Table · dataset · 2026
FRB 20240114A dynamic spectra of bursts detections
Listed in IVOA Registry (Virtual Observatory)
FRB 20240114A is a hyperactive repeating fast radio burst (FRB) source discovered by the CHIME/FRB Collaboration in January 2024.
Description
The source has been followed up by numerous radio telescopes, including MeerKAT, uGMRT, and FAST, and has been localized to a dwarf star-forming galaxy at a redshift of z~0.13 with a confirmed persistent radio source. We report observations of FRB 20240114A with the Effelsberg 100-m radio telescope using the Ultra BroadBand (UBB) receiver, covering 1.3-6.0GHz.
Over four epochs, we detected more than 700 bursts, providing an unprecedented broadband dataset for statistical analysis of this active repeater. We performed a comprehensive study of the bursts' morphologies, occurrence rates, spectral and temporal widths, and waiting-time distributions across six sub-bands spanning the UBB frequency range. The bursts exhibit four main spectral morphologies, including simple, complex, and frequency-drifting structures.
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No bursts were detected across the full 1.3-6GHz band, confirming band-limited emission. Burst widths show modest frequency evolution, while fractional bandwidths remain roughly constant at ~10%. Burst rates vary strongly with time and frequency, partly influenced by scintillation.
The waiting-time distribution is bimodal, with largely independent bursts and short-timescale clustering on ~10ms, indicating a characteristic emission timescale. The source can switch emission frequencies by GHz on seconds and by ~700MHz on millisecond timescales, implying a highly agile emission mechanism.
Links
Where it is published
- Reference page cdsarc.cds.unistra.fr/viz-bin/cat/J/A+A/709/A47 ↗
landing page · from IVOA Registry
Documentation and papers
- ADS 2026A&A...709A..47L ui.adsabs.harvard.edu/abs/2026A%26A...709A..47L ↗
publication · from IVOA Registry
Catalogue records · 2
- VOResource record dc.g-vo.org/oai.xml?verb=GetRecord&metadataPrefix=ivo_vor&identifier=ivo%3… ↗
metadata API · from IVOA Registry
- Registry record (GAVO) dc.g-vo.org/I/cds.vizier/j/a%2Ba/709/a47 ↗
catalogue entry · from IVOA Registry
Topics
- Stated by source
- Radio
- From keywords
- Astronomy & Astrophysics
Provenance · 1 source records, 8 field assertions
| Source | Key | Last seen | Raw |
|---|---|---|---|
| IVOA Registry (Virtual Observatory) | ivo://cds.vizier/j/a+a/709/a47 | 14 d ago | JSON v1 |
| Field | Assertion | Extractor | Evidence |
|---|---|---|---|
| access_level | source · IVOA Registry | connector:ivoa_registry@1.0.0 | |
| concepts[field].local:field:astronomy | mapping · IVOA Registry | connector:ivoa_registry@1.0.0 | |
| concepts[modality].ivoa_waveband:radio | source · IVOA Registry | connector:ivoa_registry@1.0.0 | |
| description | source · IVOA Registry | connector:ivoa_registry@1.0.0 | rr.resource.res_description |
| license_text | source · IVOA Registry | connector:ivoa_registry@1.0.0 | |
| publication_date | source · IVOA Registry | connector:ivoa_registry@1.0.0 | |
| title | source · IVOA Registry | connector:ivoa_registry@1.0.0 | rr.resource.res_title |
| updated_date | source · IVOA Registry | connector:ivoa_registry@1.0.0 |