期刊
MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY
卷 475, 期 2, 页码 1427-1446出版社
OXFORD UNIV PRESS
DOI: 10.1093/mnras/stx3074
关键词
radiation mechanisms: general; methods: data analysis; methods: observational; surveys; intergalactic medium; radio continuum: general
资金
- Commonwealth of Australia
- Australian Research Council Centre of Excellence for All-sky Astrophysics (CAASTRO) [CE110001020]
- Swinburne
- Australian Government's Education Investment Fund
- European Research Council under the European Union's Seventh Framework Programme (FP/ERC) [617199]
- STFC consolidated grant
- Max-Planck Society
- Department of University and Research (MIUR)
- Italian Space Agency (ASI)
- Autonomous Region of Sardinia (RAS)
- STFC [ST/P000541/1]
- Australian Astronomical Observatory
- Centre National de la Recherche Scientifique (CNRS)
- Commissariat a l' energie atomique et aux energies alternatives (CEA)
- Commission Europeenne (FEDER fund)
- Commission Europeenne (Marie Curie Programme)
- Institut Universitaire de France (IUF)
- IdEx programme
- UnivEarthS Labex programme at Sorbonne Paris Cite [ANR-10-LABX-0023, ANR-11-IDEX-0005-02]
- Labex OCEVU [ANR-11-LABX-0060]
- A*MIDEX project [ANR-11-IDEX-0001-02]
- Region Ile-de-France (DIM-ACAV)
- Region Alsace (contrat CPER)
- Region Provence-Alpes-Cote d'Azur
- Departement du Var and Ville de La Seyne-sur-Mer, France
- Bundesministerium fur Bildung und Forschung (BMBF), Germany
- Istituto Nazionale di Fisica Nucleare (INFN), Italy
- Stichting voor Fundamenteel Onderzoek der Materie (FOM)
- Nederlandse organisatie voorWetenschappelijk Onderzoek (NWO), the Netherlands
- Council of the President of the Russian Federation for young scientists and leading scientific schools supporting grants, Russia
- National Authority for Scientific Research (ANCS), Romania
- Ministerio de Economia y Competitividad (MINECO): Plan Estatal de Investigacion [FPA2015-65150C3-1-P, FPA2015-65150C3-2-P, FPA2015-65150C3-3-P]
- (MINECO/FEDER)
- Severo Ochoa Centre of Excellence and MultiDark Consolider (MINECO)
- Prometeo and Grisolia Programmes (Generalitat Valenciana), Spain
- Ministry of Higher Education, Scientific Research and Professional Training, Morocco
- ERC Synergy Grant 'BlackHoleCam' [610058]
- STFC [ST/M001350/1, ST/P000649/1, ST/M002012/1, ST/P000827/1] Funding Source: UKRI
- Science and Technology Facilities Council [ST/P000541/1, ST/P000649/1, ST/M001350/1, ST/M002012/1] Funding Source: researchfish
We report the discovery of four Fast Radio Bursts (FRBs) in the ongoing SUrvey for Pulsars and Extragalactic Radio Bursts at the Parkes Radio Telescope: FRBs 150610, 151206, 151230 and 160102. Our real-time discoveries have enabled us to conduct extensive, rapid multimessenger follow-up at 12 major facilities sensitive to radio, optical, X-ray, gamma-ray photons and neutrinos on time-scales ranging from an hour to a few months post-burst. No counterparts to the FRBs were found and we provide upper limits on afterglow luminosities. None of the FRBs were seen to repeat. Formal fits to all FRBs show hints of scattering while their intrinsic widths are unresolved in time. FRB 151206 is at low Galactic latitude, FRB 151230 shows a sharp spectral cut-off, and FRB 160102 has the highest dispersion measure (DM = 2596.1 +/- 0.3 pc cm(-3)) detected to date. Three of the FRBs have high dispersion measures (DM > 1500 pc cm(-3)), favouring a scenario where the DMis dominated by contributions from the intergalactic medium. The slope of the Parkes FRB source counts distribution with fluences > 2 Jy ms is alpha = - 2.2(-1.2)(+0.6) and still consistent with a Euclidean distribution (alpha = -3/2). We also find that the all-sky rate is 1.7(-0.9)(+1.5) x 10(3)FRBs/(4 pi sr)/day above similar to 2 Jy ms and there is currently no strong evidence for a latitude- dependent FRB sky rate.
作者
我是这篇论文的作者
点击您的名字以认领此论文并将其添加到您的个人资料中。
推荐
暂无数据