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arxiv: 2606.27225 · v1 · pith:VETTEUMWnew · submitted 2026-06-25 · 🌌 astro-ph.HE

A search for Fast Radio Bursts from globular clusters in M49 with FAST

Simon C.-C. Ho , Chris Flynn , Matthew Bailes , Emma Carli , Lei Zhang , Manisha Caleb , Kenneth C. Freeman , Tetsuya Hashimoto
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Tomotsugu Goto James O. Chibueze
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Pith reviewed 2026-06-26 03:14 UTC · model grok-4.3

classification 🌌 astro-ph.HE
keywords fast radio burstsglobular clustersM49FAST telescopenon-detectionupper limitsingle-pulse searchradio transients
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The pith

No fast radio bursts were detected from globular clusters in M49, yielding an upper limit of 4.7 x 10^{-4} per cluster per hour above 16.5 mJy ms fluence.

A machine-rendered reading of the paper's core claim, the machinery that carries it, and where it could break.

The paper describes a targeted single-pulse search for fast radio bursts in the globular clusters of the nearby elliptical galaxy M49 using the FAST telescope's 19-beam receiver. A total of nine hours of data covered roughly 4230 clusters for 2.1 hours each, with the search spanning dispersion measures from 0 to 5000 pc cm^{-3}. No signals were found that could be confidently identified as astrophysical rather than noise. This non-detection allows the authors to calculate a beam-averaged sensitivity and convert the absence of events into a quantitative upper bound on the burst rate in these old stellar systems. The result directly tests whether fast radio bursts can arise in ancient populations, as suggested by the earlier detection of one such burst in an M81 globular cluster.

Core claim

No unambiguous astrophysical FRBs were detected. The most significant trigger reached only 8.6 sigma at DM 412.2 pc cm^{-3} and proved consistent with thermal noise once the false-alarm rate was accounted for. A beam-averaged peak flux-density sensitivity of about 16.5 mJy was achieved, corresponding to a fluence limit of about 16.5 mJy ms for a 1 ms burst. From the non-detection the authors derive an upper limit on the FRB occurrence rate of 4.7 x 10^{-4} FRB GC^{-1} hr^{-1}. The limit applies only to bright bursts above this fluence threshold during the specific observing windows.

What carries the argument

The single-pulse search pipeline run on the 19-beam FAST data, calibrated for false-alarm rate across the full DM range, that converts non-detections into the beam-averaged sensitivity and rate upper limit.

Load-bearing premise

Any real fast radio burst occurring inside the 2.1-hour window per cluster would exceed the 16.5 mJy ms fluence threshold after dispersion and beam averaging and would be distinguishable from noise.

What would settle it

A confirmed astrophysical FRB with fluence above 16.5 mJy ms from any of the observed M49 globular clusters would exceed the stated upper limit on occurrence rate.

Figures

Figures reproduced from arXiv: 2606.27225 by Chris Flynn, Emma Carli, James O. Chibueze, Kenneth C. Freeman, Lei Zhang, Manisha Caleb, Matthew Bailes, Simon C.-C. Ho, Tetsuya Hashimoto, Tomotsugu Goto.

Figure 2
Figure 2. Figure 2: The surface density of GCs plotted against the radial distance for M49, shown on logarithmic axes. The data are from Hargis & Rhode (2014). The fitted Sérsic function and the radial distances of 𝑟 = 14′ from the galaxy centre are plotted with a blue dashed line and a red dash-dotted line. 4 DATA PREPROCESSING AND SINGLE-PULSE SEARCH The observational data consist of short FITS files with a duration of ≈ 6.… view at source ↗
Figure 3
Figure 3. Figure 3: Most significant single-pulse candidate identified in the 8.4 hr FAST observation of M49. Left: Detection in the search-resolution data (2-bit, 98.304 μs). Right: Reprocessing at full resolution (8-bit, 49.152 μs, full polarisation). The panels show (from top to bottom): integrated pulse profile, dynamic spectrum, S/N distribution in the DM–time plane, accumulated flux, and S/N as a function of DM. The ful… view at source ↗
Figure 4
Figure 4. Figure 4: Schematic illustration of the DM budget for an FRB originating from a GC associated with M49, at a projected offset of ≈ 15′ (≈ 73 kpc) from the galaxy centre. The grey arrow is the line-of-sight from the GC to the observer. The observed DM is decomposed into contributions from the Milky Way disk and halo (DMMW), the Virgo intracluster medium in the outskirts of the Virgo B subcluster (DMVirgo), the hot X-… view at source ↗
Figure 5
Figure 5. Figure 5: Radio transient phase space diagram created using the TransientPhaseSpace GitHub repository (https://github.com/ lgspitler/TransientPhaseSpace) with data from Nimmo et al. (2022a), Kirsten et al. (2022) and Nimmo et al. (2023), showing the distribu￾tion of various transient classes in parameter space. The candidate identified in this work is overplotted (assuming a distance of 16.7 Mpc) and lies close to t… view at source ↗
read the original abstract

