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GW231221_135041

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Release: GWTC-4.0

Event UID: GW231221_135041-v1

Names: GW231221_135041

GPS: 1387201859.3

UTC Time: 2023-12-21 13:50:41

GraceDB: S231221ax

GCN: Query for Circulars • Notices

Timeline: Query for segments

DOI: https://doi.org/10.7935/aes8-px89

To open GWF files, use channels names as shown for GWTC-1: https://doi.org/10.7935/82H3-HH23

CWB Search Pipeline

Date added: Aug. 26, 2025

far (1/yr) 0.54
network_matched_filter_snr 10.0
p_astro 0.96

gstlal Search Pipeline

Date added: Aug. 26, 2025

far (1/yr) 8.7
network_matched_filter_snr 8.4
p_astro 0.34

C00:IMRPhenomXO4a PE for GW231221_135041

Waveform Family: C00:IMRPhenomXO4a

Date added: Aug. 26, 2025

chi_eff 0.03 +0.33 -0.36
chirp_mass_source (M_sun) 30.2 +9.5 -6.7
final_mass_source (M_sun) 72 +19 -14
luminosity_distance (Mpc) 4700 +3500 -2500
mass_1_source (M_sun) 48 +20 -14
mass_2_source (M_sun) 27 +13 -13
redshift 0.74 +0.43 -0.35
total_mass_source (M_sun) 75 +20 -14

Source File

PE Data Products in Zenodo

C00:IMRPhenomXO4a PE for GW231221_135041 (reweighted)

Waveform Family: IMRPhenomXO4a

Date added: Oct. 28, 2025

chi_eff 0.02 +0.34 -0.37
chirp_mass_source (M_sun) 30.1 +9.5 -6.8
final_mass_source (M_sun) 71 +19 -14
luminosity_distance (Mpc) 4800 +3800 -2600
mass_1_source (M_sun) 47 +20 -13
mass_2_source (M_sun) 27 +13 -13
redshift 0.76 +0.45 -0.36
total_mass_source (M_sun) 74 +20 -15

Source File

PE Data Products in Zenodo

C00:IMRPhenomXPHM-SpinTaylor PE for GW231221_135041 (reweighted)

Waveform Family: IMRPhenomXPHM-SpinTaylor

Date added: Oct. 28, 2025

chi_eff 0.03 +0.38 -0.40
chirp_mass_source (M_sun) 30.9 +9.7 -6.8
final_mass_source (M_sun) 72 +21 -15
luminosity_distance (Mpc) 4600 +3700 -2600
mass_1_source (M_sun) 46 +22 -13
mass_2_source (M_sun) 29 +13 -14
redshift 0.73 +0.45 -0.36
total_mass_source (M_sun) 76 +22 -15

Source File

PE Data Products in Zenodo

C00:Mixed+XO4a PE for GW231221_135041

Waveform Family: C00:Mixed+XO4a

Date added: Aug. 26, 2025

chi_eff 0.02 +0.36 -0.37
chirp_mass_source (M_sun) 30.9 +9.5 -6.8
final_mass_source (M_sun) 74 +20 -15
luminosity_distance (Mpc) 4400 +3600 -2400
mass_1_source (M_sun) 48 +22 -14
mass_2_source (M_sun) 28 +13 -13
redshift 0.71 +0.44 -0.34
total_mass_source (M_sun) 77 +21 -15

Source File

PE Data Products in Zenodo

C00:Mixed+XO4a PE for GW231221_135041 (reweighted)

Waveform Family: Mixed+XO4a

Date added: Oct. 28, 2025

chi_eff 0.01 +0.36 -0.38
chirp_mass_source (M_sun) 30.7 +9.5 -6.8
final_mass_source (M_sun) 72 +20 -15
luminosity_distance (Mpc) 4600 +3700 -2500
mass_1_source (M_sun) 47 +21 -13
mass_2_source (M_sun) 28 +13 -13
redshift 0.73 +0.45 -0.36
total_mass_source (M_sun) 76 +21 -15

Source File

PE Data Products in Zenodo

Default PE

C00:Mixed PE for GW231221_135041

Waveform Family: C00:Mixed

Date added: Aug. 26, 2025

chi_eff 0.02 +0.37 -0.38
chirp_mass_source (M_sun) 31.3 +9.4 -6.7
final_mass_source (M_sun) 75 +20 -15
luminosity_distance (Mpc) 4300 +3500 -2300
mass_1_source (M_sun) 48 +22 -14
mass_2_source (M_sun) 29 +13 -14
redshift 0.69 +0.44 -0.33
total_mass_source (M_sun) 78 +21 -16

Source File

PE Data Products in Zenodo

C00:Mixed PE for GW231221_135041 (reweighted)

Waveform Family: Mixed

Date added: Oct. 28, 2025

chi_eff 0.01 +0.36 -0.38
chirp_mass_source (M_sun) 31.0 +9.4 -6.8
final_mass_source (M_sun) 73 +20 -15
luminosity_distance (Mpc) 4500 +3700 -2500
mass_1_source (M_sun) 47 +22 -13
mass_2_source (M_sun) 29 +13 -13
redshift 0.72 +0.45 -0.35
total_mass_source (M_sun) 76 +21 -16

Source File

PE Data Products in Zenodo

C00:SEOBNRv5PHM PE for GW231221_135041

Waveform Family: C00:SEOBNRv5PHM

Date added: Aug. 26, 2025

chirp_mass_source (M_sun) 31.3 +9.1 -6.6
final_mass_source (M_sun) 75 +20 -15
luminosity_distance (Mpc) 4300 +3500 -2300
mass_1_source (M_sun) 49 +23 -14
mass_2_source (M_sun) 28 +13 -14
redshift 0.68 +0.43 -0.32
total_mass_source (M_sun) 78 +20 -16

Source File

PE Data Products in Zenodo

C00:SEOBNRv5PHM PE for GW231221_135041 (reweighted)

Waveform Family: SEOBNRv5PHM

Date added: Oct. 28, 2025

chirp_mass_source (M_sun) 31.1 +9.1 -6.7
final_mass_source (M_sun) 74 +20 -15
luminosity_distance (Mpc) 4500 +3700 -2400
mass_1_source (M_sun) 48 +22 -14
mass_2_source (M_sun) 29 +12 -13
redshift 0.71 +0.45 -0.34
total_mass_source (M_sun) 77 +21 -16

Source File

PE Data Products in Zenodo

SpinTaylor PE for GW231221_135041

Waveform Family: SpinTaylor

Date added: Aug. 26, 2025

chi_eff 0.04 +0.39 -0.40
chirp_mass_source (M_sun) 31.2 +9.8 -6.8
final_mass_source (M_sun) 74 +20 -15
luminosity_distance (Mpc) 4400 +3600 -2400
mass_1_source (M_sun) 48 +22 -14
mass_2_source (M_sun) 29 +13 -14
redshift 0.70 +0.44 -0.34
total_mass_source (M_sun) 77 +21 -16

Source File

PE Data Products in Zenodo

MBTA Search Pipeline

Date added: Aug. 26, 2025

far (1/yr) 520
network_matched_filter_snr 8.1
p_astro 0.01

pycbc Search Pipeline

Date added: Aug. 26, 2025

far (1/yr) 240
network_matched_filter_snr 8.3
p_astro 0.11

H1 strain

Card image cap
4096sec • 16KHz: HDF GWF
4096sec • 4KHz: HDF GWF

L1 strain

Card image cap
4096sec • 4KHz: HDF GWF
4096sec • 16KHz: HDF GWF

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