The Separation Distribution of Ultrawide Binaries across Galactic Populations
Haijun Tian
We have compiled an extensive catalog of candidate wide binaries selected from Gaia DR2 in the solar neighborhood with distances $d<4$~kpc, following a procedure similar to that of El-Badry & Rix(2018). This initial candidate catalog consists of 807,611 possible binaries. Its contamination rates are lower than 10% at $a<20,000$~AU; however, the contamination rates quickly increase beyond 20,000~AU, until up to 100% at the largest separation bin, i.e., a = 1.0 pc. To address this, we subsequently applied additional selection criteria, tailored towards three kinematically-selected, presumably pure subsamples: 4361 disk-like, 10090 intermediate, and 4351 halo-like binaries.
Files
.. all_4kpc_good_muglgb_pmcut_clustercut_GDR2rv_LM6rv_UVW.fits
786MB
..
.. WBs_Intermediate.csv
11MB
..
.. WBs_Halolike.csv
4MB
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.. WBs_Disklike.csv
4MB
..
Paper Information
Paper Title:
The Separation Distribution of Ultrawide Binaries across Galactic Populations
Publication:
The Astrophysical Journal Supplement Series
Bibcode:
2020ApJS..246....4T
DOI:
10.3847/1538-4365/ab54c4
Identifier
DOI:
10.12149/101011
VO Identifier:
ivo://China-VO/paperdata/101011
Publication date:
2019-11-14
Citation Guidelines
Haijun Tian et al. 2019. The Separation Distribution of Ultrawide Binaries across Galactic Populations. Version 1.0. https://doi.org/10.12149/101011
@misc{10.12149/101011,
doi = {10.12149/101011},
url = {https://doi.org/10.12149/101011},
author = {Haijun Tian},
title = {The Separation Distribution of Ultrawide Binaries across Galactic Populations},
version = {1.0},
publisher = {Nataional Astronomical Data Center of China},
year= {2019}
}
Versions
Version 1.0 (current)
2019-11-14
Main
This DOI represents all versions, and will always resolve to the latest one.
2019-11-14