The origins of fast radio bursts (FRBs) remain uncertain, although magnetars are a leading progenitor candidate. Because magnetars are thought to form primarily through core-collapse supernovae in young stellar populations, the discovery of FRB 20200120E in a globular cluster (GC) in the nearby galaxy M81 was unexpected given the ancient stellar populations of GCs. Expanding the sample of FRBs localised to nearby galaxies is therefore essential for testing FRB formation channels in old stellar environments. M49 (NGC 4472) is a nearby (~17 Mpc), radio-quiet giant elliptical galaxy in the Virgo cluster hosting about 7000 GCs, making it an ideal target for GC FRB searches. We conducted a 9-hour SnapShotCal observation of M49 using the Five-hundred-meter Aperture Spherical Telescope (FAST) 19-beam receiver, covering approximately 4230 GCs (2.1 hr per GC), and performed a comprehensive single-pulse search over a dispersion measure range of 0-5000 pc cm^-3. No unambiguous astrophysical FRBs were detected. The most significant trigger reached a post-processed signal-to-noise ratio of 8.6 sigma at a dispersion measure of 412.2 pc cm^-3, but is statistically consistent with thermal noise after accounting for the false-alarm rate. We derive a beam-averaged peak flux-density sensitivity of about 16.5 mJy (corresponding to a fluence limit of about 16.5 mJy ms for a 1 ms burst) and place an upper limit on the FRB occurrence rate of 4.7 x 10^-4 FRB GC^-1 hr^-1. Our non-detection constrains only bright bursts above this fluence threshold during the observing window.

Editorial analysis

A structured set of objections, weighed in public.

Desk editor's note, referee report, simulated authors' rebuttal, and a circularity audit. Tearing a paper down is the easy half of reading it; the pith above is the substance, this is the friction.

Referee Report

0 major / 3 minor

Summary. The manuscript reports a 9-hour FAST observation of M49 targeting ~4230 globular clusters (2.1 hr per GC) with a single-pulse search over DM 0-5000 pc cm^-3. No unambiguous astrophysical FRBs are detected; the sole 8.6-sigma trigger at DM 412.2 pc cm^-3 is consistent with noise after false-alarm correction. A beam-averaged sensitivity of 16.5 mJy (fluence limit ~16.5 mJy ms for 1 ms bursts) is derived, yielding an upper limit of 4.7 x 10^-4 FRB GC^-1 hr^-1.

Significance. If the non-detection and sensitivity hold, the result supplies a direct, observationally grounded upper limit on bright FRB rates in old stellar populations, complementing the M81 GC detection and helping test magnetar formation channels. The exposure accounting and standard single-pulse search pipeline are strengths; the limit follows directly from the non-detection without fitted parameters.

minor comments (3)
  1. [§3] §3 (Observations and data reduction): the precise mapping of the 19-beam receiver footprint onto the GC catalog positions and the resulting effective integration time per cluster could be shown explicitly (e.g., a histogram or table) to allow readers to verify the quoted 2.1 hr per GC average.
  2. [§4] §4 (Search and candidate vetting): the exact formula and trial factor used for the false-alarm probability of the 8.6-sigma event (accounting for DM trials, time samples, and beams) is stated only qualitatively; adding the numerical value would strengthen the claim that it is noise-consistent.
  3. [Figure 2] Figure 2 (or equivalent sensitivity plot): the fluence threshold is given for a 1 ms burst; clarifying whether the quoted 16.5 mJy ms limit assumes a top-hat pulse or includes the effects of intra-channel dispersion smearing at DM ~400 would remove ambiguity.

Simulated Author's Rebuttal

0 responses · 0 unresolved

We thank the referee for their positive review, recognition of the manuscript's strengths, and recommendation to accept. No major comments were raised.

