Large-scale distribution of cosmic rays in right ascension as observed by the Yakutsk array at energies above $10^{18}$ eV
Astroparticle Physics 62 (2015) 1 We present the results of searches for anisotropy in the right ascension ($RA$) distribution of arrival directions of cosmic rays (CRs) detected with the Yakutsk array during the 1974--2008 observational period in the energy range above $10^{18}$ eV. Two methods of...
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| creator | Ivanov, A. A Krasilnikov, A. D Pravdin, M. I Sabourov, A. V |
| description | Astroparticle Physics 62 (2015) 1 We present the results of searches for anisotropy in the right ascension
($RA$) distribution of arrival directions of cosmic rays (CRs) detected with
the Yakutsk array during the 1974--2008 observational period in the energy
range above $10^{18}$ eV. Two methods of analysis are applied to two
sub-samples of the data. Particularly, estimations of the first and second
harmonic amplitudes are given, as well as the first harmonic phase in adjacent
energy intervals. Analysis of variance demonstrates a significant contraction
of the minimal width of the $RA$ distribution in the energy bin
$(10^{19},1.78\times10^{19})$ eV with respect to the isotropic distribution,
which may be attributed to a possible source of CRs within the interval
$RA\in(15^0,45^0)$. |
| doi_str_mv | 10.48550/arxiv.1407.1583 |
| format | Article |
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($RA$) distribution of arrival directions of cosmic rays (CRs) detected with
the Yakutsk array during the 1974--2008 observational period in the energy
range above $10^{18}$ eV. Two methods of analysis are applied to two
sub-samples of the data. Particularly, estimations of the first and second
harmonic amplitudes are given, as well as the first harmonic phase in adjacent
energy intervals. Analysis of variance demonstrates a significant contraction
of the minimal width of the $RA$ distribution in the energy bin
$(10^{19},1.78\times10^{19})$ eV with respect to the isotropic distribution,
which may be attributed to a possible source of CRs within the interval
$RA\in(15^0,45^0)$.</description><identifier>DOI: 10.48550/arxiv.1407.1583</identifier><language>eng</language><subject>Physics - High Energy Astrophysical Phenomena</subject><creationdate>2014-07</creationdate><rights>http://arxiv.org/licenses/nonexclusive-distrib/1.0</rights><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>228,230,777,882</link.rule.ids><linktorsrc>$$Uhttps://arxiv.org/abs/1407.1583$$EView_record_in_Cornell_University$$FView_record_in_$$GCornell_University$$Hfree_for_read</linktorsrc><backlink>$$Uhttps://doi.org/10.1016/j.astropartphys.2014.07.002$$DView published paper (Access to full text may be restricted)$$Hfree_for_read</backlink><backlink>$$Uhttps://doi.org/10.48550/arXiv.1407.1583$$DView paper in arXiv$$Hfree_for_read</backlink></links><search><creatorcontrib>Ivanov, A. A</creatorcontrib><creatorcontrib>Krasilnikov, A. D</creatorcontrib><creatorcontrib>Pravdin, M. I</creatorcontrib><creatorcontrib>Sabourov, A. V</creatorcontrib><title>Large-scale distribution of cosmic rays in right ascension as observed by the Yakutsk array at energies above $10^{18}$ eV</title><description>Astroparticle Physics 62 (2015) 1 We present the results of searches for anisotropy in the right ascension
($RA$) distribution of arrival directions of cosmic rays (CRs) detected with
the Yakutsk array during the 1974--2008 observational period in the energy
range above $10^{18}$ eV. Two methods of analysis are applied to two
sub-samples of the data. Particularly, estimations of the first and second
harmonic amplitudes are given, as well as the first harmonic phase in adjacent
energy intervals. Analysis of variance demonstrates a significant contraction
of the minimal width of the $RA$ distribution in the energy bin
$(10^{19},1.78\times10^{19})$ eV with respect to the isotropic distribution,
which may be attributed to a possible source of CRs within the interval
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($RA$) distribution of arrival directions of cosmic rays (CRs) detected with
the Yakutsk array during the 1974--2008 observational period in the energy
range above $10^{18}$ eV. Two methods of analysis are applied to two
sub-samples of the data. Particularly, estimations of the first and second
harmonic amplitudes are given, as well as the first harmonic phase in adjacent
energy intervals. Analysis of variance demonstrates a significant contraction
of the minimal width of the $RA$ distribution in the energy bin
$(10^{19},1.78\times10^{19})$ eV with respect to the isotropic distribution,
which may be attributed to a possible source of CRs within the interval
$RA\in(15^0,45^0)$.</abstract><doi>10.48550/arxiv.1407.1583</doi><oa>free_for_read</oa></addata></record> |
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| subjects | Physics - High Energy Astrophysical Phenomena |
| title | Large-scale distribution of cosmic rays in right ascension as observed by the Yakutsk array at energies above $10^{18}$ eV |
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