Skip to main content
Back to top
Ctrl
+
K
Tutorials & walkthroughs
Quick-start
Reading snapshots
Sub-views & filters
Halos & groups
Linking snapshots
Profiles
Images
Halo mass function
Performance
Derived quantities
Configuration
Threading/multiprocessing
Reference
pynbody.array
pynbody.array.array_factory
pynbody.array.IndexedSimArray
pynbody.array.SimArray
pynbody.array.shared
pynbody.array.shared.delete_dangling_shared_memory
pynbody.array.shared.get_num_shared_arrays_owned
pynbody.array.shared.make_shared_array
pynbody.array.shared.remote_map
pynbody.array.shared.shared_array_remote
pynbody.array.shared.SharedMemorySimArray
pynbody.bridge
pynbody.bridge.bridge_factory
pynbody.bridge.AbstractBridge
pynbody.bridge.OneToOneBridge
pynbody.bridge.OrderBridge
pynbody.configuration
pynbody.configuration.set_logging_level
pynbody.derived
pynbody.derived.aform
pynbody.derived.age
pynbody.derived.alt
pynbody.derived.az
pynbody.derived.cs
pynbody.derived.iord_argsort
pynbody.derived.j
pynbody.derived.j2
pynbody.derived.jz
pynbody.derived.ke
pynbody.derived.mu
pynbody.derived.p
pynbody.derived.r
pynbody.derived.rxy
pynbody.derived.te
pynbody.derived.temp
pynbody.derived.tform
pynbody.derived.theta
pynbody.derived.u
pynbody.derived.v2
pynbody.derived.v_curl
pynbody.derived.v_disp
pynbody.derived.v_div
pynbody.derived.v_mean
pynbody.derived.vcxy
pynbody.derived.vorticity
pynbody.derived.vphi
pynbody.derived.vr
pynbody.derived.vrxy
pynbody.derived.vt
pynbody.derived.vtheta
pynbody.derived.zeldovich_offset
pynbody.filt
pynbody.filt.And
pynbody.filt.Annulus
pynbody.filt.BandPass
pynbody.filt.Cuboid
pynbody.filt.Disc
pynbody.filt.FamilyFilter
pynbody.filt.Filter
pynbody.filt.HighPass
pynbody.filt.LowPass
pynbody.filt.Not
pynbody.filt.Or
pynbody.filt.SolarNeighborhood
pynbody.filt.Sphere
pynbody.filt.geometry_selection
pynbody.filt.geometry_selection.selection
pynbody.halo
pynbody.halo.DummyHalo
pynbody.halo.Halo
pynbody.halo.HaloCatalog
pynbody.halo.HaloCatalogue
pynbody.halo.adaptahop
pynbody.halo.adaptahop.AdaptaHOPCatalog
pynbody.halo.adaptahop.AdaptaHOPCatalogue
pynbody.halo.adaptahop.BaseAdaptaHOPCatalog
pynbody.halo.adaptahop.BaseAdaptaHOPCatalogue
pynbody.halo.adaptahop.NewAdaptaHOPCatalog
pynbody.halo.adaptahop.NewAdaptaHOPCatalogue
pynbody.halo.ahf
pynbody.halo.ahf.AHFCatalog
pynbody.halo.ahf.AHFCatalogue
pynbody.halo.details
pynbody.halo.details.iord_mapping
pynbody.halo.details.number_mapping
pynbody.halo.details.particle_indices
pynbody.halo.hbtplus
pynbody.halo.hbtplus.HBTPlusCatalog
pynbody.halo.hbtplus.HBTPlusCatalogWithGroups
pynbody.halo.hbtplus.HBTPlusCatalogue
pynbody.halo.hbtplus.HBTPlusCatalogueWithGroups
pynbody.halo.hop
pynbody.halo.hop.HOPCatalog
pynbody.halo.hop.HOPCatalogue
pynbody.halo.number_array
pynbody.halo.number_array.AmigaGrpCatalog
pynbody.halo.number_array.AmigaGrpCatalogue
pynbody.halo.number_array.HaloNumberCatalog
pynbody.halo.number_array.HaloNumberCatalogue
pynbody.halo.rockstar
pynbody.halo.rockstar.RockstarCatalog
pynbody.halo.rockstar.RockstarCatalogue
pynbody.halo.subfind
pynbody.halo.subfind.SubfindCatalog
pynbody.halo.subfind.SubfindCatalogue
pynbody.halo.subfindhdf
pynbody.halo.subfindhdf.ArepoSubfindHDFCatalog
pynbody.halo.subfindhdf.ArepoSubfindHDFCatalogue