Circularity Check

0 steps flagged

No circularity: observational non-detection yields rate upper limit directly from data

full rationale

The paper reports a standard single-pulse search on FAST observations of M49 GCs, with no detections after false-alarm accounting for the sole 8.6-sigma trigger. The beam-averaged sensitivity (16.5 mJy, 16.5 mJy ms fluence) is computed from telescope parameters and beam response; the rate upper limit (4.7e-4 FRB GC^-1 hr^-1) follows arithmetically from non-detection, exposure (2.1 hr/GC over 4230 GCs), and that sensitivity. No equations reduce to fitted inputs, no self-citations are load-bearing for any derivation, and no ansatz or uniqueness claim is invoked. The result is self-contained against external benchmarks with no internal reduction to its own inputs.

Axiom & Free-Parameter Ledger

0 free parameters · 1 axioms · 0 invented entities

This is an observational non-detection paper. No free parameters are fitted to data, no new entities are postulated, and the result rests on standard radio-astronomy assumptions about pulse detection and noise statistics.

axioms (1)
  • domain assumption Standard single-pulse search assumptions including DM smearing, beam response averaging, and false-alarm rate calculation from trial statistics hold for the FAST 19-beam data.
    Invoked to interpret the 8.6-sigma candidate as consistent with noise and to convert non-detection into a rate limit.

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discussion (0)

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Works this paper leans on

81 extracted references · 75 canonical work pages · 25 internal anchors

  1. [1]

    A bright millisecond radio burst of extragalactic origin

    A Bright Millisecond Radio Burst of Extragalactic Origin. Science , keywords =. doi:10.1126/science.1147532 , archivePrefix =. 0709.4301 , primaryClass =

    work page internal anchor Pith review Pith/arXiv arXiv doi:10.1126/science.1147532

  2. [2]

    , keywords =

    Fast radio bursts at the dawn of the 2020s. , keywords =. doi:10.1007/s00159-022-00139-w , archivePrefix =. 2107.10113 , primaryClass =

    work page doi:10.1007/s00159-022-00139-w

  3. [3]

    , keywords =

    The discovery and significance of fast radio bursts. , keywords =. doi:10.1007/s10509-024-04322-6 , archivePrefix =. 2405.19106 , primaryClass =

    work page doi:10.1007/s10509-024-04322-6

  4. [4]

    , keywords =

    A fast radio burst associated with a Galactic magnetar. , keywords =. doi:10.1038/s41586-020-2872-x , archivePrefix =. 2005.10828 , primaryClass =

    work page doi:10.1038/s41586-020-2872-x 2005

  5. [5]

    C., & Thompson, C

    Formation of Very Strongly Magnetized Neutron Stars: Implications for Gamma-Ray Bursts. , keywords =. doi:10.1086/186413 , adsurl =

    work page doi:10.1086/186413

  6. [6]

    The Soft Gamma Repeaters as Very Strongly Magnetized Neutron Stars. II. Quiescent Neutrino, X-Ray, and Alfven Wave Emission. , keywords =. doi:10.1086/178147 , adsurl =

    work page doi:10.1086/178147

  7. [7]

    A., 2006, @doi [Monthly Notices of the Royal Astronomical Society: Letters] 10.1111/j.1745-3933.2006.00174.x , 369, L56

    Supernova remnant energetics and magnetars: no evidence in favour of millisecond proto-neutron stars. , keywords =. doi:10.1111/j.1745-3933.2006.00178.x , archivePrefix =. astro-ph/0604187 , primaryClass =

    work page doi:10.1111/j.1745-3933.2006.00178.x 2006

  8. [8]

    Magnetars

    Magnetars. , keywords =. doi:10.1146/annurev-astro-081915-023329 , archivePrefix =. 1703.00068 , primaryClass =

    work page internal anchor Pith review Pith/arXiv arXiv doi:10.1146/annurev-astro-081915-023329

  9. [9]

    , keywords =

    A repeating fast radio burst source in a globular cluster. , keywords =. doi:10.1038/s41586-021-04354-w , archivePrefix =. 2105.11445 , primaryClass =

    work page doi:10.1038/s41586-021-04354-w

  10. [10]

    , keywords =

    Prospects for Detecting Fast Radio Bursts in the Globular Clusters of Nearby Galaxies. , keywords =. doi:10.3847/1538-4357/acabbf , archivePrefix =. 2210.04907 , primaryClass =

    work page doi:10.3847/1538-4357/acabbf

  11. [11]

