Statistical properties of fast radio bursts elucidate their origins: magnetars are favoured over gamma-ray bursts. Cui, X., Zhang, C., Wang, S., Zhang, J., Li, D., Peng, B., Zhu, W., Strom, R., Wang, N., Wu, Q., Ye, C., Wang, D., Yang, Y., & Diao, Z. 2021. cite arxiv:2104.11617Comment: 12 pages, 2 figures, 2 tables. Accepted in Research in Astronomy and Astrophysics (RAA)Paper abstract bibtex Fast radio bursts (FRBs) are extremely strong radio flares lasting several milliseconds, most of which come from unidentified objects at a cosmological distance. They can be apparently repeating or not. In this paper, we analyzed 18 repeaters and 12 non-repeating FRBs observed in the frequency bands of 400-800 MHz from CHIME. We investigated the distributions of FRB isotropic-equivalent radio luminosity, considering the K correction. Statistically, the luminosity distribution can be better fitted by Gaussian form than by power-law. Based on the above results, together with the observed FRB event rate, pulse duration, and radio luminosity, FRB origin models are evaluated and constrained such that the gamma-ray bursts (GRBs) may be excluded for the non-repeaters while magnetars or neutron stars (NSs) emitting the supergiant pulses are preferred for the repeaters. We also found the necessity of a small FRB emission beaming solid angle (about 0.1 sr) from magnetars that should be considered, and/or the FRB association with soft gamma-ray repeaters (SGRs) may lie at a low probability of about 10%. Finally, we discussed the uncertainty of FRB luminosity caused by the estimation of the distance that is inferred by the simple relation between the redshift and dispersion measure (DM).
@misc{cui2021statistical,
abstract = {Fast radio bursts (FRBs) are extremely strong radio flares lasting several
milliseconds, most of which come from unidentified objects at a cosmological
distance. They can be apparently repeating or not. In this paper, we analyzed
18 repeaters and 12 non-repeating FRBs observed in the frequency bands of
400-800 MHz from CHIME. We investigated the distributions of FRB
isotropic-equivalent radio luminosity, considering the K correction.
Statistically, the luminosity distribution can be better fitted by Gaussian
form than by power-law. Based on the above results, together with the observed
FRB event rate, pulse duration, and radio luminosity, FRB origin models are
evaluated and constrained such that the gamma-ray bursts (GRBs) may be excluded
for the non-repeaters while magnetars or neutron stars (NSs) emitting the
supergiant pulses are preferred for the repeaters. We also found the necessity
of a small FRB emission beaming solid angle (about 0.1 sr) from magnetars that
should be considered, and/or the FRB association with soft gamma-ray repeaters
(SGRs) may lie at a low probability of about 10%. Finally, we discussed the
uncertainty of FRB luminosity caused by the estimation of the distance that is
inferred by the simple relation between the redshift and dispersion measure
(DM).},
added-at = {2021-04-26T06:16:56.000+0200},
author = {Cui, Xiang-Han and Zhang, Cheng-Min and Wang, Shuang-Qiang and Zhang, Jian-Wei and Li, Di and Peng, Bo and Zhu, Wei-Wei and Strom, Richard and Wang, Na and Wu, Qingdong and Ye, Chang-Qing and Wang, De-Hua and Yang, Yi-Yan and Diao, Zhen-Qi},
biburl = {https://www.bibsonomy.org/bibtex/2bcc9c630f0e6a196cdb4f2489b7683f5/gpkulkarni},
description = {Statistical properties of fast radio bursts elucidate their origins: magnetars are favoured over gamma-ray bursts},
interhash = {edb8361b009d2348ed6398a977a865cc},
intrahash = {bcc9c630f0e6a196cdb4f2489b7683f5},
keywords = {library},
note = {cite arxiv:2104.11617Comment: 12 pages, 2 figures, 2 tables. Accepted in Research in Astronomy and Astrophysics (RAA)},
timestamp = {2021-04-26T06:16:56.000+0200},
title = {Statistical properties of fast radio bursts elucidate their origins:
magnetars are favoured over gamma-ray bursts},
url = {http://arxiv.org/abs/2104.11617},
year = 2021
}
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Based on the above results, together with the observed FRB event rate, pulse duration, and radio luminosity, FRB origin models are evaluated and constrained such that the gamma-ray bursts (GRBs) may be excluded for the non-repeaters while magnetars or neutron stars (NSs) emitting the supergiant pulses are preferred for the repeaters. We also found the necessity of a small FRB emission beaming solid angle (about 0.1 sr) from magnetars that should be considered, and/or the FRB association with soft gamma-ray repeaters (SGRs) may lie at a low probability of about 10%. Finally, we discussed the uncertainty of FRB luminosity caused by the estimation of the distance that is inferred by the simple relation between the redshift and dispersion measure (DM).","added-at":"2021-04-26T06:16:56.000+0200","author":[{"propositions":[],"lastnames":["Cui"],"firstnames":["Xiang-Han"],"suffixes":[]},{"propositions":[],"lastnames":["Zhang"],"firstnames":["Cheng-Min"],"suffixes":[]},{"propositions":[],"lastnames":["Wang"],"firstnames":["Shuang-Qiang"],"suffixes":[]},{"propositions":[],"lastnames":["Zhang"],"firstnames":["Jian-Wei"],"suffixes":[]},{"propositions":[],"lastnames":["Li"],"firstnames":["Di"],"suffixes":[]},{"propositions":[],"lastnames":["Peng"],"firstnames":["Bo"],"suffixes":[]},{"propositions":[],"lastnames":["Zhu"],"firstnames":["Wei-Wei"],"suffixes":[]},{"propositions":[],"lastnames":["Strom"],"firstnames":["Richard"],"suffixes":[]},{"propositions":[],"lastnames":["Wang"],"firstnames":["Na"],"suffixes":[]},{"propositions":[],"lastnames":["Wu"],"firstnames":["Qingdong"],"suffixes":[]},{"propositions":[],"lastnames":["Ye"],"firstnames":["Chang-Qing"],"suffixes":[]},{"propositions":[],"lastnames":["Wang"],"firstnames":["De-Hua"],"suffixes":[]},{"propositions":[],"lastnames":["Yang"],"firstnames":["Yi-Yan"],"suffixes":[]},{"propositions":[],"lastnames":["Diao"],"firstnames":["Zhen-Qi"],"suffixes":[]}],"biburl":"https://www.bibsonomy.org/bibtex/2bcc9c630f0e6a196cdb4f2489b7683f5/gpkulkarni","description":"Statistical properties of fast radio bursts elucidate their origins: magnetars are favoured over gamma-ray bursts","interhash":"edb8361b009d2348ed6398a977a865cc","intrahash":"bcc9c630f0e6a196cdb4f2489b7683f5","keywords":"library","note":"cite arxiv:2104.11617Comment: 12 pages, 2 figures, 2 tables. 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Based on the above results, together with the observed\r\nFRB event rate, pulse duration, and radio luminosity, FRB origin models are\r\nevaluated and constrained such that the gamma-ray bursts (GRBs) may be excluded\r\nfor the non-repeaters while magnetars or neutron stars (NSs) emitting the\r\nsupergiant pulses are preferred for the repeaters. We also found the necessity\r\nof a small FRB emission beaming solid angle (about 0.1 sr) from magnetars that\r\nshould be considered, and/or the FRB association with soft gamma-ray repeaters\r\n(SGRs) may lie at a low probability of about 10%. 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