Scanning the Universe for Large-Scale Structures Using Gamma-Ray Bursts
In the past few decades, large universal structures have been found that challenge the homogeneity and isotropy expected in standard cosmological models. The largest of these, identified as the Hercules–Corona Borealis Great Wall, was found in 2014 in the northern galactic hemisphere in the redshift...
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2025-04-01
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| Online Access: | https://www.mdpi.com/2218-1997/11/4/121 |
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| author | Istvan Horvath Zsolt Bagoly Lajos G. Balazs Jon Hakkila Bendeguz Koncz Istvan I. Racz Peter Veres Sandor Pinter |
| author_facet | Istvan Horvath Zsolt Bagoly Lajos G. Balazs Jon Hakkila Bendeguz Koncz Istvan I. Racz Peter Veres Sandor Pinter |
| author_sort | Istvan Horvath |
| collection | DOAJ |
| description | In the past few decades, large universal structures have been found that challenge the homogeneity and isotropy expected in standard cosmological models. The largest of these, identified as the Hercules–Corona Borealis Great Wall, was found in 2014 in the northern galactic hemisphere in the redshift range of <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mrow><mn>1.6</mn><mo>≤</mo><mi>z</mi><mo>≤</mo><mn>2.1</mn></mrow></semantics></math></inline-formula>. Subsequent studies used an increasing gamma-ray burst database to show that the cluster was unlikely to have been caused by statistical sampling uncertainties. This study re-examines burst clustering in the northern galactic hemisphere using a recently developed methodology. Evidence is provided that the Hercules–Corona Borealis Great Wall cluster is larger than previously thought, with members potentially spanning the redshift range of <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mrow><mn>0.33</mn><mo>≤</mo><mi>z</mi><mo>≤</mo><mn>2.43</mn></mrow></semantics></math></inline-formula>. The extension of this cluster’s size does not appear to have been due to statistical variations or sampling biases. |
| format | Article |
| id | doaj-art-b7c73771b8274947bdcbc34ad41cd847 |
| institution | OA Journals |
| issn | 2218-1997 |
| language | English |
| publishDate | 2025-04-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Universe |
| spelling | doaj-art-b7c73771b8274947bdcbc34ad41cd8472025-08-20T02:25:07ZengMDPI AGUniverse2218-19972025-04-0111412110.3390/universe11040121Scanning the Universe for Large-Scale Structures Using Gamma-Ray BurstsIstvan Horvath0Zsolt Bagoly1Lajos G. Balazs2Jon Hakkila3Bendeguz Koncz4Istvan I. Racz5Peter Veres6Sandor Pinter7Department of Natural Science, University of Public Service, H-1441 Budapest, HungaryDepartment of Natural Science, University of Public Service, H-1441 Budapest, HungaryDepartment of Astronomy, Eötvös University, H-1053 Budapest, HungaryDepartment of Physics and Astronomy, University of Alabama in Huntsville, Huntsville, AL 35899, USADepartment of Astronomy, Eötvös University, H-1053 Budapest, HungaryDepartment of Natural Science, University of Public Service, H-1441 Budapest, HungaryDepartment of Space Science, University of Alabama in Huntsville, Huntsville, AL 35899, USADepartment of Natural Science, University of Public Service, H-1441 Budapest, HungaryIn the past few decades, large universal structures have been found that challenge the homogeneity and isotropy expected in standard cosmological models. The largest of these, identified as the Hercules–Corona Borealis Great Wall, was found in 2014 in the northern galactic hemisphere in the redshift range of <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mrow><mn>1.6</mn><mo>≤</mo><mi>z</mi><mo>≤</mo><mn>2.1</mn></mrow></semantics></math></inline-formula>. Subsequent studies used an increasing gamma-ray burst database to show that the cluster was unlikely to have been caused by statistical sampling uncertainties. This study re-examines burst clustering in the northern galactic hemisphere using a recently developed methodology. Evidence is provided that the Hercules–Corona Borealis Great Wall cluster is larger than previously thought, with members potentially spanning the redshift range of <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mrow><mn>0.33</mn><mo>≤</mo><mi>z</mi><mo>≤</mo><mn>2.43</mn></mrow></semantics></math></inline-formula>. The extension of this cluster’s size does not appear to have been due to statistical variations or sampling biases.https://www.mdpi.com/2218-1997/11/4/121cosmology: large-scale structure of the universemethods: data analysismethods: statisticaltransients: gamma-ray burstsstars: gamma-ray bursts: generalcosmology: observations |
| spellingShingle | Istvan Horvath Zsolt Bagoly Lajos G. Balazs Jon Hakkila Bendeguz Koncz Istvan I. Racz Peter Veres Sandor Pinter Scanning the Universe for Large-Scale Structures Using Gamma-Ray Bursts Universe cosmology: large-scale structure of the universe methods: data analysis methods: statistical transients: gamma-ray bursts stars: gamma-ray bursts: general cosmology: observations |
| title | Scanning the Universe for Large-Scale Structures Using Gamma-Ray Bursts |
| title_full | Scanning the Universe for Large-Scale Structures Using Gamma-Ray Bursts |
| title_fullStr | Scanning the Universe for Large-Scale Structures Using Gamma-Ray Bursts |
| title_full_unstemmed | Scanning the Universe for Large-Scale Structures Using Gamma-Ray Bursts |
| title_short | Scanning the Universe for Large-Scale Structures Using Gamma-Ray Bursts |
| title_sort | scanning the universe for large scale structures using gamma ray bursts |
| topic | cosmology: large-scale structure of the universe methods: data analysis methods: statistical transients: gamma-ray bursts stars: gamma-ray bursts: general cosmology: observations |
| url | https://www.mdpi.com/2218-1997/11/4/121 |
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