    , keywords =

    Implications of a rapidly varying FRB in a globular cluster of M81. , keywords =. doi:10.1093/mnras/stab3500 , archivePrefix =. 2107.04059 , primaryClass =

    work page doi:10.1093/mnras/stab3500

  12. [12]

    Z., Weatherford, N

    White Dwarf Subsystems in Core-Collapsed Globular Clusters. , keywords =. doi:10.3847/1538-4357/ac06d4 , archivePrefix =. 2104.11751 , primaryClass =

    work page doi:10.3847/1538-4357/ac06d4

  13. [13]

    2020, Research in Astronomy and Astrophysics, 20, 064, doi: 10.1088/1674-4527/20/5/64

    The fundamental performance of FAST with 19-beam receiver at L band. Research in Astronomy and Astrophysics , keywords =. doi:10.1088/1674-4527/20/5/64 , archivePrefix =. 2002.01786 , primaryClass =

    work page doi:10.1088/1674-4527/20/5/64 2002

  14. [14]

    Searches for Giant Pulses from Extragalactic Pulsars

    Searches for Giant Pulses from Extragalactic Pulsars. , keywords =. doi:10.1086/378232 , archivePrefix =. astro-ph/0304365 , primaryClass =

    work page internal anchor Pith review Pith/arXiv arXiv doi:10.1086/378232

  15. [15]

    , keywords =

    Searching for pulsars, magnetars, and fast radio bursts in the sculptor galaxy using MeerKAT. , keywords =. doi:10.1093/mnras/stae1880 , archivePrefix =. 2408.01217 , primaryClass =

    work page doi:10.1093/mnras/stae1880

  16. [16]

    A Catalog of Globular Cluster Systems: What Determines the Size of a Galaxy's Globular Cluster Population?

    A Catalog of Globular Cluster Systems: What Determines the Size of a Galaxy's Globular Cluster Population?. , keywords =. doi:10.1088/0004-637X/772/2/82 , archivePrefix =. 1306.2247 , primaryClass =

    work page internal anchor Pith review Pith/arXiv arXiv doi:10.1088/0004-637x/772/2/82

  17. [17]

    The ACS Fornax Cluster Survey. V. Measurement and Recalibration of Surface Brightness Fluctuations and a Precise Value of the Fornax-Virgo Relative Distance. , keywords =. doi:10.1088/0004-637X/694/1/556 , archivePrefix =. 0901.1138 , primaryClass =

    work page internal anchor Pith review Pith/arXiv arXiv doi:10.1088/0004-637x/694/1/556

  18. [18]

    , keywords =

    A Repeating Fast Radio Burst Source in the Outskirts of a Quiescent Galaxy. , keywords =. doi:10.3847/2041-8213/ad9ddc , archivePrefix =. 2410.23374 , primaryClass =

    work page doi:10.3847/2041-8213/ad9ddc 2041

  19. [19]

    , keywords =

    The Massive and Quiescent Elliptical Host Galaxy of the Repeating Fast Radio Burst FRB 20240209A. , keywords =. doi:10.3847/2041-8213/ad9de2 , archivePrefix =. 2410.23336 , primaryClass =

    work page doi:10.3847/2041-8213/ad9de2 2041

  20. [20]

    The Innovation , keywords =

    FAST: Its Scientific Achievements and Prospects. The Innovation , keywords =. doi:10.1016/j.xinn.2020.100053 , archivePrefix =. 2011.13542 , primaryClass =

    work page doi:10.1016/j.xinn.2020.100053 2020

  21. [21]

    Commissioning Progress of the FAST

    Commissioning progress of the FAST. Science China Physics, Mechanics, and Astronomy , keywords =. doi:10.1007/s11433-018-9376-1 , archivePrefix =. 1903.06324 , primaryClass =

    work page internal anchor Pith review Pith/arXiv arXiv doi:10.1007/s11433-018-9376-1 1903

  22. [22]

    , keywords =

    Selection bias obfuscates the discovery of fast radio burst sources. , keywords =. doi:10.1038/s41586-024-08065-w , archivePrefix =. 2408.01876 , primaryClass =

    work page doi:10.1038/s41586-024-08065-w

  23. [23]

    , keywords =

    A Nearby Repeating Fast Radio Burst in the Direction of M81. , keywords =. doi:10.3847/2041-8213/abeaa6 , archivePrefix =. 2103.01295 , primaryClass =

    work page doi:10.3847/2041-8213/abeaa6 2041

  24. [24]

    arXiv e-prints , keywords =

    Mapping the Spatial Distribution of Fast Radio Bursts within their Host Galaxies. arXiv e-prints , keywords =. doi:10.48550/arXiv.2506.06453 , archivePrefix =. 2506.06453 , primaryClass =

    work page doi:10.48550/arxiv.2506.06453

  25. [25]

