CRAFTS for Fast Radio Bursts: Extending the Dispersion–Fluence Relation with New FRBs Detected by FAST
We report three new FRBs discovered by the Five-hundred-meter Aperture Spherical radio Telescope (FAST), namely FRB 181017.J0036+11, FRB 181118, and FRB 181130, through the Commensal Radio Astronomy FAST Survey (CRAFTS). Together with FRB 181123, which was reported earlier, all four FAST-discovered...
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| Veröffentlicht in: | Astrophysical journal. Letters 2021-03, Vol.909 (1), p.L8 |
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| creator | Niu, Chen-Hui Li, Di Luo, Rui Wang, Wei-Yang Yao, Jumei Zhang, Bing Zhu, Wei-Wei Wang, Pei Ye, Haoyang Zhang, Yong-Kun Niu, Jia-rui Tang, Ning-yu Duan, Ran Krco, Marko Dai, Shi Feng, Yi Miao, Chenchen Pan, Zhichen Qian, Lei Xue, Mengyao Yuan, Mao Yue, Youling Zhang, Lei Zhang, Xinxin |
| description | We report three new FRBs discovered by the Five-hundred-meter Aperture Spherical radio Telescope (FAST), namely FRB 181017.J0036+11, FRB 181118, and FRB 181130, through the Commensal Radio Astronomy FAST Survey (CRAFTS). Together with FRB 181123, which was reported earlier, all four FAST-discovered FRBs share the same characteristics of low fluence (≤0.2 Jy ms) and high dispersion measure (DM, >1000 pc cm
−3
), consistent with the anticorrelation between DM and fluence of the entire FRB population. FRB 181118 and FRB 181130 exhibit band-limited features. FRB 181130 is prominently scattered (
τ
s
≃ 8 ms) at 1.25 GHz. FRB 181017.J0036+11 has full-bandwidth emission with a fluence of 0.042 Jy ms, which is one of the faintest FRB sources detected so far. CRAFTS has started to build a new sample of FRBs that fills the region for more distant and fainter FRBs in the fluence–DM
E
diagram, previously out of reach of other surveys. The implied all-sky event rate of FRBs is
1.24
−
0.90
+
1.94
×
10
5
sky
−1
day
−1
at the 95% confidence interval above 0.0146 Jy ms. We also demonstrate here that the probability density function of CRAFTS FRB detections is sensitive to the assumed intrinsic FRB luminosity function and cosmological evolution, which may be further constrained with more discoveries. |
| doi_str_mv | 10.3847/2041-8213/abe7f0 |
| format | Article |
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−3
), consistent with the anticorrelation between DM and fluence of the entire FRB population. FRB 181118 and FRB 181130 exhibit band-limited features. FRB 181130 is prominently scattered (
τ
s
≃ 8 ms) at 1.25 GHz. FRB 181017.J0036+11 has full-bandwidth emission with a fluence of 0.042 Jy ms, which is one of the faintest FRB sources detected so far. CRAFTS has started to build a new sample of FRBs that fills the region for more distant and fainter FRBs in the fluence–DM
E
diagram, previously out of reach of other surveys. The implied all-sky event rate of FRBs is
1.24
−
0.90
+
1.94
×
10
5
sky
−1
day
−1
