |
5.0 |
[1.0, 10.0] |
Burst
strength
relative to
mean SFR |
| age_locs |
sfh.py |
6.5, 7.5,
8.5 |
… |
Array of
pivot
points for
polynomial
SFH (log
yr) |
| ages |
sfh.py |
8.0, 8.5,
9.0, 9.5,
9.8, 10.12 |
… |
Age bins
limits for
binned SFH
(log yr) |
| ISM and IGM Parameters |
|
|
|
| add_nebular |
config.py |
True |
… |
Boolean for
including
nebular
emission |
| logU |
config.py |
\(-2.5\) |
… |
Ionization
Parameter |
| emline_factor |
config.py |
1.0e-17 |
… |
Emission
line
conversion
to
ergs/cm²/s |
| ISM_correct
_coords |
config.py |
None |
Valid
Coord.
System |
Coordinate
system
(string) of
sources for
Milky Way
dust
correction |
| IGM_correct |
config.py |
False |
[T,F] |
Boolean for
applying
correlation
for IGM
absorption |
| blue_wave
_cutoff |
config.py |
1216 |
… |
Minimum
wavelength
to fit (Å) |
| Calculation Parameters |
|
|
|
| sigma_m |
mcsed.py |
0.1 |
… |
Error term
associated
with the
models |
| nwalkers |
config.py |
100 |
… |
Number of
MCMC
walkers |
| nsteps |
config.py |
1000 |
… |
Number of
steps for
each walker |
| progress_bar |
config.py |
False |
… |
Show bar
of fit
progress |
| force_emcee
_finish |
config.py |
True |
… |
Force emcee
to finish
even if no
convergence |
| burnin
_fraction |
config.py |
0.25 |
… |
Fraction of
nsteps to
count as
burnin, if
force_
finish=True |
| reserved
_cores |
config.py |
2 |
… |
In
parallel, #
cores =
Total cores
- Reserved
cores |
| nobjects |
config.py |
5 |
… |
In test
mode,
number of
objects to
analyze |
| test_zrange |
config.py |
… |
[1.0,
2.0] |
Range of
redshifts
for test
objects |
| param
_percentiles |
config.py |
5, 16, 50,
84, 95 |
… |
% of each
parameter
to report |
| separate_
stars_gas |
config.py |
False |
… |
Return the
stellar and
nebular
components |
| Output Parameters |
|
|
|
| output_dict:
parameters |
config.py |
True |
[T,F] |
Produce
Summary
File |
| output_dict:
settings |
config.py |
True |
[T,F] |
List
user-defined
fitting
assumptions |
| output_dict:
fitposterior |
config.py |
False |
[T,F] |
Save all
posterior
probability
distribs |
| output_dict:
fullposterior |
config.py |
False |
[T,F] |
Save each
walker,
step, and
parameter
information |
| output_dict:
bestfitspec |
config.py |
True |
[T,F] |
Save
best-fitting
SED |
| output_dict:
fluxdensity |
config.py |
True |
[T,F] |
Save
comparison
of observed
and modeled
photometry |
| output_dict:
lineflux |
config.py |
True |
[T,F] |
Save
comparison
of observed
and modeled
emission
lines |
| output_dict:
absindx |
config.py |
True |
[T,F] |
Save
comparison
of observed
and modeled
absorption
indices |
| output_dict:
triangle plot |
config.py |
True |
[T,F] |
Produce
summary
figure for
each object |
| output_dict:
sample plot |
config.py |
False |
[T,F] |
Save figure
of parameter
estimates
for all
MCMC chains |
| output_dict:
template spec |
config.py |
True |
[T,F] |
Save figure
of the
age-weighted
SSP spectra |
| output_dict:
image format |
config.py |
.png |
… |
Image
format (1 of
9 options) |