    The Five-Hundred-Meter Aperture Spherical Radio Telescope (FAST) Project

    The Five-Hundred Aperture Spherical Radio Telescope (fast) Project. International Journal of Modern Physics D , keywords =. doi:10.1142/S0218271811019335 , archivePrefix =. 1105.3794 , primaryClass =

    work page internal anchor Pith review Pith/arXiv arXiv doi:10.1142/s0218271811019335

  26. [26]

    L., Wang, C., Wang, P

    The FAST Galactic Plane Pulsar Snapshot survey: I. Project design and pulsar discoveries. Research in Astronomy and Astrophysics , keywords =. doi:10.1088/1674-4527/21/5/107 , archivePrefix =. 2105.08460 , primaryClass =

    work page doi:10.1088/1674-4527/21/5/107

  27. [27]

    Globular Cluster Systems and their Host Galaxies: Comparison of Spatial Distributions and Colors

    Globular Cluster Systems and their Host Galaxies: Comparison of Spatial Distributions and Colors. , keywords =. doi:10.1088/0004-637X/796/1/62 , archivePrefix =. 1409.6306 , primaryClass =

    work page internal anchor Pith review Pith/arXiv arXiv doi:10.1088/0004-637x/796/1/62

  28. [28]

    and Haberland, Matt and Reddy, Tyler and Cournapeau, David and Burovski, Evgeni and Peterson, Pearu and Weckesser, Warren and Bright, Jonathan and

    Virtanen, Pauli and Gommers, Ralf and Oliphant, Travis E. and Haberland, Matt and Reddy, Tyler and Cournapeau, David and Burovski, Evgeni and Peterson, Pearu and Weckesser, Warren and Bright, Jonathan and. Nature Methods , year =

  29. [29]

    Two High-Sensitivity Pulsar Searches

  30. [30]

    , keywords =

    A Fast Radio Burst Discovered in FAST Drift Scan Survey. , keywords =. doi:10.3847/2041-8213/ab8e46 , archivePrefix =. 2004.14029 , primaryClass =

    work page doi:10.3847/2041-8213/ab8e46 2041

  31. [31]

    The SUrvey for Pulsars and Extragalactic Radio Bursts II: New FRB discoveries and their follow-up

    The SUrvey for Pulsars and Extragalactic Radio Bursts - II. New FRB discoveries and their follow-up. , keywords =. doi:10.1093/mnras/stx3074 , archivePrefix =. 1711.08110 , primaryClass =

    work page internal anchor Pith review Pith/arXiv arXiv doi:10.1093/mnras/stx3074

  32. [32]

    The SUrvey for Pulsars and Extragalactic Radio Bursts I: Survey Description and Overview

    The SUrvey for Pulsars and Extragalactic Radio Bursts - I. Survey description and overview. , keywords =. doi:10.1093/mnras/stx2126 , archivePrefix =. 1706.04459 , primaryClass =

    work page internal anchor Pith review Pith/arXiv arXiv doi:10.1093/mnras/stx2126

  33. [33]

    , keywords =

    The Parkes multi-beam pulsar survey - I. Observing and data analysis systems, discovery and timing of 100 pulsars. Monthly Notices of the Royal Astronomical Society , keywords =. doi:10.1046/j.1365-8711.2001.04751.x , archivePrefix =. astro-ph/0106522 , primaryClass =

    work page doi:10.1046/j.1365-8711.2001.04751.x 2001

  34. [34]

    The first interferometric detections of Fast Radio Bursts

    The first interferometric detections of fast radio bursts. , keywords =. doi:10.1093/mnras/stx638 , archivePrefix =. 1703.10173 , primaryClass =

    work page internal anchor Pith review Pith/arXiv arXiv doi:10.1093/mnras/stx638

  35. [35]

    , keywords =

    Milliarcsecond Localization of the Repeating FRB 20201124A. , keywords =. doi:10.3847/2041-8213/ac540f , archivePrefix =. 2111.01600 , primaryClass =

    work page doi:10.3847/2041-8213/ac540f 2041

  36. [36]

    , keywords =

    Milliarcsecond localization of the hyperactive repeating FRB 20220912A. , keywords =. doi:10.1093/mnras/stae632 , archivePrefix =. 2312.14490 , primaryClass =

    work page doi:10.1093/mnras/stae632

  37. [37]

