Updating the First CHIME/FRB Catalog of Fast Radio Bursts with Baseband Data

被引：15

作者：

Amiri, Mandana ^{[1
]}

Andersen, Bridget C. ^{[2
,3
]}

Andrew, Shion ^{[4
,5
]}

Bandura, Kevin ^{[6
,7
]}

Bhardwaj, Mohit ^{[8
]}

Boyle, P. J. ^{[2
,3
]}

Brar, Charanjot ^{[2
,3
]}

Breitman, Daniela ^{[9
]}

Cassanelli, Tomas ^{[10
]}

Chawla, Pragya ^{[11
]}

Cook, Amanda M. ^{[12
,13
]}

Curtin, Alice P. ^{[2
,3
]}

Dobbs, Matt ^{[2
,3
]}

Dong, Fengqiu Adam ^{[1
]}

Eadie, Gwendolyn ^{[12
,14
]}

Fonseca, Emmanuel ^{[7
,15
]}

Gaensler, B. M. ^{[12
,13
,16
]}

Giri, Utkarsh ^{[17
]}

Herrera-Martin, Antonio ^{[12
]}

Hopkins, Hans ^{[18
]}

Ibik, Adaeze L. ^{[12
,13
]}

Joseph, Ronniy C. ^{[2
,3
]}

Kaczmarek, J. F. ^{[19
]}

Kader, Zarif ^{[2
,3
]}

Kaspi, Victoria M. ^{[2
,3
]}

Lanman, Adam E. ^{[4
,5
]}

Lazda, Mattias ^{[12
,13
]}

Leung, Calvin ^{[20
,21
]}

Liu, Siqi ^{[2
,3
]}

Masui, Kiyoshi W. ^{[4
,5
]}

Mckinven, Ryan ^{[2
,3
]}

Mena-Parra, Juan ^{[12
,13
]}

Merryfield, Marcus ^{[2
,3
]}

Michilli, Daniele ^{[4
,5
]}

Ng, Cherry ^{[22
]}

Nimmo, Kenzie ^{[4
]}

Noble, Gavin ^{[12
,13
]}

Pandhi, Ayush ^{[12
,13
]}

Patel, Chitrang ^{[2
,3
]}

Pearlman, Aaron B. ^{[2
,3
,23
,24
,25
]}

Pen, Ue-Li ^{[26
,27
]}

Petroff, Emily ^{[18
]}

Pleunis, Ziggy ^{[13
]}

Rafiei-Ravandi, Masoud ^{[2
,3
]}

Rahman, Mubdi ^{[28
]}

Ransom, Scott M. ^{[29
]}

Sand, Ketan R. ^{[2
,3
]}

Scholz, Paul ^{[13
,30
]}

Shah, Vishwangi ^{[2
,3
]}

Shin, Kaitlyn ^{[4
,5
]}

机构：

[1] Univ British Columbia, Dept Phys & Astron, 6224 Agr Rd, Vancouver, BC V6T 1Z1, Canada

[2] McGill Univ, Dept Phys, 3600 Rue Univ, Montreal, PQ H3A 2T8, Canada

[3] McGill Univ, Trottier Space Inst, 3550 Rue Univ, Montreal, PQ H3A 2A7, Canada

[4] MIT Kavli Inst Astrophys & Space Res, 77 Massachusetts Ave, Cambridge, MA 02139 USA

[5] MIT, Dept Phys, 77 Massachusetts Ave, Cambridge, MA 02139 USA

[6] West Virgina Univ, Lane Dept Comp Sci & Elect Engn, 1220 Evansdale Dr,POB 6109, Morgantown, WV 26506 USA

[7] West Virginia Univ, Ctr Gravitat Waves & Cosmol, Chestnut Ridge Res Bldg, Morgantown, WV 26505 USA

