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Title:Anisotropy studies of ultra-high-energy cosmic rays measured at the Pierre Auger Observatory
Authors:ID Schulte, Josina (Author)
ID Filipčič, Andrej (Author)
ID Lundquist, Jon Paul (Author)
ID Shivashankara, Shima Ujjani (Author)
ID Stanič, Samo (Author)
ID Vorobiov, Serguei (Author)
ID Zavrtanik, Danilo (Author)
ID Zavrtanik, Marko (Author), et al.
Files:.pdf TAUP2023_136.pdf (5,01 MB)
MD5: D05331CC367452019243037E8F55FD3C
 
URL https://pos.sissa.it/441/
 
URL https://www.auger.org/archive/authors_2023_11.html
 
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Language:English
Work type:Unknown
Typology:1.08 - Published Scientific Conference Contribution
Organization:UNG - University of Nova Gorica
Abstract:Measurements of anisotropic arrival directions of ultra-high-energy cosmic rays provide important information for identifying their sources. On large scales, cosmic rays with energies above 8 EeV reveal a dipolar flux modulation in right ascension with a significance of 6.9 deg., with the dipole direction pointing 113◦ away from the Galactic center. This observation is explained by extragalactic origins. Also, model-independent searches for small- and intermediate-scale overdensities have been performed in order to unveil astrophysically interesting regions. On these scales, no statistically significant features could be detected. However, intermediate-scale analyses comparing the measured arrival directions with potential source catalogs show indications for a coincidence of the measured arrival directions with catalogs of starburst galaxies and the Centaurus A region. In this contribution, an overview of the studies regarding anisotropies of the arrival directions of ultra-high-energy cosmic rays measured at the Pierre Auger Observatory on different angular scales is presented and the current results are discussed.
Keywords:Pierre Auger Observatory, ultra-high energy cosmic rays, UHECR anisotropy studies, UHECR sources
Publication status:Published
Publication version:Version of Record
Year of publishing:2023
Number of pages:Str. 1-5
PID:20.500.12556/RUNG-8821 New window
COBISS.SI-ID:182289155 New window
UDC:52
ISSN on article:1824-8039
DOI:10.22323/1.441.0136 New window
NUK URN:URN:SI:UNG:REP:2DRCMD4T
Publication date in RUNG:24.01.2024
Views:817
Downloads:5
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Record is a part of a proceedings

Title:XVIII International Conference on Topics in Astroparticle and Underground Physics [also] TAUP2023
COBISS.SI-ID:182275843 New window

Record is a part of a journal

Title:Proceedings of science
Shortened title:Pos proc. sci.
Publisher:Sissa
ISSN:1824-8039
COBISS.SI-ID:20239655 New window

Document is financed by a project

Funder:ARRS - Slovenian Research Agency
Project number:P1-0031
Name:Večglasniška astrofizika

Funder:ARRS - Slovenian Research Agency
Project number:N1-0111
Name:Identifikacija izvorov kozmičnih žarkov med aktivnimi galaksijami s curki

Licences

License:CC BY-NC-ND 4.0, Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International
Link:http://creativecommons.org/licenses/by-nc-nd/4.0/
Description:The most restrictive Creative Commons license. This only allows people to download and share the work for no commercial gain and for no other purposes.

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