    , keywords =

    TRAPUM pulsar and transient search in the Sextans A and B galaxies and discovery of background FRB 20210924D. , keywords =. doi:10.1093/mnras/stae2308 , archivePrefix =. 2410.04658 , primaryClass =

    work page doi:10.1093/mnras/stae2308

  38. [38]

    The ACS Virgo Cluster Survey. X. Half-Light Radii of Globular Clusters in Early-Type Galaxies: Environmental Dependencies and a Standard Ruler for Distance Estimation. , keywords =. doi:10.1086/497092 , archivePrefix =. astro-ph/0508219 , primaryClass =

    work page internal anchor Pith review Pith/arXiv arXiv doi:10.1086/497092

  39. [39]

    , keywords =

    A burst storm from the repeating FRB 20200120E in an M81 globular cluster. , keywords =. doi:10.1093/mnras/stad269 , archivePrefix =. 2206.03759 , primaryClass =

    work page doi:10.1093/mnras/stad269

  40. [40]

    NE2001.I. A New Model for the Galactic Distribution of Free Electrons and its Fluctuations

    NE2001.I. A New Model for the Galactic Distribution of Free Electrons and its Fluctuations. arXiv e-prints , keywords =. doi:10.48550/arXiv.astro-ph/0207156 , archivePrefix =. astro-ph/0207156 , primaryClass =

    work page internal anchor Pith review Pith/arXiv arXiv doi:10.48550/arxiv.astro-ph/0207156

  41. [41]

    A New Electron Density Model for Estimation of Pulsar and FRB Distances

    A New Electron-density Model for Estimation of Pulsar and FRB Distances. , keywords =. doi:10.3847/1538-4357/835/1/29 , archivePrefix =. 1610.09448 , primaryClass =

    work page internal anchor Pith review Pith/arXiv arXiv doi:10.3847/1538-4357/835/1/29

  42. [42]

    , keywords =

    TransientX: A high-performance single-pulse search package. , keywords =. doi:10.1051/0004-6361/202348247 , archivePrefix =. 2401.13834 , primaryClass =

    work page doi:10.1051/0004-6361/202348247

  43. [43]

    PRESTO: PulsaR Exploration and Search TOolkit

  44. [44]

    , keywords =

    DRAFTS: A Deep-learning-based Radio Fast Transient Search Pipeline. , keywords =. doi:10.3847/1538-4365/ad8f31 , archivePrefix =. 2410.03200 , primaryClass =

    work page doi:10.3847/1538-4365/ad8f31

  45. [45]

    The Astrophysical Consequences of Intervening Galaxy Gas on Fast Radio Bursts

    The astrophysical consequences of intervening galaxy gas on fast radio bursts. , keywords =. doi:10.1093/mnras/stx2824 , archivePrefix =. 1711.00323 , primaryClass =

    work page internal anchor Pith review Pith/arXiv arXiv doi:10.1093/mnras/stx2824

  46. [46]

    The Dispersion of Fast Radio Bursts from a Structured Intergalactic Medium at Redshifts z < 1.5

    The Dispersion of Fast Radio Bursts from a Structured Intergalactic Medium at Redshifts z < 1.5. , keywords =. doi:10.3847/2041-8213/aaa2fa , archivePrefix =. 1712.01280 , primaryClass =

    work page internal anchor Pith review Pith/arXiv arXiv doi:10.3847/2041-8213/aaa2fa 2041

  47. [47]

    Probing Galactic Halos with Fast Radio Bursts

    Probing Galactic haloes with fast radio bursts. , keywords =. doi:10.1093/mnras/stz261 , archivePrefix =. 1901.11051 , primaryClass =

    work page internal anchor Pith review Pith/arXiv arXiv doi:10.1093/mnras/stz261 1901

  48. [48]

    , keywords =

    The Galactic Halo Contribution to the Dispersion Measure of Extragalactic Fast Radio Bursts. , keywords =. doi:10.3847/1538-4357/ab58c4 , archivePrefix =. 1909.00849 , primaryClass =

    work page doi:10.3847/1538-4357/ab58c4 1909

  49. [49]

    A census of baryons in the Universe from localized fast radio bursts.Nature2020,581, 391–395

    A census of baryons in the Universe from localized fast radio bursts. , keywords =. doi:10.1038/s41586-020-2300-2 , archivePrefix =. 2005.13161 , primaryClass =

    work page doi:10.1038/s41586-020-2300-2 2005

  50. [50]

