#scale(0) id(1) desc_scale(2) desc_id(3) num_prog(4) pid(5) upid(6) desc_pid(7) phantom(8) sam_M200b(9) M200b(10) R200b(11) rs(12) vrms(13) mmp?(14) scale_of_last_MM(15) vmax(16) x(17) y(18) z(19) vx(20) vy(21) vz(22) Jx(23) Jy(24) Jz(25) Spin(26) Breadth_first_ID(27) Depth_first_ID(28) Tree_root_ID(29) Orig_halo_ID(30) Snap_idx(31) Next_coprogenitor_depthfirst_ID(32) Last_progenitor_depthfirst_ID(33) Last_mainleaf_depthfirst_ID(34) Tidal_Force(35) Tidal_ID(36) Rs_Klypin(37) M200b_all(38) Mvir(39) M200c(40) M500c(41) M2500c(42) Xoff(43) Voff(44) Spin_Bullock(45) b_to_a(46) c_to_a(47) A[x](48) A[y](49) A[z](50) b_to_a(500c)(51) c_to_a(500c)(52) A[x](500c)(53) A[y](500c)(54) A[z](500c)(55) T/|U|(56) M_pe_Behroozi(57) M_pe_Diemer(58) Halfmass_Radius(59) Macc(60) Mpeak(61) Vacc(62) Vpeak(63) Halfmass_Scale(64) Acc_Rate_Inst(65) Acc_Rate_100Myr(66) Acc_Rate_1*Tdyn(67) Acc_Rate_2*Tdyn(68) Acc_Rate_Mpeak(69) Acc_Log_Vmax_Inst(70) Acc_Log_Vmax_1*Tdyn(71) Mpeak_Scale(72) Acc_Scale(73) First_Acc_Scale(74) First_Acc_Mvir(75) First_Acc_Vmax(76) Vmax\@Mpeak(77) Tidal_Force_Tdyn(78) Log_(Vmax/Vmax_max(Tdyn;Tmpeak))(79) Time_to_future_merger(80) Future_merger_MMP_ID(81) status_sparta(82) R200m_all_spa_internal(83) M200m_all_spa_internal(84) nu200m_internal(85) status_acc_rate(86) acc_rate_200m_dyn(87) status_sparta_rsp(88) status_moria_rsp(89) Rsp-apr-mn(90) Msp-apr-mn(91) Rsp-apr-p50(92) Msp-apr-p50(93) Rsp-apr-p70(94) Msp-apr-p70(95) Rsp-apr-p75(96) Msp-apr-p75(97) Rsp-apr-p80(98) Msp-apr-p80(99) Rsp-apr-p85(100) Msp-apr-p85(101) Rsp-apr-p90(102) Msp-apr-p90(103) status_moria_hps_R200m_all_spa(104) R200m_all_spa(105) status_moria_hps_M200m_all_spa(106) M200m_all_spa(107) status_moria_hps_Rvir_all_spa(108) Rvir_all_spa(109) status_moria_hps_Mvir_all_spa(110) Mvir_all_spa(111) status_moria_hps_R200c_all_spa(112) R200c_all_spa(113) status_moria_hps_M200c_all_spa(114) M200c_all_spa(115) status_moria_hps_R500c_all_spa(116) R500c_all_spa(117) status_moria_hps_M500c_all_spa(118) M500c_all_spa(119) status_moria_hps_R200m_tcr_spa(120) R200m_tcr_spa(121) status_moria_hps_M200m_tcr_spa(122) M200m_tcr_spa(123) status_moria_hps_Rvir_tcr_spa(124) Rvir_tcr_spa(125) status_moria_hps_Mvir_tcr_spa(126) Mvir_tcr_spa(127) status_moria_hps_R200c_tcr_spa(128) R200c_tcr_spa(129) status_moria_hps_M200c_tcr_spa(130) M200c_tcr_spa(131) status_moria_hps_M500c_tcr_spa(132) M500c_tcr_spa(133) status_moria_hps_R500c_tcr_spa(134) R500c_tcr_spa(135) parent_id_Rsp-apr-mn(136) parent_id_Rsp-apr-p50(137) parent_id_Rsp-apr-p70(138) parent_id_Rsp-apr-p75(139) parent_id_Rsp-apr-p80(140) parent_id_Rsp-apr-p85(141) parent_id_Rsp-apr-p90(142) parent_id_R200m_bnd_cat(143) parent_id_Rvir_bnd_cat(144) parent_id_R200c_bnd_cat(145) parent_id_R500c_bnd_cat(146) parent_id_R200m_all_spa(147) parent_id_Rvir_all_spa(148) parent_id_R200c_all_spa(149) parent_id_R500c_all_spa(150) parent_id_R200m_tcr_spa(151) parent_id_Rvir_tcr_spa(152) parent_id_R200c_tcr_spa(153) parent_id_R500c_tcr_spa(154)
#Omega_M = 0.320000; Omega_L = 0.680000; h0 = 0.670000
#Full box size = 250.000000 Mpc/h
#Scale: Scale factor of halo.