at the 95% confidence interval above 0.0146 Jy ms. We also demonstrate here that the probability density function of CRAFTS FRB detections is sensitive to the assumed intrinsic FRB luminosity function and cosmological evolution, which may be further constrained with more discoveries.</description><identifier>ISSN: 2041-8205</identifier><identifier>EISSN: 2041-8213</identifier><identifier>DOI: 10.3847/2041-8213/abe7f0</identifier><language>eng</language><publisher>Austin: IOP Publishing</publisher><subject>Astronomy ; Confidence intervals ; Dispersion ; Fluence ; Luminosity ; Polls & surveys ; Probability density function ; Probability density functions ; Radio astronomy ; Radio bursts ; Radio telescopes ; Statistical analysis</subject><ispartof>Astrophysical journal. Letters, 2021-03, Vol.909 (1), p.L8</ispartof><rights>Copyright IOP Publishing Mar 01, 2021</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c313t-cac73d45ade138785834d0abe0aff7b561d78d98d4ff8c1030c0c698835ad8943</citedby><cites>FETCH-LOGICAL-c313t-cac73d45ade138785834d0abe0aff7b561d78d98d4ff8c1030c0c698835ad8943</cites><orcidid>0000-0003-3010-7661 ; 0000-0001-5105-4058 ; 0000-0001-9659-0292 ; 0000-0002-4300-121X ; 0000-0002-9725-2524 ; 0000-0002-3586-0786 ; 0000-0002-9441-2190 ; 0000-0001-8539-4237 ; 0000-0003-0597-0957 ; 0000-0002-9618-2499 ; 0000-0002-2169-0472 ; 0000-0001-9036-8543 ; 0000-0002-0475-7479 ; 0000-0002-4997-045X ; 0000-0001-6651-7799</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,776,780,27903,27904</link.rule.ids></links><search><creatorcontrib>Niu, Chen-Hui</creatorcontrib><creatorcontrib>Li, Di</creatorcontrib><creatorcontrib>Luo, Rui</creatorcontrib><creatorcontrib>Wang, Wei-Yang</creatorcontrib><creatorcontrib>Yao, Jumei</creatorcontrib><creatorcontrib>Zhang, Bing</creatorcontrib><creatorcontrib>Zhu, Wei-Wei</creatorcontrib><creatorcontrib>Wang, Pei</creatorcontrib><creatorcontrib>Ye, Haoyang</creatorcontrib><creatorcontrib>Zhang, Yong-Kun</creatorcontrib><creatorcontrib>Niu, Jia-rui</creatorcontrib><creatorcontrib>Tang, Ning-yu</creatorcontrib><creatorcontrib>Duan, Ran</creatorcontrib><creatorcontrib>Krco, Marko</creatorcontrib><creatorcontrib>Dai, Shi</creatorcontrib><creatorcontrib>Feng, Yi</creatorcontrib><creatorcontrib>Miao, Chenchen</creatorcontrib><creatorcontrib>Pan, Zhichen</creatorcontrib><creatorcontrib>Qian, Lei</creatorcontrib><creatorcontrib>Xue, Mengyao</creatorcontrib><creatorcontrib>Yuan, Mao</creatorcontrib><creatorcontrib>Yue, Youling</creatorcontrib><creatorcontrib>Zhang, Lei</creatorcontrib><creatorcontrib>Zhang, Xinxin</creatorcontrib><title>CRAFTS for Fast Radio Bursts: Extending the Dispersion–Fluence Relation with New FRBs Detected by FAST</title><title>Astrophysical journal. Letters</title><description>We report three new FRBs discovered by the Five-hundred-meter Aperture Spherical radio Telescope (FAST), namely FRB 181017.J0036+11, FRB 181118, and FRB 181130, through the Commensal Radio Astronomy FAST Survey (CRAFTS). Together with FRB 181123, which was reported earlier, all four FAST-discovered FRBs share the same characteristics of low fluence (≤0.2 Jy ms) and high dispersion measure (DM, >1000 pc cm
−3
), consistent with the anticorrelation between DM and fluence of the entire FRB population. FRB 181118 and FRB 181130 exhibit band-limited features. FRB 181130 is prominently scattered (
τ
s
≃ 8 ms) at 1.25 GHz. FRB 181017.J0036+11 has full-bandwidth emission with a fluence of 0.042 Jy ms, which is one of the faintest FRB sources detected so far. CRAFTS has started to build a new sample of FRBs that fills the region for more distant and fainter FRBs in the fluence–DM