    , keywords =

    A ROSAT determination of the mass of the central Virgo Cluster. , keywords =. doi:10.1093/mnras/274.4.1093 , adsurl =

    work page doi:10.1093/mnras/274.4.1093

  51. [51]

    Extended X-ray study of M49: the frontier of the Virgo Cluster

    Extended X-Ray Study of M49: The Frontier of the Virgo Cluster. , keywords =. doi:10.3847/1538-3881/ab1d51 , archivePrefix =. 1904.11899 , primaryClass =

    work page internal anchor Pith review Pith/arXiv arXiv doi:10.3847/1538-3881/ab1d51 1904

  52. [52]

    Nature Astronomy , keywords =

    Burst timescales and luminosities as links between young pulsars and fast radio bursts. Nature Astronomy , keywords =. doi:10.1038/s41550-021-01569-9 , archivePrefix =. 2105.11446 , primaryClass =

    work page doi:10.1038/s41550-021-01569-9

  53. [53]

    Handbook of Pulsar Astronomy

  54. [54]

    , keywords =

    The effect of digitisation on the signal-to-noise ratio of a pulsed radio signal. , keywords =. doi:10.1051/0004-6361:20011226 , adsurl =

    work page doi:10.1051/0004-6361:20011226

  55. [55]

    The CHIME Fast Radio Burst Project: System Overview

    The CHIME Fast Radio Burst Project: System Overview. , keywords =. doi:10.3847/1538-4357/aad188 , archivePrefix =. 1803.11235 , primaryClass =

    work page internal anchor Pith review Pith/arXiv arXiv doi:10.3847/1538-4357/aad188

  56. [56]

    The Commensal Real-time ASKAP Fast Transients (CRAFT) survey

    The Commensal Real-Time ASKAP Fast-Transients (CRAFT) Survey. , keywords =. doi:10.1071/AS09082 , archivePrefix =. 1001.2958 , primaryClass =

    work page internal anchor Pith review Pith/arXiv arXiv doi:10.1071/as09082

  57. [57]

    , keywords =

    CHIME/FRB Outriggers: KKO Station System and Commissioning Results. , keywords =. doi:10.3847/1538-3881/ad5838 , archivePrefix =. 2402.07898 , primaryClass =

    work page doi:10.3847/1538-3881/ad5838

  58. [58]

    1986, ApJ, 303, 336, doi: 10.1086/164079

    Confidence Limits for Small Numbers of Events in Astrophysical Data. , keywords =. doi:10.1086/164079 , adsurl =

    work page doi:10.1086/164079

  59. [59]

    , keywords =

    BURSTT: Bustling Universe Radio Survey Telescope in Taiwan. , keywords =. doi:10.1088/1538-3873/ac8f71 , archivePrefix =. 2206.08983 , primaryClass =

    work page doi:10.1088/1538-3873/ac8f71

  60. [60]

    , keywords =

    Future Constraints on Dark Matter with Gravitationally Lensed Fast Radio Bursts Detected by BURSTT. , keywords =. doi:10.3847/1538-4357/accb9e , archivePrefix =. 2304.04990 , primaryClass =

    work page doi:10.3847/1538-4357/accb9e

  61. [61]

    Planck intermediate results. XL. The Sunyaev-Zeldovich signal from the Virgo cluster. , keywords =. doi:10.1051/0004-6361/201527743 , archivePrefix =. 1511.05156 , primaryClass =

    work page internal anchor Pith review Pith/arXiv arXiv doi:10.1051/0004-6361/201527743

  62. [62]

    , keywords =

    A cooling flow in the giant, elliptical galaxy NGC 4472. , keywords =. doi:10.1093/mnras/220.4.949 , adsurl =

    work page doi:10.1093/mnras/220.4.949

  63. [63]

    , keywords =

    The Gas Dynamics of NGC 4472 Revealed by XMM-Newton. , keywords =. doi:10.1088/0004-637X/727/1/41 , adsurl =

    work page doi:10.1088/0004-637x/727/1/41

  64. [64]

    , year = 1960, month = oct, volume =

    Dust and gas in globular clusters. , year = 1960, month = oct, volume =. doi:10.1086/108288 , adsurl =

    work page doi:10.1086/108288 1960

  65. [65]

    , keywords =

    Limits on Ionized Gas in Globular Clusters. , keywords =. doi:10.1086/177144 , adsurl =

    work page doi:10.1086/177144

  66. [66]

