The FRB 121102 Host Is Atypical among Nearby Fast Radio Bursts
Li,Ye1,2; Zhang,Bing3; Nagamine,Kentaro3,4,5; Shi,Jingjing1
Source PublicationThe Astrophysical Journal Letters
AbstractAbstract We search for host galaxy candidates of nearby fast radio bursts (FRBs), FRB 180729.J1316+55, FRB 171020, FRB 171213, FRB 180810.J1159+83, and FRB 180814.J0422+73 (the second repeating FRB). We compare the absolute magnitudes and the expected host dispersion measure DMhost of these candidates with that of the first repeating FRB, FRB 121102, as well as those of long gamma-ray bursts (LGRBs) and superluminous supernovae (SLSNe), the proposed progenitor systems of FRB 121102. We find that while the FRB 121102 host is consistent with those of LGRBs and SLSNe, the nearby FRB host candidates, at least for FRB 180729.J1316+55, FRB 171020, and FRB 180814.J0422+73, either have a smaller DMhost or are fainter than FRB 121102 host, as well as the hosts of LGRBs and SLSNe. In order to avoid the uncertainty in estimating DMhost due to the line-of-sight effect, we propose a galaxy-group-based method to estimate the electron density in the intergalactic regions, and hence, DMIGM. The result strengthens our conclusion. We conclude that the host galaxy of FRB 121102 is atypical, and LGRBs and SLSNe are likely not the progenitor systems of at least most nearby FRB sources. The recently reported two FRB hosts differ from the host of FRB 121102 and also the host candidates suggested in this paper. This is consistent with the conclusion of our paper and suggests that the FRB hosts are very diverse.
KeywordHigh energy astrophysics Radio astronomy Radio transient sources Radio bursts
WOS IDIOP:2041-8205-884-1-ab3e41
PublisherThe American Astronomical Society
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Document Type期刊论文
Affiliation1.Kavli Institute for Astronomy and Astrophysics, Peking University, Beijing 100871, People’s Republic of China
2.Purple Mountain Observatory, Chinese Academy of Sciences, Nanjing 210008, People’s Republic of China
3.Department of Physics and Astronomy, University of Nevada, Las Vegas, NV 89154, USA
4.Theoretical Astrophysics, Department of Earth and Space Science, Graduate School of Science, Osaka University, 1-1 Machikaneyama, Toyonaka, Osaka 560-0043, Japan
5.Kavli-IPMU (WPI), University of Tokyo, 5-1-5 Kashiwanoha, Kashiwa, Chiba, 277-8583, Japan
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Li,Ye,Zhang,Bing,Nagamine,Kentaro,et al. The FRB 121102 Host Is Atypical among Nearby Fast Radio Bursts[J]. The Astrophysical Journal Letters,2019,884(1).
APA Li,Ye,Zhang,Bing,Nagamine,Kentaro,&Shi,Jingjing.(2019).The FRB 121102 Host Is Atypical among Nearby Fast Radio Bursts.The Astrophysical Journal Letters,884(1).
MLA Li,Ye,et al."The FRB 121102 Host Is Atypical among Nearby Fast Radio Bursts".The Astrophysical Journal Letters 884.1(2019).
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