The polarized Gamma-Ray Burst GRB 061122

A. Fernandez-Soto; D. Gotz; P. Laurent; S. Covino; Z . Bosnjak

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The polarized Gamma-Ray Burst GRB 061122

D. Gotz, S. Covino, A. Fernandez-Soto, P. Laurent, Z . Bosnjak

High Energy Astrophysical Phenomena · Submitted 18 Mar 2013

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

The authors' main claim The polarization measurement in different energy bands, together with the distance determination, allowed us to put the most stringent limit (xi < 3.4x10-16) to date to a possible Lorentz Invariance Violation based on the vacuum birefringence effect, predicted by some quantum-gravity theories.

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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, 5,332 input tokens, $0.0002 reported.

What the abstract itself states, as probabilities: claims first 0.10 · states limitation 0.52 · human participants 0.02 · controlled comparison 0.02 · randomized assignment 0.01 · states quantitative result 0.99 · compares with prior results 0.79 · mentions code or data availability 0.02.

The abstract, sentence by sentence

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

We report on the polarization measure, obtained with IBIS on board INTEGRAL, of the prompt emission of GRB 061122. Over an 8 s interval containing the brightest part of the Gamma-Ray Burst we put a lower limit on its polarization fraction of 60% at 68% c.l. and of 33% at 90% c.l. on the 250-800 keV energy range. We performed late time optical and near infra-red imaging observations of the GRB field using the Telescopio Nazionale Galileo (TNG), and the Canada-France-Hawaii Telescope (CFHT). Our multi-band (ugrizYJHK) photometry allowed us to identify the host galaxy of GRB 061122 and to build its SED. Using a photometric redshift code we fitted these data, and derived the basic properties of the galaxy, including its type and redshift, that we could constrain to the interval [0.57, 2.10] at a 90% c.l., with a best fit value of z=1.33. The polarization measurement in different energy bands, together with the distance determination, allowed us to put the most stringent limit (xi < 3.4x10-16) to date to a possible Lorentz Invariance Violation based on the vacuum birefringence effect, predicted by some quantum-gravity theories.

background contribution method result interpretation main claim

What the classifier reports for each sentence. The number is the probability it gave the label.
#	sentence	role	the authors' own work	states the main conclusion	strength
s0	We report on the polarization measure, obtained with IBIS on board INTEGRAL, of the prompt emission of GRB 061122.	contribution 0.97	0.97	0.07	asserted 1.00
s1	Over an 8 s interval containing the brightest part of the Gamma-Ray Burst we put a lower limit on its polarization fraction of 60% at 68% c.l. and of 33% at 90% c.l. on the 250-800 keV energy range.	result 1.00	0.97	0.26	asserted 1.00
s2	We performed late time optical and near infra-red imaging observations of the GRB field using the Telescopio Nazionale Galileo (TNG), and the Canada-France-Hawaii Telescope (CFHT).	method 0.96	0.97	0.02	asserted 0.99
s3	Our multi-band (ugrizYJHK) photometry allowed us to identify the host galaxy of GRB 061122 and to build its SED.	result 0.38	0.97	0.03	asserted 1.00
s4	Using a photometric redshift code we fitted these data, and derived the basic properties of the galaxy, including its type and redshift, that we could constrain to the interval [0.57, 2.10] at a 90% c.l., with a best fit value of z=1.33.	result 0.94	0.97	0.07	asserted 0.83
s5	The polarization measurement in different energy bands, together with the distance determination, allowed us to put the most stringent limit (xi < 3.4x10-16) to date to a possible Lorentz Invariance Violation based on the vacuum birefringence effect, predicted by some quantum-gravity theories.	result 0.83	0.93	0.69	asserted 0.97

What kind of paper the classifier reports this is: empirical study 1.00 · evidence from observation or experiment 1.00.

What was examined, and what was not

sources read

arXiv listing abstract v1

not examined

full text
figures and tables
references and citing sentences
relations to other papers

levels run

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

We report on the polarization measure, obtained with IBIS on board INTEGRAL, of the prompt emission of GRB 061122. Over an 8 s interval containing the brightest part of the Gamma-Ray Burst we put a lower limit on its polarization fraction of 60% at 68% c.l. and of 33% at 90% c.l. on the 250-800 keV energy range. We performed late time optical and near infra-red imaging observations of the GRB field using the Telescopio Nazionale Galileo (TNG), and the Canada-France-Hawaii Telescope (CFHT). Our multi-band (ugrizYJHK) photometry allowed us to identify the host galaxy of GRB 061122 and to build its SED. Using a photometric redshift code we fitted these data, and derived the basic properties of the galaxy, including its type and redshift, that we could constrain to the interval [0.57, 2.10] at a 90% c.l., with a best fit value of z=1.33. The polarization measurement in different energy bands, together with the distance determination, allowed us to put the most stringent limit (xi < 3.4x10-16) to date to a possible Lorentz Invariance Violation based on the vacuum birefringence effect, predicted by some quantum-gravity theories.

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References

Forward citations

Cited by 4 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

Very High-Energy GRB Afterglow Fits with Neural-Network Emulation and Bayesian inference
astro-ph.HE 2026-09 conditional novelty 6.0 of 10

An ANN emulator of a kinetic SSC afterglow code enables MCMC inference on GRB 190114C, yielding E_k,iso ~ 7.2e54 erg, Gamma ~ 575, n ~ 0.1 cm^-3, while flagging that the constant-density ISM fails at late times.
GRB 181201A: Spectropolarimetric Constraints on Prompt Emission and Magnetic Field Structure
astro-ph.HE 2026-10 conditional novelty 5.0 of 10

GRB 181201A shows 81-93% polarization with a modest 20-degree angle drift, favoring a patchy magnetic field over photospheric emission in its jet.
Tests of Lorentz invariance: a 2013 update
gr-qc 2013-04 accept novelty 3.0 of 10

Lorentz-violation constraints from particle physics and astrophysics are collected and tabulated, and applying them to Horava-Lifshitz gravity is argued to force that theory's Lorentz-breaking scale well below the Pla...
Searches for new particle physics by methods of classical and neutrino astronomy
hep-ph 2026-10 conditional novelty 2.0 of 10

Astrophysical observations currently limit axion couplings, magnetic monopole fluxes, superheavy dark matter lifetimes, and neutrino decay, with no unambiguous new physics signal in the reviewed data.

How the literature uses it

3 arXiv papers cite this in 7 sentences

Each citing sentence is taken from the citing paper's LaTeX source and typed by Pith's classifier. A label appears at probability 0.8 or more (0.95 for support), a contest at 0.7 or more; the quoted words are the citing authors'. How each label was checked · JSON

Papers citing it · 3 sentences without a confident label

Uses its method or tool 1 paper

In this work, we will only rely on the second one following [ref] .

Cosmological birefringence constraints from CMB and astrophysical polarization data · Gamma-ray bursts · 0.87

Uses its data or values 2 papers

As done in [ref] , we will use the conservative constraint on the rotation angle $α=0±50$ degrees (68% C.L.).

Cosmological birefringence constraints from CMB and astrophysical polarization data · Gamma-ray bursts · 1.00
Indeed, taking the best constraint $ξ≲10^-16$ on such operators [ref] ,

Astrophysical constraints on Planck scale dissipative phenomena · Introduction · 0.99

Compares with it 1 paper

If we include also the constraint from GRB we obtain at 68% C.L.: [equation] As expected, the GRB provides the dominant contribution and our result is indeed compatible with the upper limit presented in [ref] .

Cosmological birefringence constraints from CMB and astrophysical polarization data · Analysis and results · 0.93

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