    A VST and VISTA study of globular clusters in NGC253

    A VST and VISTA study of globular clusters in NGC 253. , keywords =. doi:10.1051/0004-6361/201731325 , archivePrefix =. 1711.00805 , primaryClass =

    work page internal anchor Pith review Pith/arXiv arXiv doi:10.1051/0004-6361/201731325

  67. [67]

    , keywords =

    Characterizing the Fast Radio Burst Host Galaxy Population and its Connection to Transients in the Local and Extragalactic Universe. , keywords =. doi:10.3847/1538-3881/ac3aec , archivePrefix =. 2108.01282 , primaryClass =

    work page doi:10.3847/1538-3881/ac3aec

  68. [68]

    , keywords =

    The Demographics, Stellar Populations, and Star Formation Histories of Fast Radio Burst Host Galaxies: Implications for the Progenitors. , keywords =. doi:10.3847/1538-4357/ace5aa , archivePrefix =. 2302.05465 , primaryClass =

    work page doi:10.3847/1538-4357/ace5aa

  69. [69]

    The physics of fast radio bursts.Rev

    The physics of fast radio bursts. Reviews of Modern Physics , keywords =. doi:10.1103/RevModPhys.95.035005 , archivePrefix =. 2212.03972 , primaryClass =

    work page doi:10.1103/revmodphys.95.035005

  70. [70]

    , keywords =

    A bright millisecond-duration radio burst from a Galactic magnetar. , keywords =. doi:10.1038/s41586-020-2863-y , archivePrefix =. 2005.10324 , primaryClass =

    work page doi:10.1038/s41586-020-2863-y 2005

  71. [71]

    , keywords =

    CRAFTS for Fast Radio Bursts: Extending the Dispersion-Fluence Relation with New FRBs Detected by FAST. , keywords =. doi:10.3847/2041-8213/abe7f0 , archivePrefix =. 2102.10546 , primaryClass =

    work page doi:10.3847/2041-8213/abe7f0 2041

  72. [72]

    H., Aggarwal, K., Li, D., et al

    A repeating fast radio burst associated with a persistent radio source. , keywords =. doi:10.1038/s41586-022-04755-5 , archivePrefix =. 2110.07418 , primaryClass =

    work page doi:10.1038/s41586-022-04755-5

  73. [73]

    Essential Radio Astronomy

  74. [74]

    , keywords =

    Murriyang cryogenic phased array feed: Spectral-line results and noise-reduction methods. , keywords =. doi:10.1017/pasa.2026.10164 , archivePrefix =. 2602.12677 , primaryClass =

    work page doi:10.1017/pasa.2026.10164 2026

  75. [75]

    Hotan, A. W. and van Straten, W. and Manchester, R. N. , title =. PASA , volume =

  76. [76]

    , keywords =

    Detection of over 37 000 giant pulses per hour from PSR J1823‑3021A with UHF baseband observations from MeerKAT. , keywords =. doi:10.1093/mnras/staf995 , archivePrefix =. 2506.14887 , primaryClass =

    work page doi:10.1093/mnras/staf995

  77. [77]

    Supergiant Pulses from Extragalactic Neutron Stars

    Supergiant pulses from extragalactic neutron stars. , keywords =. doi:10.1093/mnras/stv2948 , archivePrefix =. 1501.00753 , primaryClass =

    work page internal anchor Pith review Pith/arXiv arXiv doi:10.1093/mnras/stv2948

  78. [78]

    Fast radio bursts as giant pulses from young rapidly rotating pulsars

    Fast radio bursts as giant pulses from young rapidly rotating pulsars. , keywords =. doi:10.1093/mnras/stw1669 , archivePrefix =. 1603.02891 , primaryClass =

    work page internal anchor Pith review Pith/arXiv arXiv doi:10.1093/mnras/stw1669

  79. [79]

    , keywords =

    Constraints on the X-ray-to-radio fluence ratio of FRB 20240114A. , keywords =. doi:10.1051/0004-6361/202453563 , archivePrefix =. 2503.02580 , primaryClass =

    work page doi:10.1051/0004-6361/202453563

  80. [80]

    , keywords =

    FRB 20240619D: a study of the hyperactivity, rotation measure evolution, and searches for a persistent radio source. , keywords =. doi:10.1093/mnras/staf2222 , adsurl =

    work page doi:10.1093/mnras/staf2222

Showing first 80 references.