[8] Carnegie Mellon Univ, Dept Phys, 5000 Forbes Ave, Pittsburgh, PA 15213 USA

[9] Scuola Normale Super Pisa, Piazza Cavalieri 7, I-56126 Pisa, Italy

[10] Univ Chile, Dept Elect Engn, Ave Tupper 2007, Santiago 8370451, Chile

[11] Univ Amsterdam, Anton Pannekoek Inst Astron, Sci Pk 904, NL-1098 XH Amsterdam, Netherlands

[12] Univ Toronto, David A Dunlap Dept Astron & Astrophys, 50 St George St, Toronto, ON M5S 3H4, Canada

[13] Univ Toronto, Dunlap Inst Astron & Astrophys, 50 St George St, Toronto, ON M5S 3H4, Canada

[14] Univ Toronto, Dept Stat Sci, 700 Univ Ave, Toronto, ON M5G 1Z5, Canada

[15] West Virginia Univ, Dept Phys & Astron, POB 6315, Morgantown, WV 26506 USA

[16] Univ Calif Santa Cruz, Div Phys & Biol Sci, 1156 High St, Santa Cruz, CA 95064 USA

[17] Univ Wisconsin Madison, Dept Phys, 1150 Univ Ave, Madison, WI 53706 USA

[18] Perimeter Inst Theoret Phys, 31 Caroline St N, Waterloo, ON, Canada

[19] CSIRO Space & Astron, Pk Observ, POB 276, Parkes, NSW 2870, Australia

[20] Univ Calif Berkeley, Dept Astron, Berkeley, CA 94720 USA

[21] NHFP Einstein, Baltimore, MD USA

[22] Univ Orleans, CNRS, Lab Phys & Chim Environm & Espace, F-45071 Orleans 02, France

[23] Banting, Toronto, ON, Canada

[24] McGill Space Inst, Montreal, PQ, Canada

[25] FRQNT, Quebec City, PQ, Canada

[26] Canadian Inst Theoret Astrophys, 60 St George St, Toronto, ON M5S 3H8, Canada

[27] Univ Toronto, Dept Phys, 60 St George St, Toronto, ON M5S 1A7, Canada

[28] Sidrat Res, 124 Merton St,Suite 507, Toronto, ON M4S 2Z2, Canada

[29] Natl Radio Astron Observ, 520 Edgemont Rd, Charlottesville, VA 22903 USA

[30] York Univ, Dept Phys & Astron, 4700 Keele St, Toronto, ON MJ3 1P3, Canada

[31] Simon Fraser Univ, Dept Stat & Actuarial Sci, 8888 Univ Dr, Burnaby, BC V5A 1S6, Canada

来源：

ASTROPHYSICAL JOURNAL | 2024年 / 969卷 / 02期

基金：

加拿大自然科学与工程研究理事会; 加拿大创新基金会;

关键词：

LOCALIZATION; PIPELINE; SCALE;

D O I：

10.3847/1538-4357/ad464b

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

In 2021, a catalog of 536 fast radio bursts (FRBs) detected with the Canadian Hydrogen Intensity Mapping Experiment (CHIME) radio telescope was released by the CHIME/FRB Collaboration. This large collection of bursts, observed with a single instrument and uniform selection effects, has advanced our understanding of the FRB population. Here we update the results for 140 of these FRBs for which channelized raw voltage ("baseband") data are available. With the voltages measured by the telescope's antennas, it is possible to maximize the telescope sensitivity in any direction within the primary beam, an operation called "beamforming." This allows us to increase the signal-to-noise ratios of the bursts and to localize them to subarcminute precision. The improved localizations are also used to correct the beam response of the instrument and to measure fluxes and fluences with an similar to 10% uncertainty. Additionally, the time resolution is increased by 3 orders of magnitude relative to that in the first CHIME/FRB catalog, and, applying coherent dedispersion, burst morphologies can be studied in detail. Polarization information is also available for the full sample of 140 FRBs, providing an unprecedented data set to study the polarization properties of the population. We release the baseband data beamformed to the most probable position of each FRB. These data are analyzed in detail in a series of accompanying papers.

引用

页数：17

共 43 条

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