pynbody.halo.subfindhdf.Gadget4SubfindHDFCatalog
pynbody.halo.subfindhdf.Gadget4SubfindHDFCatalogue
pynbody.halo.subfindhdf.SubFindHDFHaloCatalog
pynbody.halo.subfindhdf.SubFindHDFHaloCatalogue
pynbody.halo.subfindhdf.TNGSubfindHDFCatalog
pynbody.halo.subfindhdf.TNGSubfindHDFCatalogue
pynbody.halo.subhalo_catalogue
pynbody.halo.subhalo_catalogue.SubhaloCatalog
pynbody.halo.subhalo_catalogue.SubhaloCatalogue
pynbody.halo.velociraptor
pynbody.halo.velociraptor.VelociraptorCatalog
pynbody.halo.velociraptor.VelociraptorCatalogue
pynbody.snapshot
pynbody.snapshot.load
pynbody.snapshot.new
pynbody.snapshot.ascii
pynbody.snapshot.ascii.AsciiSnap
pynbody.snapshot.copy_on_access
pynbody.snapshot.copy_on_access.CopyOnAccessSimSnap
pynbody.snapshot.copy_on_access.UnderlyingClassMixin
pynbody.snapshot.gadget
pynbody.snapshot.gadget.gadget_type
pynbody.snapshot.gadget.GadgetSnap
pynbody.snapshot.gadgethdf
pynbody.snapshot.gadgethdf.CIV
pynbody.snapshot.gadgethdf.HI
pynbody.snapshot.gadgethdf.HID12
pynbody.snapshot.gadgethdf.HII
pynbody.snapshot.gadgethdf.HIeos
pynbody.snapshot.gadgethdf.HeI
pynbody.snapshot.gadgethdf.HeII
pynbody.snapshot.gadgethdf.HeIII
pynbody.snapshot.gadgethdf.MGII
pynbody.snapshot.gadgethdf.NV
pynbody.snapshot.gadgethdf.OI
pynbody.snapshot.gadgethdf.OII
pynbody.snapshot.gadgethdf.OVI
pynbody.snapshot.gadgethdf.SIV
pynbody.snapshot.gadgethdf.c_n_sq
pynbody.snapshot.gadgethdf.caxh
pynbody.snapshot.gadgethdf.cosmodm
pynbody.snapshot.gadgethdf.cxh
pynbody.snapshot.gadgethdf.dm
pynbody.snapshot.gadgethdf.doppler_redshift
pynbody.snapshot.gadgethdf.em
pynbody.snapshot.gadgethdf.feh
pynbody.snapshot.gadgethdf.halpha
pynbody.snapshot.gadgethdf.hetot
pynbody.snapshot.gadgethdf.hexh
pynbody.snapshot.gadgethdf.hydrogen
pynbody.snapshot.gadgethdf.mgfe
pynbody.snapshot.gadgethdf.mgxh
pynbody.snapshot.gadgethdf.ne
pynbody.snapshot.gadgethdf.nefe
pynbody.snapshot.gadgethdf.nexh
pynbody.snapshot.gadgethdf.nxh
pynbody.snapshot.gadgethdf.ofe
pynbody.snapshot.gadgethdf.oxh
pynbody.snapshot.gadgethdf.p
pynbody.snapshot.gadgethdf.redshift
pynbody.snapshot.gadgethdf.rho_ne
pynbody.snapshot.gadgethdf.sife
pynbody.snapshot.gadgethdf.sixh
pynbody.snapshot.gadgethdf.sxh
pynbody.snapshot.gadgethdf.u
pynbody.snapshot.gadgethdf.EagleLikeHDFSnap
pynbody.snapshot.gadgethdf.GadgetHDFSnap
pynbody.snapshot.gadgethdf.SubFindHDFSnap
pynbody.snapshot.grafic
pynbody.snapshot.grafic.GrafICSnap
pynbody.snapshot.namemapper
pynbody.snapshot.namemapper.name_map_function
pynbody.snapshot.namemapper.setup_name_maps
pynbody.snapshot.namemapper.AdaptiveNameMapper
pynbody.snapshot.nchilada
pynbody.snapshot.nchilada.NchiladaSnap
pynbody.snapshot.ramses
pynbody.snapshot.ramses.mass
pynbody.snapshot.ramses.temp
pynbody.snapshot.ramses.RamsesSnap
pynbody.snapshot.simsnap
pynbody.snapshot.simsnap.SimSnap
pynbody.snapshot.subsnap
pynbody.snapshot.subsnap.ExposedBaseSnapshotMixin
pynbody.snapshot.subsnap.FamilySubSnap
pynbody.snapshot.subsnap.IndexedSubSnap
pynbody.snapshot.subsnap.IndexingViewMixin
pynbody.snapshot.subsnap.SubSnap
pynbody.snapshot.subsnap.SubSnapBase
pynbody.snapshot.swift
pynbody.snapshot.swift.ExtractScalarWrapper
pynbody.snapshot.swift.SwiftMultiFileManager
pynbody.snapshot.swift.SwiftSnap
