The mass distribution of Galactic double neutron stars: constraints on the gravitational-wave sources like GW170817

ABSTRACT The merger event of double neutron star (DNS) system (GW170817) was detected by the gravitational-wave (GW) detectors (Advanced LIGO and Advanced Virgo) in 2017 for the first time, so their mass distribution has become a significant topic with the new round GW hunting (O3) in 2019. A few mo...

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Bibliographic Details
Published in:Monthly notices of the Royal Astronomical Society 2019-10, Vol.488 (4), p.5020-5028
Main Authors: Zhang, Jianwei, Yang, Yiyan, Zhang, Chengmin, Yang, Wuming, Li, Di, Bi, Shaolan, Zhang, Xianfei
Format: Article
Language:English
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Summary:ABSTRACT The merger event of double neutron star (DNS) system (GW170817) was detected by the gravitational-wave (GW) detectors (Advanced LIGO and Advanced Virgo) in 2017 for the first time, so their mass distribution has become a significant topic with the new round GW hunting (O3) in 2019. A few models (e.g. Gaussian, two-Gaussian, or mixture-Gaussian) were adopted to draw the mass distribution of observed Galactic DNS systems, however, there is no a confirmed model now due to the small size of DNS samples (N 
ISSN:0035-8711
1365-2966
DOI:10.1093/mnras/stz2020