#ID: ID of halo (unique across entire simulation).
#Desc_Scale: Scale of descendant halo, if applicable.
#Descid: ID of descendant halo, if applicable.
#Num_prog: Number of progenitors.
#Pid: ID of least massive host halo (-1 if distinct halo).
#Upid: ID of most massive host halo (different from Pid when the halo is within two or more larger halos).
#Desc_pid: Pid of descendant halo (if applicable).
#Phantom: Nonzero for halos interpolated across timesteps.
#SAM_M200b: Halo mass, smoothed across accretion history; always greater than sum of halo masses of contributing progenitors (Msun/h).  Only for use with select semi-analytical models.
#M200b: Halo mass (Msun/h).
#R200b: Halo radius (kpc/h comoving).
#Rs: Scale radius (kpc/h comoving).
#Vrms: Velocity dispersion (km/s physical).
#mmp?: whether the halo is the most massive progenitor or not.
#scale_of_last_MM: scale factor of the last major merger (Mass ratio > 0.3).
#Vmax: Maxmimum circular velocity (km/s physical).
#X/Y/Z: Halo position (Mpc/h comoving).
#VX/VY/VZ: Halo velocity (km/s physical, peculiar).
#JX/JY/JZ: Halo angular momenta ((Msun/h) * (Mpc/h) * km/s (physical)).
#Spin: Halo spin parameter.
#Breadth_first_ID: breadth-first ordering of halos within a tree.
#Depth_first_ID: depth-first ordering of halos within a tree.
#Tree_root_ID: ID of the halo at the last timestep in the tree.
#Orig_halo_ID: Original halo ID from halo finder.
#Snap_idx: Index of snapshot (in original snapshot list) from which halo originated.
#Next_coprogenitor_depthfirst_ID: Depthfirst ID of next coprogenitor.
#Last_progenitor_depthfirst_ID: Depthfirst ID of last progenitor.
#Last_mainleaf_depthfirst_ID: Depthfirst ID of last progenitor on main progenitor branch.
#Tidal_Force: Strongest tidal force from any nearby halo, in dimensionless units (Rhalo / Rhill).
#Tidal_ID: ID of halo exerting strongest tidal force.
#Rs_Klypin: Scale radius determined using Vmax and Mvir (see Rockstar paper)
#M200b_all: Mass enclosed within the specified overdensity, including unbound particles (Msun/h)
#Mvir--M2500c: Mass enclosed within specified overdensities (Msun/h)
#Xoff: Offset of density peak from average particle position (kpc/h comoving)
#Voff: Offset of density peak from average particle velocity (km/s physical)
#Spin_Bullock: Bullock spin parameter (J/(sqrt(2)*MVR))
#b_to_a, c_to_a: Ratio of second and third largest shape ellipsoid axes (B and C) to largest shape ellipsoid axis (A) (dimensionless).
#  Shapes are determined by the method in Allgood et al. (2006).
#  (500c) indicates that only particles within R500c are considered.
#A[x],A[y],A[z]: Largest shape ellipsoid axis (kpc/h comoving)
#T/|U|: ratio of kinetic to potential energies
#M_pe_*: Pseudo-evolution corrected masses (very experimental)
#Halfmass_Radius: Radius within which 1/2 of M200b is enclosed.
#Consistent Trees Version 1.01
#Macc,Vacc: Mass and Vmax at accretion.
#Mpeak,Vpeak: Peak mass and Vmax over mass accretion history.
#Halfmass_Scale: Scale factor at which the MMP reaches 0.5*Mpeak.