pynbody.snapshot.tipsy
pynbody.snapshot.tipsy.HII
pynbody.snapshot.tipsy.HeIII
pynbody.snapshot.tipsy.c_s
pynbody.snapshot.tipsy.c_s_turb
pynbody.snapshot.tipsy.feh
pynbody.snapshot.tipsy.hetot
pynbody.snapshot.tipsy.hydrogen
pynbody.snapshot.tipsy.ljeans
pynbody.snapshot.tipsy.ljeans_turb
pynbody.snapshot.tipsy.load_paramfile
pynbody.snapshot.tipsy.mgfe
pynbody.snapshot.tipsy.mjeans
pynbody.snapshot.tipsy.mjeans_turb
pynbody.snapshot.tipsy.ne
pynbody.snapshot.tipsy.nefe
pynbody.snapshot.tipsy.ofe
pynbody.snapshot.tipsy.oxh
pynbody.snapshot.tipsy.param2units
pynbody.snapshot.tipsy.settime
pynbody.snapshot.tipsy.settimeN
pynbody.snapshot.tipsy.sife
pynbody.snapshot.tipsy.slparam2units
pynbody.snapshot.tipsy.StarLog
pynbody.snapshot.tipsy.TipsySnap
pynbody.snapshot.util
pynbody.snapshot.util.ContainerWithPhysicalUnitsOption
pynbody.transformation
pynbody.transformation.inverse_translate
pynbody.transformation.inverse_v_translate
pynbody.transformation.inverse_xv_translate
pynbody.transformation.null
pynbody.transformation.transform
pynbody.transformation.translate
pynbody.transformation.v_translate
pynbody.transformation.xv_translate
pynbody.transformation.GenericRotation
pynbody.transformation.GenericTranslation
pynbody.transformation.NullTransformation
pynbody.transformation.Rotation
pynbody.transformation.Transformable
pynbody.transformation.Transformation
pynbody.units
pynbody.units.Unit
pynbody.units.get_item_with_unit
pynbody.units.has_unit
pynbody.units.has_units
pynbody.units.is_unit
pynbody.units.is_unit_like
pynbody.units.takes_arg_in_units
pynbody.units.CompositeUnit
pynbody.units.IrreducibleUnit
pynbody.units.NamedUnit
pynbody.units.NoUnit
pynbody.units.UnitBase
pynbody.analysis
pynbody.analysis.angmom
pynbody.analysis.angmom.align
pynbody.analysis.angmom.ang_mom_vec
pynbody.analysis.angmom.ang_mom_vec_units
pynbody.analysis.angmom.calc_faceon_matrix
pynbody.analysis.angmom.calc_sideon_matrix
pynbody.analysis.angmom.faceon
pynbody.analysis.angmom.sideon
pynbody.analysis.angmom.spin_parameter
pynbody.analysis.cosmology
pynbody.analysis.cosmology.H
pynbody.analysis.cosmology.add_hubble
pynbody.analysis.cosmology.age
pynbody.analysis.cosmology.comoving_to_physical
pynbody.analysis.cosmology.linear_growth_factor
pynbody.analysis.cosmology.rate_linear_growth
pynbody.analysis.cosmology.redshift
pynbody.analysis.cosmology.rho_M
pynbody.analysis.cosmology.rho_crit
pynbody.analysis.cosmology.tau
pynbody.analysis.decomp
pynbody.analysis.decomp.decomp
pynbody.analysis.gravity
pynbody.analysis.gravity.accel
pynbody.analysis.gravity.midplane_potential
pynbody.analysis.gravity.midplane_rot_curve
pynbody.analysis.gravity.potential
pynbody.analysis.halo
pynbody.analysis.halo.center
pynbody.analysis.halo.halo_shape
pynbody.analysis.halo.hybrid_center
pynbody.analysis.halo.shrink_sphere_center
pynbody.analysis.halo.vel_center
pynbody.analysis.halo.virial_radius
pynbody.analysis.hifrac
pynbody.analysis.hifrac.calculate
pynbody.analysis.hmf
pynbody.analysis.hmf.correlation
pynbody.analysis.hmf.correlation_func
pynbody.analysis.hmf.get_neffm
pynbody.analysis.hmf.halo_bias
pynbody.analysis.hmf.halo_mass_function
pynbody.analysis.hmf.simulation_halo_mass_function
