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Dust curves example¶
Plot dust curves
import cmasher as cmr
import matplotlib.pyplot as plt
import numpy as np
from unyt import Angstrom, um
from synthesizer.emission_models import attenuation
models = [
"PowerLaw",
"Calzetti2000",
"MWN18",
"GrainsWD01",
"GrainsWD01",
"GrainsWD01",
"ParametricLi08",
"ParametricLi08",
"ParametricLi08",
"ParametricLi08",
]
params = [
{"slope": -1.0},
{
"slope": 0.0,
"cent_lam": 0.2175 * um,
"ampl": 1.26,
"gamma": 0.0356 * um,
},
{},
{"model": "MW"},
{"model": "SMC"},
{"model": "LMC"},
{"model": "MW"},
{"model": "LMC"},
{"model": "SMC"},
{"model": "Calzetti"},
]
colors = cmr.take_cmap_colors("cmr.guppy", len(models))
lam = np.arange(1000, 10000, 10) * Angstrom
fig = plt.figure(figsize=(8, 6))
ax = fig.add_subplot(111)
for ii, (model, param) in enumerate(zip(models, params)):
emodel = getattr(attenuation, model)(**param)
ax.plot(
lam, emodel.get_tau(lam), color=colors[ii], label=f"{model}, {param}"
)
ax.set_xlabel(r"$\lambda/(\AA)$", fontsize=12)
ax.set_ylabel(r"A$_{\lambda}/$A$_{V}$", fontsize=12)
ax.set_yticks(np.arange(0, 14))
ax.set_xlim(np.min(lam), np.max(lam))
ax.legend(fontsize=10)
ax.grid(True)
plt.show()
Total running time of the script: (0 minutes 0.179 seconds)