Published May 24, 2023 | Version v1.0.0

Dataset associated to the publication NATASTRON-22125961A arXiv:2212.10924

Authors/Creators

  • 1. University of Geneva

Description

# Dataset description

1. Single stellar model grids at Zsun

All single stellar model grids are labeled as "single_star_grid_Zsun_*.h5".
To access the dataset you should use the POSYDON v1 code and refer to the
code documentation, see https://github.com/POSYDON-code/POSYDON/releases/tag/v1.0.0.
The data can be accessed, e.g., with POSYDON as

```py
from posydon.grids.psygrid import PSyGrid
grid = PSyGrid()
grid.load(path_to_grid)
print(grid.initial_values)
print(grid.final_values)
print(grid[0].history1['log_L'])
print(grid[0].history1['log_Teff'])
```

2. Binary black hole population at Zsun

We provide the binary black hole population in the file labeled
"BBH_population_Zsun.h5". This file contains all binary systems forming
binary black holes as simulated from a population synthesis model of 50 million
binaries generated with POSYDON v1 at solar metallicity. The data can be
accessed, e.g., with Pandas as

```py
import pandas as pd
df = pd.read_hdf('./data_release/source_data/BBH_population_Zsun.h5',
                 key='history')
df.head(10)
```

For convenience we also provide a dataset labeled "arXiv_2212.10924.csv.gz"
that contains the subset of merging binary black holes obtained from
"BBH_population_Zsun.h5" at the time of double compact object formation used to
generate the Figure 4 of the main manuscript and compute the binary black hole
rates using the software released on https://github.com/ssbvr/BBH_merging_rates.
The data can be accessed, e.g., with Pandas as

```py
import pandas as pd
df = pd.read_csv('./data_release/source_data/arXiv_2212.10924.csv.gz',
                 compression='gzip')
df.head(10)
```

Please refer to the following notebook on how use the data to compute the
detectable and intrinsic merging population as well as rates, see
https://github.com/ssbvr/BBH_merging_rates/blob/main/arXiv_221210924_POSYDON_BBH_Zsun.ipynb

Files

data_release.zip

Files (1.4 GB)

Name Size
md5:b264f2ce2f68d81d9ef57cde28679869
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Additional details

Related works

Is cited by
Preprint: arXiv:2212.10924 (arXiv)