E
diagram, previously out of reach of other surveys. The implied all-sky event rate of FRBs is
1.24
−
0.90
+
1.94
×
10
5
sky
−1
day
−1
at the 95% confidence interval above 0.0146 Jy ms. We also demonstrate here that the probability density function of CRAFTS FRB detections is sensitive to the assumed intrinsic FRB luminosity function and cosmological evolution, which may be further constrained with more discoveries.</description><subject>Astronomy</subject><subject>Confidence intervals</subject><subject>Dispersion</subject><subject>Fluence</subject><subject>Luminosity</subject><subject>Polls & surveys</subject><subject>Probability density function</subject><subject>Probability density functions</subject><subject>Radio astronomy</subject><subject>Radio bursts</subject><subject>Radio telescopes</subject><subject>Statistical analysis</subject><issn>2041-8205</issn><issn>2041-8213</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2021</creationdate><recordtype>article</recordtype><recordid>eNo9kM1OwzAQhC0EEqVw52iJc-g6dhqHW_8CSBVIaThbrn9oqpIU21HpjXfgDXkSUhX1tKPR7Kz2Q-iWwD3lLB3EwEjEY0IHcmlSC2eod7LOTxqSS3Tl_RoghiHhPbSaFKO8XGDbOJxLH3AhddXgcet88A949hVMrav6HYeVwdPKb43zVVP_fv_km9bUyuDCbGToLLyrwgq_mB3Oi7HHUxOMCkbj5R7no0V5jS6s3Hhz8z_76C2flZOnaP76-DwZzSNFCQ2RkiqlmiVSG0J5yhNOmYbuJZDWpstkSHTKdcY1s5YrAhQUqGHGOe1WeMZoH90de7eu-WyND2LdtK7uToqYZRlkHBjtUnBMKdd474wVW1d9SLcXBMSBpzgAEwd44siT_gEFLmjR</recordid><startdate>20210301</startdate><enddate>20210301</enddate><creator>Niu, Chen-Hui</creator><creator>Li, Di</creator><creator>Luo, Rui</creator><creator>Wang, Wei-Yang</creator><creator>Yao, Jumei</creator><creator>Zhang, Bing</creator><creator>Zhu, Wei-Wei</creator><creator>Wang, Pei</creator><creator>Ye, Haoyang</creator><creator>Zhang, Yong-Kun</creator><creator>Niu, Jia-rui</creator><creator>Tang, Ning-yu</creator><creator>Duan, Ran</creator><creator>Krco, Marko</creator><creator>Dai, Shi</creator><creator>Feng, Yi</creator><creator>Miao, Chenchen</creator><creator>Pan, Zhichen</creator><creator>Qian, Lei</creator><creator>Xue, Mengyao</creator><creator>Yuan, Mao</creator><creator>Yue, Youling</creator><creator>Zhang, Lei</creator><creator>Zhang, Xinxin</creator><general>IOP Publishing</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7TG</scope><scope>8FD</scope><scope>H8D</scope><scope>KL.</scope><scope>L7M</scope><orcidid>https://orcid.org/0000-0003-3010-7661</orcidid><orcidid>https://orcid.org/0000-0001-5105-4058</orcidid><orcidid>https://orcid.org/0000-0001-9659-0292</orcidid><orcidid>https://orcid.org/0000-0002-4300-121X</orcidid><orcidid>https://orcid.org/0000-0002-9725-2524</orcidid><orcidid>https://orcid.org/0000-0002-3586-0786</orcidid><orcidid>https://orcid.org/0000-0002-9441-2190</orcidid><orcidid>https://orcid.org/0000-0001-8539-4237</orcidid><orcidid>https://orcid.org/0000-0003-0597-0957</orcidid><orcidid>https://orcid.org/0000-0002-9618-2499</orcidid><orcidid>https://orcid.org/0000-0002-2169-0472</orcidid><orcidid>https://orcid.org/0000-0001-9036-8543</orcidid><orcidid>https://orcid.org/0000-0002-0475-7479</orcidid><orcidid>https://orcid.org/0000-0002-4997-045X</orcidid><orcidid>https://orcid.org/0000-0001-6651-7799</orcidid></search><sort><creationdate>20210301</creationdate><title>CRAFTS