#Acc_Rate_*: Halo mass (or log10 vmax) accretion rates in Msun/h/yr (or dex/yr).
#            Inst: instantaneous; 100Myr: averaged over past 100Myr,
#            X*Tdyn: averaged over past X*virial dynamical time.
#            Mpeak: Growth Rate of Mpeak, averaged from current z to z+0.5
#            Log_Vmax: Growth Rate of Log10(Vmax)
#Mpeak_Scale: Scale at which Mpeak was reached.
#Acc_Scale: Scale at which satellites were (last) accreted.
#First_Acc_Scale: Scale at which current and former satellites first passed through a larger halo.
#First_Acc_(Mvir|Vmax): Mvir and Vmax at First_Acc_Scale.
#Vmax@Mpeak: Halo Vmax at the scale at which Mpeak was reached.
#Tidal_Force_Tdyn: Dimensionless tidal force averaged over past dynamical time.
#Log_(Vmax/Vmax_max(Tdyn;TMpeak)): Log10 of Vmax_now over Vmax@(Tdyn ago) OR Vmax@Mpeak (if and only if Mpeak happened > 1Tdyn ago).
#Time_to_future_merger: Time (in Gyr) until the given halo merges into a larger halo.  (-1 if no future merger happens)
#Future_merger_MMP_ID: most-massive progenitor of the halo into which the given halo merges. (-1 if the main progenitor of the future merger halo does not exist at the given scale factor.)
#status_sparta: The status of the halo at this snapshot in SPARTA. See SPARTA docs for values.
#R200m_all_spa_internal: The halo radius R200m (in physical kpc/h) used internally by SPARTA; computed from all particles for hosts, depends on settings for subs.
#M200m_all_spa_internal: The mass corresponding to R200m_all_spa_internal in units of Msun/h.
#nu200m_internal: The peak height corresponding to M200m_all_spa_internal.
#status_acc_rate: Status of the accretion rate field; this quantity cannot always be computed. See MORIA docs for values.
#acc_rate_200m_dyn: Accretion rate in units of d ln(M200m) / d ln(a) measured over one crossing time. See status_acc_rate for how this was computed.
#status_sparta_rsp: The status of the rsp analysis in SPARTA; see documentation for values.
#status_moria_rsp: The status of the rsp analysis in MORIA; see documentation for values. If the analysis fails in SPARTA, MORIA may guess values in certain situations.
#Rsp-apr-mn: Splashback radius in physical kpc/h according to definition sp-apr-mn.
#Msp-apr-mn: Splashback mass in Msun/h according to definition sp-apr-mn.
#Rsp-apr-p50: Splashback radius in physical kpc/h according to definition sp-apr-p0.
#Msp-apr-p50: Splashback mass in Msun/h according to definition sp-apr-p0.
#Rsp-apr-p70: Splashback radius in physical kpc/h according to definition sp-apr-p0.
#Msp-apr-p70: Splashback mass in Msun/h according to definition sp-apr-p0.
#Rsp-apr-p75: Splashback radius in physical kpc/h according to definition sp-apr-p0.
#Msp-apr-p75: Splashback mass in Msun/h according to definition sp-apr-p0.
#Rsp-apr-p80: Splashback radius in physical kpc/h according to definition sp-apr-p0.
#Msp-apr-p80: Splashback mass in Msun/h according to definition sp-apr-p0.
#Rsp-apr-p85: Splashback radius in physical kpc/h according to definition sp-apr-p0.
#Msp-apr-p85: Splashback mass in Msun/h according to definition sp-apr-p0.
#Rsp-apr-p90: Splashback radius in physical kpc/h according to definition sp-apr-p0.
#Msp-apr-p90: Splashback mass in Msun/h according to definition sp-apr-p0.
#status_moria_hps_R200m_all_spa: Status of definition in SPARTA/MORIA (see documentation for values).
#R200m_all_spa: SO radius in physical kpc/h.
#status_moria_hps_M200m_all_spa: Status of definition in SPARTA/MORIA (see documentation for values).
#M200m_all_spa: SO mass in Msun/h.
#status_moria_hps_Rvir_all_spa: Status of definition in SPARTA/MORIA (see documentation for values).
#Rvir_all_spa: SO radius in physical kpc/h.
