Created
April 28, 2016 23:15
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electrons (particle source): | |
spectrum: | |
main: | |
log_parabola: | |
K: {value: 1.0000000000000002e+38, desc: Normalization, min_value: null, max_value: null, | |
unit: 1 / keV, delta: 0.3, free: true} | |
piv: {value: 1.0, desc: Pivot (keep this fixed), min_value: null, max_value: null, | |
unit: keV, delta: 0.3, free: false} | |
alpha: {value: -0.75, desc: index, min_value: null, max_value: null, unit: '', | |
delta: 0.6, free: true} | |
beta: | |
value: f(time) | |
desc: curvature (negative is concave, positive is convex) | |
min_value: null | |
max_value: null | |
unit: '' | |
law: | |
line: | |
a: {value: -0.0032, desc: linear coefficient, min_value: null, max_value: null, | |
unit: 1 / s, delta: 0.3, free: true} | |
b: {value: 0.0, desc: intercept, min_value: null, max_value: null, unit: '', | |
delta: 0.1, free: true} | |
delta: 0.3 | |
free: false | |
polarization: {} | |
synch_source (point source): | |
position: | |
ra: {value: 12.6, desc: Right Ascension, min_value: 0.0, max_value: 360.0, unit: deg, | |
delta: 3.78, free: false} | |
dec: {value: -13.5, desc: Declination, min_value: -90.0, max_value: 90.0, unit: deg, | |
delta: 4.05, free: false} | |
equinox: J2000 | |
spectrum: | |
main: | |
synchrotron: | |
B: | |
value: f(time) | |
desc: magnetic field | |
min_value: null | |
max_value: null | |
unit: G | |
law: | |
powerlaw: | |
K: {value: 0.000125, desc: Normalization (differential flux at the pivot | |
value), min_value: null, max_value: null, unit: G, delta: 0.3, free: true} | |
piv: {value: 1.0, desc: Pivot value, min_value: null, max_value: null, | |
unit: s, delta: 0.3, free: false} | |
index: {value: -1.0, desc: Photon index, min_value: -10.0, max_value: 10.0, | |
unit: '', delta: 0.6, free: true} | |
delta: 9.72e-07 | |
free: false | |
distance: {value: 1.0, desc: distance of the source, min_value: null, max_value: null, | |
unit: kpc, delta: 0.3, free: true} | |
emin: {value: 1.0, desc: minimum energy for the particle distribution, min_value: null, | |
max_value: null, unit: GeV, delta: 0.3, free: false} | |
emax: {value: 510000.0, desc: maximum energy for the particle distribution, | |
min_value: null, max_value: null, unit: GeV, delta: 153000.0, free: false} | |
need: {value: 10.0, desc: number of points per decade in which to evaluate | |
the function, min_value: 2.0, max_value: 100.0, unit: '', delta: 3.0, | |
free: false} | |
extra_setup: {particle_distribution: electrons.spectrum.main.log_parabola} | |
polarization: {} | |
time (IndependentVariable): {value: 100.0, desc: None, min_value: null, max_value: null, | |
unit: s} |
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An example of a YAML file from astromodels with two parameters depending on time through respectively a powerlaw and a line.