pynbody.analysis.hmf.variance
pynbody.analysis.hmf.BiasedPowerSpectrum
pynbody.analysis.hmf.FieldFilter
pynbody.analysis.hmf.GaussianFilter
pynbody.analysis.hmf.HarmonicStepFilter
pynbody.analysis.hmf.PowerSpectrum
pynbody.analysis.hmf.PowerSpectrumCAMB
pynbody.analysis.hmf.TophatFilter
pynbody.analysis.interpolate
pynbody.analysis.interpolate.interpolate2d
pynbody.analysis.interpolate.interpolate3d
pynbody.analysis.ionfrac
pynbody.analysis.ionfrac.calculate
pynbody.analysis.luminosity
pynbody.analysis.luminosity.calc_mags
pynbody.analysis.luminosity.get_current_ssp_table
pynbody.analysis.luminosity.half_light_r
pynbody.analysis.luminosity.halo_lum
pynbody.analysis.luminosity.halo_mag
pynbody.analysis.luminosity.use_custom_cmd
pynbody.analysis.luminosity.use_custom_ssp_table
pynbody.analysis.luminosity.ArchivedSSPTable
pynbody.analysis.luminosity.MultiSSPTable
pynbody.analysis.luminosity.SSPTable
pynbody.analysis.luminosity.SSPTableContext
pynbody.analysis.luminosity.StevSSPTable
pynbody.analysis.pkdgrav_cosmo
pynbody.analysis.pkdgrav_cosmo.Cosmology
pynbody.analysis.profile
pynbody.analysis.profile.E_circ
pynbody.analysis.profile.Q
pynbody.analysis.profile.X
pynbody.analysis.profile.beta
pynbody.analysis.profile.density
pynbody.analysis.profile.density_enc
pynbody.analysis.profile.dyntime
pynbody.analysis.profile.fourier
pynbody.analysis.profile.g_spherical
pynbody.analysis.profile.j_circ
pynbody.analysis.profile.j_phi
pynbody.analysis.profile.j_theta
pynbody.analysis.profile.jtot
pynbody.analysis.profile.kappa
pynbody.analysis.profile.magnitudes
pynbody.analysis.profile.mass
pynbody.analysis.profile.mass_enc
pynbody.analysis.profile.omega
pynbody.analysis.profile.pattern_frequency
pynbody.analysis.profile.pot
pynbody.analysis.profile.rotation_curve_spherical
pynbody.analysis.profile.sb
pynbody.analysis.profile.v_circ
pynbody.analysis.profile.weight_fn
pynbody.analysis.profile.InclinedProfile
pynbody.analysis.profile.Profile
pynbody.analysis.profile.QuantileProfile
pynbody.analysis.profile.VerticalProfile
pynbody.analysis.ramses_util
pynbody.analysis.ramses_util.convert_to_tipsy_fullbox
pynbody.analysis.ramses_util.convert_to_tipsy_simple
pynbody.analysis.ramses_util.get_tform
pynbody.analysis.ramses_util.get_tform_using_part2birth
pynbody.analysis.ramses_util.get_tipsy_units
pynbody.analysis.ramses_util.write_ahf_input
pynbody.analysis.ramses_util.write_tipsy_param
pynbody.analysis.theoretical_profiles
pynbody.analysis.theoretical_profiles.AbstractBaseProfile
pynbody.analysis.theoretical_profiles.NFWprofile
pynbody.gravity
pynbody.gravity.calc
pynbody.gravity.calc.all_direct
pynbody.gravity.calc.all_pm
pynbody.gravity.calc.midplane_potential
pynbody.gravity.calc.midplane_rot_curve
pynbody.gravity.calc.pm
pynbody.plot
pynbody.plot.gas
pynbody.plot.gas.rho_T
pynbody.plot.gas.temp_profile
pynbody.plot.generic
pynbody.plot.generic.fourier_map
pynbody.plot.generic.gauss_kde
pynbody.plot.generic.hist2d
pynbody.plot.generic.make_contour_plot
pynbody.plot.generic.prob_plot
pynbody.plot.generic.qprof
pynbody.plot.metals
pynbody.plot.metals.mdf
pynbody.plot.metals.ofefeh
pynbody.plot.profile
pynbody.plot.profile.density_profile
pynbody.plot.profile.fourier_profile
pynbody.plot.profile.rotation_curve
