Discovering nearly equal mass IMBHs in the local universe [4.5 yr]
FoM
Science investigation and Observational requirement: SI 3.2.4a from Science requirement document.
Detection of MBHB with source-frame mass in the range \(10^3-10^4\) M\(_\odot\) and formation redshift in the range \(z<1\) with SNR\(>20\)
Summary
| Ms | z | snr | tdet_s | dMc/Mc | dq/q | dDL/DL |
|---|---|---|---|---|---|---|
| 1200.000000 | 0.500000 | 28.627013 | 4036996.830364 | 0.000005 | 1.376234 | 0.116846 |
| 12000.000000 | 0.500000 | 229.345940 | 6204539.129419 | 0.000002 | 0.082334 | 0.021790 |
MBHB with waveform IMRPhenomHM of
- mass = [1200.0, 12000.0] solar mass
- mass ratio in [1, 1.01] (log uniform),
- redshift = [0.5]
- t0 in [0.10 - 0.95] (uniform)
- chi in [0.00 - 0.00] (uniform))
Conducting monte-carlo over 100 trials, randomizing spins, sky position and orientation
Assuming SNR threshold for detection: 20.0
Detailed results
Ms=1200.0, z=0.5
Ms=12000.0, z=0.5
waveform_params
'''
- minf : 2e-05
- maxf : 1
- fend : None
- tmin : 0.0
- tmax : None
- phiref : 0.0
- fref_for_phiref : 0.0
- toffset : 0.0
- TDI : TDI2AET
- acc : 0.0001
- order_fresnel_stencil : 0
- approximant : IMRPhenomHM
- responseapprox : full
- frozenLISA : False
- TDIrescaled : False
- LISAconst : {'OrbitOmega': 1.9909865927683783e-07, 'OrbitPhi0': 0.0, 'Orbitt0': 0.0, 'OrbitR': 149597870700.0, 'OrbitL': 2500000000.0}
- LISAnoise : [[2.00000000e-05 4.71195758e-45 4.71195758e-45 6.70581547e-55] [2.10000000e-05 4.71334803e-45 4.71334803e-45 8.15094897e-55] [2.20000000e-05 4.71480631e-45 4.71480631e-45 9.81800142e-55] ... [9.99998000e-01 2.73617388e-36 2.73617388e-36 5.73895037e-36] [9.99999000e-01 2.73619429e-36 2.73619429e-36 5.73933494e-36] [1.00000000e+00 2.73621460e-36 2.73621460e-36 5.73971931e-36]]
- timetomerger_max : 4.5
- modes : [(2, 2), (2, 1), (3, 3), (4, 4)] '''
Input parameters
- log : log/SO2_parameter_estimation.imbh1.log
- config : config.yml
- subconfig :
- duration : 4.5 yr
- duty_cycle : 0.89
- armlength : 2500000000.0 m
- noise : SciRDv1_redbook/noise_background_4.5_yr.npy
- show : False
- fast : 0
- tdi2 : 1
- freqs : [2e-05, 1]
- force_duration : 4.5_yr
- report : SciRDv1_redbook/report_SO2a_parameter_estimation.imbh1.md
- random_seed : 2137
- mass_range : [1200.0, 12000.0]
- z_range : [0.5]
- spin_range : [0, 0]
- mass_ratio_range : [1, 1.01]
- snr_thresh : 20
- fom_range : [50, 75, 90]
- fom_title : Discovering nearly equal mass IMBHs in the local universe
- fom_or : ['SI 3.2.4a']
- fom_objective : Detectability/PE for MBHB
- fom_config : SO2/parameter_estimation.imbh1.yml
- nproc : 24
- fom_obj : Detection of MBHB with source-frame mass in the range $10^3-10^4$ M$_\odot$ and formation redshift in the range $z<1$ with SNR$>20$