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Center-to-Limb Variation of Radio Emissions from Thermal-Rich and Thermal-Poor Solar Flares

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Tomoko Kawate, Ayumi Asai, Ichimoto Kiyoshi

Solar and Stellar Astrophysics · Submitted 10 Jul 2011

abstract compiled · 2026-09-23 · no language-model review

The authors' main claim It is found that peak flux of 17 and 34GHz tend to be higher toward the limb for thermal-rich flares with short durations.

how it is stated · asserted 0.90 read the record →

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arXiv ID1107.1905 (version 1)
Pith IDD3DCBRE5, Pith's permanent record of this paper and its review
CitationAyumi Asai, Ichimoto Kiyoshi, Tomoko Kawate. "Center-to-Limb Variation of Radio Emissions from Thermal-Rich and Thermal-Poor Solar Flares." arXiv:1107.1905 (2011). https://pith.science/paper/D3DCBRE5
Claim paper

The compiled record

The paper's own sentences, arranged. Each label is drawn from a closed vocabulary; the number beside it is the probability the classifier gave that label. Numbers in the tables are the authors', checked by code. No sentence in this record was written by a model.

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Compiled by classifier-1.13-20260917 via OpenRouter, question bank abstract-p1-20260923, 2026-09-23: 1 request, 3,762 input tokens, $0.0002 reported.

What the abstract itself states, as probabilities: claims first 0.03 · states limitation 0.06 · human participants 0.02 · controlled comparison 0.26 · randomized assignment 0.02 · states quantitative result 0.19 · compares with prior results 0.08 · mentions code or data availability 0.02.

The abstract, sentence by sentence

arXiv listing abstract v1. Results and the main claim are underlined; .

A statistical analysis of radio flare events was performed by using the event list of Nobeyama Radioheliograph in 1996-2009. We examined center-to-limb variations of 17GHz and 34GHz flux by dividing the flare events into different groups with respect to the 'thermal plasma richness' (ratio of the peak flux of soft X-ray to non-thermal radio emissions) and the duration of radio bursts. It is found that peak flux of 17 and 34GHz tend to be higher toward the limb for thermal-rich flares with short durations. We propose that the thermal-rich flares, which are supposed to be associated with an efficient precipitation of high energy particles into the chromosphere, have a pitch angle distribution of non-thermal electrons with a higher population along the flare loop.

background contribution method result interpretation main claim

What the classifier reports for each sentence. The number is the probability it gave the label.
#sentencerolethe authors' own workstates the main conclusionstrength
s0 A statistical analysis of radio flare events was performed by using the event list of Nobeyama Radioheliograph in 1996-2009. method 0.97 0.90 0.02 asserted 0.96
s1 We examined center-to-limb variations of 17GHz and 34GHz flux by dividing the flare events into different groups with respect to the 'thermal plasma richness' (ratio of the peak flux of soft X-ray to non-thermal radio emissions) and the duration of radio bursts. method 0.91 0.96 0.04 asserted 0.94
s2 It is found that peak flux of 17 and 34GHz tend to be higher toward the limb for thermal-rich flares with short durations. result 1.00 0.95 0.77 asserted 0.90
s3 We propose that the thermal-rich flares, which are supposed to be associated with an efficient precipitation of high energy particles into the chromosphere, have a pitch angle distribution of non-thermal electrons with a higher population along the flare loop. interpretation 1.00 0.31 0.25 hedged possibility 0.43

What kind of paper the classifier reports this is: empirical study 1.00 · evidence from analysis of existing data 1.00.

What was examined, and what was not

sources read
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not examined
  • full text
  • figures and tables
  • references and citing sentences
  • relations to other papers
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  • P abstract
not run
  • S sections
  • T body sentences
  • C citations
  • R cross-paper relations

Every quoted sentence on this record is the authors'. Every label is from Pith's closed vocabulary, with the probability shown beside it. Every number in the measurements table is the authors', checked by code. Record as JSON

The paper
Original abstract

A statistical analysis of radio flare events was performed by using the event list of Nobeyama Radioheliograph in 1996-2009. We examined center-to-limb variations of 17GHz and 34GHz flux by dividing the flare events into different groups with respect to the 'thermal plasma richness' (ratio of the peak flux of soft X-ray to non-thermal radio emissions) and the duration of radio bursts. It is found that peak flux of 17 and 34GHz tend to be higher toward the limb for thermal-rich flares with short durations. We propose that the thermal-rich flares, which are supposed to be associated with an efficient precipitation of high energy particles into the chromosphere, have a pitch angle distribution of non-thermal electrons with a higher population along the flare loop.

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