rabacus.uv_bgnd package¶

Subpackages¶

Submodules¶

rabacus.uv_bgnd.hm12 module¶

Handles IO and standard spectra creation for files related to the Haardt and Madau 2012 UV Background http://adsabs.harvard.edu/abs/2012ApJ...746..125H. Default units are eV and s for ease of comparison between this code and the results in the paper.

class rabacus.uv_bgnd.hm12.HM12_Photorates_Table[source]¶

Handles the tabulated HM12 photoionization and heating data from Table 3 in http://adsabs.harvard.edu/abs/2012ApJ...746..125H.

Attributes:

u (Units)

pc (PhysicalConstants)

H1h(z)[source]¶

H1 photoheating rate as a function of z.

Args:

z (float): redshift

Returns:

H1h (float): H1 photoheating rate

H1i(z)[source]¶

H1 photoionization rate as a function of z.

Args:

z (float): redshift

Returns:

H1i (float): H1 photoionization rate

He1h(z)[source]¶

He1 photoheating rate as a function of z.

Args:

z (float): redshift

Returns:

He1h (float): He1 photoheating rate

He1i(z)[source]¶

He1 photoionization rate as a function of z.

Args:

z (float): redshift

Returns:

He1i (float): He1 photoionization rate

He2h(z)[source]¶

He2 photoheating rate as a function of z.

Args:

z (float): redshift

Returns:

He2h (float): He2 photoheating rate

He2i(z)[source]¶

He2 photoionization rate as a function of z.

Args:

z (float): redshift

Returns:

He2i (float): He2 photoionization rate

comptonh(z)[source]¶

Compton heating rate as a function of z.

Args:

z (float): redshift

Returns:

comptonh (flaot): Compton heating rate

class rabacus.uv_bgnd.hm12.HM12_UVB_Table[source]¶

Handles the tabulated HM12 spectrum.

Attributes:

U (Units)

PC (PhysicalConstants)

z (array): 1-D array [Nz] redshift

Inu (array): 2-D array [Nnu, Nz] specific intensity [erg/(cm**2 s sr Hz)]

nu (array): 1-D array [Nnu] photon frequency

lam (array): 1-D array [Nnu] photon wavelength

E (array): 1-D array [Nnu] photon energy

return_Inu_intrp(z)[source]¶

Generates an interpolating function giving log Inu for a given log lamda at the requested redshift.

Args:

z (float): requested redshift

Returns:

intrpf (function): interpolating function giving log Inu for a given log lambda

return_spectrum_E(z, E)[source]¶

Interpolates the HM12 tabulated spectrum in redshift at the requested energies.

Args:

z (float): requested redshift

E (array): requested energies

Returns:

Inu (array): specific intensity at requested energies

return_spectrum_lam(z, lam)[source]¶

Interpolates the HM12 tabulated spectrum in redshift at the requested wavelengths.

Args:

z (float): requested redshift

lam (array): requested wavelengths

Returns:

Inu (array): specific intensity at requested wavelengths

return_spectrum_nu(z, nu)[source]¶

Interpolates the HM12 tabulated spectrum in redshift at the requested frequencies.

Args:

z (float): requested redshift

nu (array): requested frequencies

Returns:

Inu (array): specific intensity at requested frequencies

Module contents¶

A package to handle models of the UV Background.