pynbody.plot.quiverkey
pynbody.plot.quiverkey.PynbodyQuiverKey
pynbody.plot.sph
pynbody.plot.sph.contour
pynbody.plot.sph.faceon_image
pynbody.plot.sph.image
pynbody.plot.sph.image_radial_profile
pynbody.plot.sph.sideon_image
pynbody.plot.sph.velocity_image
pynbody.plot.sph.volume
pynbody.plot.stars
pynbody.plot.stars.behroozi
pynbody.plot.stars.contour_surface_brightness
pynbody.plot.stars.f
pynbody.plot.stars.guo
pynbody.plot.stars.hudson
pynbody.plot.stars.mollview
pynbody.plot.stars.moster
pynbody.plot.stars.oneschmidtlawpoint
pynbody.plot.stars.render
pynbody.plot.stars.render_mollweide
pynbody.plot.stars.satlf
pynbody.plot.stars.sbprofile
pynbody.plot.stars.schmidtlaw
pynbody.plot.stars.sfh
pynbody.plot.stars.subfindguo
pynbody.plot.util
pynbody.plot.util.fast_kde
pynbody.plot.util.inv_fourier
pynbody.chunk
pynbody.chunk.LoadControl
pynbody.chunk.scan
pynbody.chunk.scan.scan_for_next_stop
pynbody.dependencytracker
pynbody.dependencytracker.DependencyTracker
pynbody.family
pynbody.family.family_names
pynbody.family.get_family
pynbody.family.Family
pynbody.kdtree
pynbody.kdtree.KDTree
pynbody.kdtree.kdmain
pynbody.kdtree.kdmain.build
pynbody.kdtree.kdmain.domain_decomposition
pynbody.kdtree.kdmain.free
pynbody.kdtree.kdmain.get_arrayref
pynbody.kdtree.kdmain.get_node_count
pynbody.kdtree.kdmain.import_prebuilt
pynbody.kdtree.kdmain.init
pynbody.kdtree.kdmain.nn_next
pynbody.kdtree.kdmain.nn_rewind
pynbody.kdtree.kdmain.nn_start
pynbody.kdtree.kdmain.nn_stop
pynbody.kdtree.kdmain.particles_in_sphere
pynbody.kdtree.kdmain.populate
pynbody.kdtree.kdmain.set_arrayref
pynbody.openmp
pynbody.openmp.get_cpus
pynbody.openmp.get_threads
pynbody.openmp.set_threads
pynbody.simdict
pynbody.simdict.default_fn
pynbody.simdict.SimDict
pynbody.sph
pynbody.sph.render_image
pynbody.sph.render_spherical_image
pynbody.sph.rho
pynbody.sph.smooth
pynbody.sph.spectra
pynbody.sph.to_3d_grid
pynbody.sph.Kernel
pynbody.sph.Kernel2D
pynbody.sph.TopHatKernel
pynbody.sph.WendlandC2Kernel
pynbody.test_utils
pynbody.test_utils.gadget4_subfind_reader
pynbody.test_utils.gadget4_subfind_reader.Halos
pynbody.test_utils.pyread_gadget_hdf5
pynbody.test_utils.pyread_gadget_hdf5.pyread_gadget_hdf5
pynbody.util
pynbody.util.arrays_are_same
pynbody.util.bisect
pynbody.util.chained_slice
pynbody.util.concatenate_indexing
pynbody.util.cutgz
pynbody.util.deprecated
pynbody.util.eps_as_simarray
pynbody.util.equipartition
pynbody.util.gamma_inc
pynbody.util.gauss_jordan
pynbody.util.gcf
pynbody.util.get_eps
pynbody.util.index_before_slice
pynbody.util.index_of_first
pynbody.util.indexing_length
pynbody.util.intersect_slices
pynbody.util.lcm
pynbody.util.open_
pynbody.util.open_with_size
pynbody.util.random_rotation_matrix
pynbody.util.rational_matrix_inv
pynbody.util.relative_slice
pynbody.util.set_array_if_not_same
pynbody.util.thread_map
pynbody.util.threadsafe_inline
pynbody.util.ExecutionControl
pynbody.util.hdf_vds
pynbody.util.hdf_vds.HdfVdsMaker
pynbody.util.iter_subclasses
pynbody.util.iter_subclasses.IterableSubclasses
Installation
.rst
.pdf
pynbody.analysis.profile.Q
Contents
Q()
pynbody.analysis.profile.Q
#
pynbody.analysis.profile.
Q
(
self
)
[source]
#
Toomre Q parameter
Contents
Q()
