| | """ |
| | ================ |
| | Parasite Simple2 |
| | ================ |
| | |
| | """ |
| | import matplotlib.pyplot as plt |
| |
|
| | import matplotlib.transforms as mtransforms |
| | from mpl_toolkits.axes_grid1.parasite_axes import HostAxes |
| |
|
| | obs = [["01_S1", 3.88, 0.14, 1970, 63], |
| | ["01_S4", 5.6, 0.82, 1622, 150], |
| | ["02_S1", 2.4, 0.54, 1570, 40], |
| | ["03_S1", 4.1, 0.62, 2380, 170]] |
| |
|
| |
|
| | fig = plt.figure() |
| |
|
| | ax_kms = fig.add_subplot(axes_class=HostAxes, aspect=1) |
| |
|
| | |
| | pm_to_kms = 1./206265.*2300*3.085e18/3.15e7/1.e5 |
| |
|
| | aux_trans = mtransforms.Affine2D().scale(pm_to_kms, 1.) |
| | ax_pm = ax_kms.twin(aux_trans) |
| |
|
| | for n, ds, dse, w, we in obs: |
| | time = ((2007 + (10. + 4/30.)/12) - 1988.5) |
| | v = ds / time * pm_to_kms |
| | ve = dse / time * pm_to_kms |
| | ax_kms.errorbar([v], [w], xerr=[ve], yerr=[we], color="k") |
| |
|
| |
|
| | ax_kms.axis["bottom"].set_label("Linear velocity at 2.3 kpc [km/s]") |
| | ax_kms.axis["left"].set_label("FWHM [km/s]") |
| | ax_pm.axis["top"].set_label(r"Proper Motion [$''$/yr]") |
| | ax_pm.axis["top"].label.set_visible(True) |
| | ax_pm.axis["right"].major_ticklabels.set_visible(False) |
| |
|
| | ax_kms.set_xlim(950, 3700) |
| | ax_kms.set_ylim(950, 3100) |
| | |
| |
|
| | plt.show() |
| |
|