for Fast Radio Bursts: Extending the Dispersion–Fluence Relation with New FRBs Detected by FAST</title><author>Niu, Chen-Hui ; Li, Di ; Luo, Rui ; Wang, Wei-Yang ; Yao, Jumei ; Zhang, Bing ; Zhu, Wei-Wei ; Wang, Pei ; Ye, Haoyang ; Zhang, Yong-Kun ; Niu, Jia-rui ; Tang, Ning-yu ; Duan, Ran ; Krco, Marko ; Dai, Shi ; Feng, Yi ; Miao, Chenchen ; Pan, Zhichen ; Qian, Lei ; Xue, Mengyao ; Yuan, Mao ; Yue, Youling ; Zhang, Lei ; Zhang, Xinxin</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c313t-cac73d45ade138785834d0abe0aff7b561d78d98d4ff8c1030c0c698835ad8943</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2021</creationdate><topic>Astronomy</topic><topic>Confidence intervals</topic><topic>Dispersion</topic><topic>Fluence</topic><topic>Luminosity</topic><topic>Polls & surveys</topic><topic>Probability density function</topic><topic>Probability density functions</topic><topic>Radio astronomy</topic><topic>Radio bursts</topic><topic>Radio telescopes</topic><topic>Statistical analysis</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Niu, Chen-Hui</creatorcontrib><creatorcontrib>Li, Di</creatorcontrib><creatorcontrib>Luo, Rui</creatorcontrib><creatorcontrib>Wang, Wei-Yang</creatorcontrib><creatorcontrib>Yao, Jumei</creatorcontrib><creatorcontrib>Zhang, Bing</creatorcontrib><creatorcontrib>Zhu, Wei-Wei</creatorcontrib><creatorcontrib>Wang, Pei</creatorcontrib><creatorcontrib>Ye, Haoyang</creatorcontrib><creatorcontrib>Zhang, Yong-Kun</creatorcontrib><creatorcontrib>Niu, Jia-rui</creatorcontrib><creatorcontrib>Tang, Ning-yu</creatorcontrib><creatorcontrib>Duan, Ran</creatorcontrib><creatorcontrib>Krco, Marko</creatorcontrib><creatorcontrib>Dai, Shi</creatorcontrib><creatorcontrib>Feng, Yi</creatorcontrib><creatorcontrib>Miao, Chenchen</creatorcontrib><creatorcontrib>Pan, Zhichen</creatorcontrib><creatorcontrib>Qian, Lei</creatorcontrib><creatorcontrib>Xue, Mengyao</creatorcontrib><creatorcontrib>Yuan, Mao</creatorcontrib><creatorcontrib>Yue, Youling</creatorcontrib><creatorcontrib>Zhang, Lei</creatorcontrib><creatorcontrib>Zhang, Xinxin</creatorcontrib><collection>CrossRef</collection><collection>Meteorological & Geoastrophysical Abstracts</collection><collection>Technology Research Database</collection><collection>Aerospace Database</collection><collection>Meteorological & Geoastrophysical Abstracts - Academic</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Astrophysical journal. Letters</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Niu, Chen-Hui</au><au>Li, Di</au><au>Luo, Rui</au><au>Wang, Wei-Yang</au><au>Yao, Jumei</au><au>Zhang, Bing</au><au>Zhu, Wei-Wei</au><au>Wang, Pei</au><au>Ye, Haoyang</au><au>Zhang, Yong-Kun</au><au>Niu, Jia-rui</au><au>Tang, Ning-yu</au><au>Duan, Ran</au><au>Krco, Marko</au><au>Dai, Shi</au><au>Feng, Yi</au><au>Miao, Chenchen</au><au>Pan, Zhichen</au><au>Qian, Lei</au><au>Xue, Mengyao</au><au>Yuan, Mao</au><au>Yue, Youling</au><au>Zhang, Lei</au><au>Zhang, Xinxin</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>CRAFTS for Fast Radio Bursts: Extending the Dispersion–Fluence Relation with New FRBs Detected by FAST</atitle><jtitle>Astrophysical