Noninteracting Black Hole Binaries with Gaia and LAMOST
文献类型：期刊论文
| 作者 | Wiktorowicz,Grzegorz1,5; Lu,Youjun1,5 ; Wyrzykowski,?ukasz2; Zhang,Haotong5; Liu,Jifeng1,3,5; Justham,Stephen1,5,6; Belczynski,Krzysztof4
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| 刊名 | The Astrophysical Journal
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| 出版日期 | 2020-12-01 |
| 卷号 | 905期号:2 |
| ISSN号 | 0004-637X |
| 关键词 | Stellar mass black holes Binary stars Gravitational wave sources Astrometric binary stars Spectroscopic binary stars Astrostatistics Markov chain Monte Carlo Computational astronomy Astronomy databases |
| DOI | 10.3847/1538-4357/abc699 |
| 英文摘要 | Abstract Until recently, black holes (BHs) could be discovered only through accretion from other stars in X-ray binaries, or in merging double compact objects. Improvements in astrometric and spectroscopic measurements have made it possible to detect BHs also in noninteracting BH binaries (nBHBs) through a precise analysis of the companion’s motion. In this study, using an updated version of the StarTrack binary-star population modeling code and a detailed model of the Milky Way (MW) galaxy, we calculate the expected number of detections for Gaia and LAMOST surveys. We develop a formalism to convolve the binary population synthesis output with a realistic stellar density distribution, star formation history (SFH), and chemical evolution for the MW, which produces a probability distribution function of the predicted compact-binary population over the MW. This avoids the additional statistical uncertainty that is introduced by methods that Monte Carlo sample from binary population synthesis output to produce one potential specific realization of the MW compact-binary distribution, and our method is also comparatively fast to such Monte Carlo realizations. Specifically, we predict ～41–340 nBHBs to be observed by Gaia, although the numbers may drop to ～10–70 if the recent (?100 Myr) star formation is low (～1 M ⊙ ?yr?1). For LAMOST we predict ?14 detectable nBHBs, which is lower partially because its field of view covers just ～6% of the Galaxy. |
| 语种 | 英语 |
| 出版者 | The American Astronomical Society |
| WOS记录号 | IOP:0004-637X-905-2-ABC699 |
| 源URL | [http://ir.bao.ac.cn/handle/114a11/57848]  |
| 专题 | 中国科学院国家天文台 |
| 作者单位 | 1.School of Astronomy and Space Science, University of the Chinese Academy of Sciences, Beijing 100012, People's Republic of China 2.Astronomical Observatory, Warsaw University, Al. Ujazdowskie 4, 00-478 Warsaw, Poland 3.WHU-NAOC Joint Center for Astronomy, Wuhan University, Wuhan, People's Republic of China 4.Nicolaus Copernicus Astronomical Center, Polish Academy of Sciences, Bartycka 18, 00-716 Warsaw, Poland 5.National Astronomical Observatories, Chinese Academy of Sciences, Beijing 100101, People's Republic of China 6.Astronomical Institute Anton Pannekoek, University of Amsterdam, P.O. Box 94249, 1090 GE, Amsterdam, The Netherlands |
| 推荐引用方式 GB/T 7714 | Wiktorowicz,Grzegorz,Lu,Youjun,Wyrzykowski,?ukasz,et al. Noninteracting Black Hole Binaries with Gaia and LAMOST[J]. The Astrophysical Journal,2020,905(2). |
| APA | Wiktorowicz,Grzegorz.,Lu,Youjun.,Wyrzykowski,?ukasz.,Zhang,Haotong.,Liu,Jifeng.,...&Belczynski,Krzysztof.(2020).Noninteracting Black Hole Binaries with Gaia and LAMOST.The Astrophysical Journal,905(2). |
| MLA | Wiktorowicz,Grzegorz,et al."Noninteracting Black Hole Binaries with Gaia and LAMOST".The Astrophysical Journal 905.2(2020). |
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