yt.lagos.Halo

class yt.lagos.Halo(halo_list, id, indices=None, size=None, CoM=None, max_dens_point=None, group_total_mass=None, max_radius=None, bulk_vel=None, tasks=None, rms_vel=None)

A data source that returns particle information about the members of a HOP-identified halo.

Attributes

indices

Methods

bulk_velocity() Returns the mass-weighted average velocity in cm/s.
center_of_mass() Calculate and return the center of mass.
get_size()
get_sphere([center_of_mass]) Returns a sphere source.
maximum_density() Return the HOP-identified maximum density. Not applicable to
maximum_density_location() Return the location HOP identified as maximally dense. Not
maximum_radius([center_of_mass]) Returns the maximum radius in the halo for all particles, either from the point of maximum density or from the center of mass.
rms_velocity() Returns the mass-weighted RMS velocity for the halo
total_mass() Returns the total mass in solar masses of the halo.
virial_bin([virial_overdensity, bins]) Returns the bin index of the virial radius of the halo.
virial_info([bins]) Calculates the virial information for the halo.
virial_mass([virial_overdensity, bins]) Return the virial mass of the halo in Msun, using only the particles
virial_radius([virial_overdensity, bins]) Return the virial radius of the halo in code units.
write_particle_list(handle)

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