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Datasets:
PhysiQuanty
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LIGO-VIRGO-O4b-16KHZ

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detector
string
gps_start
int64
utc_start
string
duration
int32
sample_rate
int32
frame_type
string
strain_channel
string
sample_index
int64
gps_time
float64
second_index
int32
strain
float32
strain_x1e18
float32
dqmask
uint32
injmask
uint32
source_file
string
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61
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V-V1_GWOSC_O4b_16KHZ_R1-1396461568-4096.hdf5
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2024-04-06T17:59:10
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V1:Hrec_hoftRepro1AR_16384Hz
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V-V1_GWOSC_O4b_16KHZ_R1-1396461568-4096.hdf5
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2024-04-06T17:59:10
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V-V1_GWOSC_O4b_16KHZ_R1-1396461568-4096.hdf5
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V-V1_GWOSC_O4b_16KHZ_R1-1396461568-4096.hdf5
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2024-04-06T17:59:10
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V-V1_GWOSC_O4b_16KHZ_R1-1396461568-4096.hdf5
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V-V1_GWOSC_O4b_16KHZ_R1-1396461568-4096.hdf5
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V-V1_GWOSC_O4b_16KHZ_R1-1396461568-4096.hdf5
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V-V1_GWOSC_O4b_16KHZ_R1-1396461568-4096.hdf5
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HoftAR1U02
V1:Hrec_hoftRepro1AR_16384Hz
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V-V1_GWOSC_O4b_16KHZ_R1-1396461568-4096.hdf5
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HoftAR1U02
V1:Hrec_hoftRepro1AR_16384Hz
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V-V1_GWOSC_O4b_16KHZ_R1-1396461568-4096.hdf5
V1
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2024-04-06T17:59:10
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HoftAR1U02
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V-V1_GWOSC_O4b_16KHZ_R1-1396461568-4096.hdf5
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2024-04-06T17:59:10
4,096
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HoftAR1U02
V1:Hrec_hoftRepro1AR_16384Hz
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V-V1_GWOSC_O4b_16KHZ_R1-1396461568-4096.hdf5
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1,396,461,568
2024-04-06T17:59:10
4,096
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HoftAR1U02
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V-V1_GWOSC_O4b_16KHZ_R1-1396461568-4096.hdf5
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HoftAR1U02
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V-V1_GWOSC_O4b_16KHZ_R1-1396461568-4096.hdf5
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HoftAR1U02
V1:Hrec_hoftRepro1AR_16384Hz
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V-V1_GWOSC_O4b_16KHZ_R1-1396461568-4096.hdf5
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2024-04-06T17:59:10
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HoftAR1U02
V1:Hrec_hoftRepro1AR_16384Hz
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V-V1_GWOSC_O4b_16KHZ_R1-1396461568-4096.hdf5
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V-V1_GWOSC_O4b_16KHZ_R1-1396461568-4096.hdf5
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1,396,461,568.00531
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V-V1_GWOSC_O4b_16KHZ_R1-1396461568-4096.hdf5
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HoftAR1U02
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V-V1_GWOSC_O4b_16KHZ_R1-1396461568-4096.hdf5
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HoftAR1U02
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V-V1_GWOSC_O4b_16KHZ_R1-1396461568-4096.hdf5
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HoftAR1U02
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V-V1_GWOSC_O4b_16KHZ_R1-1396461568-4096.hdf5
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image

LIGO-VIRGO-O4b-16KHZ

Parquet conversion of public GWOSC O4b 16 kHz strain files for Virgo detector V1.

This dataset contains time-domain gravitational-wave strain samples converted from GWOSC HDF5 files into Parquet for easier machine learning usage.

Source

Original data source: Gravitational Wave Open Science Center, GWOSC.

Original run/release:

  • O4b
  • O4b_16KHZ_R1
  • Detector: V1
  • Sample rate: 16384 Hz
  • File duration: 4096 seconds per original HDF5 file

License

The original GWOSC data are released under the Creative Commons Attribution 4.0 International License, CC BY 4.0.

Dataset structure

Each row corresponds to one time-domain strain sample.

Columns:

  • detector: detector name, here V1
  • gps_start: GPS start time of the original file
  • utc_start: UTC start time of the original file
  • duration: duration of the original HDF5 file in seconds
  • sample_rate: sample rate in Hz
  • frame_type: GWOSC frame type
  • strain_channel: original strain channel
  • sample_index: sample index inside the original file
  • gps_time: GPS timestamp of the sample
  • second_index: second index inside the original file
  • strain: gravitational-wave strain value
  • strain_x1e18: strain multiplied by 1e18 for easier inspection/statistics display
  • dqmask: GWOSC data-quality bitmask
  • injmask: GWOSC injection bitmask
  • source_file: original HDF5 filename

Usage 

from datasets import load_dataset

ds = load_dataset(
    "PhysiQuanty/LIGO-VIRGO-O4b-16KHZ",
    "V1_16kHz_2days",
    split="train",
)
print(ds)
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Number of rows:
1,324,777,472
Total file size:
22.1 GB