# Load data in
cube = SpectralCube.read(iram_co21_data_path("m33.co21_iram.fits"))
del cube._header[""]
# cube = cube.with_mask(cube > 0.1 * u.K)
mask = fits.getdata(iram_co21_data_path("m33.co21_new_assign_clfind.fits"))
cube = cube.with_mask(mask.astype(bool))
lwidth_co = cube.linewidth_sigma()
lwidth_hi = fits.open(fourteenB_HI_data_path(lwidth_name))[0]
lwidth_hi = Projection(lwidth_hi.data, wcs=WCS(lwidth_hi.header),
unit=u.m / u.s)
dr = 250 * u.pc
rs, sd, sd_sigma = radial_profile(gal, lwidth_co, max_rad=6 * u.kpc,
dr=dr)
sd = sd.to(u.km / u.s)
sd_sigma = sd_sigma.to(u.km / u.s)
p.errorbar(rs.value, sd.value,
yerr=sd_sigma.value, fmt="-", color="b",
drawstyle='steps-mid')
p.xlabel("R (kpc)")
p.ylabel("CO Velocity Dispersion (km/s)")
p.grid()
p.draw()
p.savefig(paper1_figures_path("co_veldisp_profile_{}pc.pdf".format(dr.value)))
p.savefig(paper1_figures_path("co_veldisp_profile_{}pc.png".format(dr.value)))
p.close()
p.draw()
# raw_input("Next plot?")
p.savefig(paper1_figures_path("filfinder_radial_profile_models.pdf"))
p.savefig(paper1_figures_path("filfinder_radial_profile_models.png"))
p.clf()
# Now create a radial profile of the distance between filaments
# Create a radial profile of the HI vel disp out to 8 kpc.
dist_arr = Projection(nd.distance_transform_edt(~skeleton) * pixscale,
unit=u.pc, wcs=mom0.wcs)
dist_arr.meta['beam'] = beam
rs, sd, sd_sigma = radial_profile(gal, dist_arr, max_rad=10 * u.kpc,
dr=100 * u.pc)
# Multiply 2 to get the average distance instead of radius
sd = 2 * sd
sd_sigma = 2 * sd_sigma
p.errorbar(rs.value, sd.value,
yerr=sd_sigma.value, fmt="-", color="b",
drawstyle='steps-mid')
p.xlabel("R (kpc)")
p.ylabel("Average Distance between Filaments (pc)")
p.grid()
p.xlim([0, 8])
p.ylim([80, 300])
p.draw()