journal. Letters</jtitle><date>2021-03-01</date><risdate>2021</risdate><volume>909</volume><issue>1</issue><spage>L8</spage><pages>L8-</pages><issn>2041-8205</issn><eissn>2041-8213</eissn><abstract>We report three new FRBs discovered by the Five-hundred-meter Aperture Spherical radio Telescope (FAST), namely FRB 181017.J0036+11, FRB 181118, and FRB 181130, through the Commensal Radio Astronomy FAST Survey (CRAFTS). Together with FRB 181123, which was reported earlier, all four FAST-discovered FRBs share the same characteristics of low fluence (≤0.2 Jy ms) and high dispersion measure (DM, >1000 pc cm
−3
), consistent with the anticorrelation between DM and fluence of the entire FRB population. FRB 181118 and FRB 181130 exhibit band-limited features. FRB 181130 is prominently scattered (
τ
s
≃ 8 ms) at 1.25 GHz. FRB 181017.J0036+11 has full-bandwidth emission with a fluence of 0.042 Jy ms, which is one of the faintest FRB sources detected so far. CRAFTS has started to build a new sample of FRBs that fills the region for more distant and fainter FRBs in the fluence–DM
E
diagram, previously out of reach of other surveys. The implied all-sky event rate of FRBs is
1.24
−
0.90
+
1.94
×
10
5
sky
−1
day
−1
at the 95% confidence interval above 0.0146 Jy ms. We also demonstrate here that the probability density function of CRAFTS FRB detections is sensitive to the assumed intrinsic FRB luminosity function and cosmological evolution, which may be further constrained with more discoveries.</abstract><cop>Austin</cop><pub>IOP Publishing</pub><doi>10.3847/2041-8213/abe7f0</doi><orcidid>https://orcid.org/0000-0003-3010-7661</orcidid><orcidid>https://orcid.org/0000-0001-5105-4058</orcidid><orcidid>https://orcid.org/0000-0001-9659-0292</orcidid><orcidid>https://orcid.org/0000-0002-4300-121X</orcidid><orcidid>https://orcid.org/0000-0002-9725-2524</orcidid><orcidid>https://orcid.org/0000-0002-3586-0786</orcidid><orcidid>https://orcid.org/0000-0002-9441-2190</orcidid><orcidid>https://orcid.org/0000-0001-8539-4237</orcidid><orcidid>https://orcid.org/0000-0003-0597-0957</orcidid><orcidid>https://orcid.org/0000-0002-9618-2499</orcidid><orcidid>https://orcid.org/0000-0002-2169-0472</orcidid><orcidid>https://orcid.org/0000-0001-9036-8543</orcidid><orcidid>https://orcid.org/0000-0002-0475-7479</orcidid><orcidid>https://orcid.org/0000-0002-4997-045X</orcidid><orcidid>https://orcid.org/0000-0001-6651-7799</orcidid><oa>free_for_read</oa></addata></record> |
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| ispartof | Astrophysical journal. Letters, 2021-03, Vol.909 (1), p.L8 |
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| language | eng |
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| source | IOP Publishing Free Content; Elektronische Zeitschriftenbibliothek - Frei zugängliche E-Journals; IOPscience extra; Alma/SFX Local Collection |
| subjects | Astronomy Confidence intervals Dispersion Fluence Luminosity Polls & surveys Probability density function Probability density functions Radio astronomy Radio bursts Radio telescopes Statistical analysis |
| title | CRAFTS for Fast Radio Bursts: Extending the Dispersion–Fluence Relation with New FRBs Detected by FAST |
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