#status_moria_hps_Mvir_all_spa: Status of definition in SPARTA/MORIA (see documentation for values).
#Mvir_all_spa: SO mass in Msun/h.
#status_moria_hps_R200c_all_spa: Status of definition in SPARTA/MORIA (see documentation for values).
#R200c_all_spa: SO radius in physical kpc/h.
#status_moria_hps_M200c_all_spa: Status of definition in SPARTA/MORIA (see documentation for values).
#M200c_all_spa: SO mass in Msun/h.
#status_moria_hps_R500c_all_spa: Status of definition in SPARTA/MORIA (see documentation for values).
#R500c_all_spa: SO radius in physical kpc/h.
#status_moria_hps_M500c_all_spa: Status of definition in SPARTA/MORIA (see documentation for values).
#M500c_all_spa: SO mass in Msun/h.
#status_moria_hps_R200m_tcr_spa: Status of definition in SPARTA/MORIA (see documentation for values).
#R200m_tcr_spa: SO radius in physical kpc/h.
#status_moria_hps_M200m_tcr_spa: Status of definition in SPARTA/MORIA (see documentation for values).
#M200m_tcr_spa: SO mass in Msun/h.
#status_moria_hps_Rvir_tcr_spa: Status of definition in SPARTA/MORIA (see documentation for values).
#Rvir_tcr_spa: SO radius in physical kpc/h.
#status_moria_hps_Mvir_tcr_spa: Status of definition in SPARTA/MORIA (see documentation for values).
#Mvir_tcr_spa: SO mass in Msun/h.
#status_moria_hps_R200c_tcr_spa: Status of definition in SPARTA/MORIA (see documentation for values).
#R200c_tcr_spa: SO radius in physical kpc/h.
#status_moria_hps_M200c_tcr_spa: Status of definition in SPARTA/MORIA (see documentation for values).
#M200c_tcr_spa: SO mass in Msun/h.
#status_moria_hps_M500c_tcr_spa: Status of definition in SPARTA/MORIA (see documentation for values).
#M500c_tcr_spa: SO mass in Msun/h.
#status_moria_hps_R500c_tcr_spa: Status of definition in SPARTA/MORIA (see documentation for values).
#R500c_tcr_spa: SO radius in physical kpc/h.
#parent_id_Rsp-apr-mn: Parent ID of halo according to radius definition Rsp-apr-mn.
#parent_id_Rsp-apr-p50: Parent ID of halo according to radius definition Rsp-apr-p50.
#parent_id_Rsp-apr-p70: Parent ID of halo according to radius definition Rsp-apr-p70.
#parent_id_Rsp-apr-p75: Parent ID of halo according to radius definition Rsp-apr-p75.
#parent_id_Rsp-apr-p80: Parent ID of halo according to radius definition Rsp-apr-p80.
#parent_id_Rsp-apr-p85: Parent ID of halo according to radius definition Rsp-apr-p85.
#parent_id_Rsp-apr-p90: Parent ID of halo according to radius definition Rsp-apr-p90.
#parent_id_R200m_bnd_cat: Parent ID of halo according to radius definition R200m_bnd_cat.
#parent_id_Rvir_bnd_cat: Parent ID of halo according to radius definition Rvir_bnd_cat.
#parent_id_R200c_bnd_cat: Parent ID of halo according to radius definition R200c_bnd_cat.
#parent_id_R500c_bnd_cat: Parent ID of halo according to radius definition R500c_bnd_cat.
#parent_id_R200m_all_spa: Parent ID of halo according to radius definition R200m_all_spa.
#parent_id_Rvir_all_spa: Parent ID of halo according to radius definition Rvir_all_spa.
#parent_id_R200c_all_spa: Parent ID of halo according to radius definition R200c_all_spa.
#parent_id_R500c_all_spa: Parent ID of halo according to radius definition R500c_all_spa.
#parent_id_R200m_tcr_spa: Parent ID of halo according to radius definition R200m_tcr_spa.
#parent_id_Rvir_tcr_spa: Parent ID of halo according to radius definition Rvir_tcr_spa.
#parent_id_R200c_tcr_spa: Parent ID of halo according to radius definition R200c_tcr_spa.
#parent_id_R500c_tcr_spa: Parent ID of halo according to radius definition R500c_tcr_spa.