J/ApJ/790/L21ivo://CDS.VizieR/J/ApJ/790/L21doi:10.26093/cds/vizier.17909021CDSAbbasi R.U.Abe M.Abu-Zayyad T.Allen M.Anderson R.Azuma R.,Barcikowski E.Belz J.W.Bergman D.R.Blake S.A.Cady R.Chae M.J.,Cheon B.G.Chiba J.Chikawa M.Cho W.R.Fujii T.Fukushima M.,Goto T.Hanlon W.Hayashi Y.Hayashida N.Hibino K.Honda K.,Ikeda D.Inoue N.Ishii T.Ishimori R.Ito H.Ivanov D.Jui C.C.H.,Kadota K.Kakimoto F.Kalashev O.Kasahara K.Kawai H.Kawakami S.,Kawana S.Kawata K.Kido E.Kim H.B.Kim J.H.Kitamura S.,Kitamura Y.Kuzmin V.Kwon Y.J.Lan J.Lim S.I.Lundquist J.P.,Machida K.Martens K.Matsuda T.Matsuyama T.Matthews J.N.,Minamino M.Mukai K.Myers I.Nagasawa K.Nagataki S.Nakamura T.,Nonaka T.Nozato A.Ogio S.Ogura J.Ohnishi M.Ohoka H.Oki K.,Okuda T.Ono M.Oshima A.Ozawa S.Park I.H.Pshirkov M.S.,Rodriguez D.C.Rubtsov G.Ryu D.Sagawa H.Sakurai N.Sampson A.L.,Scott L.M.Shah P.D.Shibata F.Shibata T.Shimodaira H.Shin B.K.,Smith J.D.Sokolsky P.Springer R.W.Stokes B.T.Stratton S.R.,Stroman T.A.Suzawa T.Takamura M.Takeda M.Takeishi R.Taketa A.,Takita M.Tameda Y.Tanaka H.Tanaka K.Tanaka M.Thomas S.B.,Thomson G.B.Tinyakov P.Tkachev I.Tokuno H.Tomida T.Troitsky S.,Tsunesada Y.Tsutsumi K.Uchihori Y.Udo S.Urban F.Vasiloff G.,Wong T.Yamane R.Yamaoka H.Yamazaki K.Yang J.Yashiro K.,Yoneda Y.Yoshida S.Yoshii H.Zollinger R.Zundel Z.2017-04-24T12:04:32Z2017-03-22T14:27:12ZCDS support team

CDS, Observatoire de Strasbourg, 11 rue de l'Universite, F-67000 Strasbourg, France

cds-question@unistra.frsurveysgamma-ray-astronomyWe have searched for intermediate-scale anisotropy in the arrival directions of ultrahigh-energy cosmic rays with energies above 57 EeV in the northern sky using data collected over a 5 yr period by the surface detector of the Telescope Array experiment. We report on a cluster of events that we call the hotspot, found by oversampling using 20{deg} radius circles. The hotspot has a Li-Ma statistical significance of 5.1{sigma}, and is centered at RA = 146.{deg}7, DE = 43.{deg}2. The position of the hotspot is about 19{deg} off of the supergalactic plane. The probability of a cluster of events of 5.1{sigma} significance, appearing by chance in an isotropic cosmic-ray sky, is estimated to be 3.7x10^-4^ (3.4{sigma}).2014ApJ...790L..21Ahttps://cdsarc.cds.unistra.fr/viz-bin/cat/J/ApJ/790/L21CatalogResearchIsServedByTAP VizieR generic serviceIsServedByConesearch servicerelated-toIX/36 : GRANAT/PHEBUS catalog of cosmic gamma-ray bursts (Terekhov+, 1994-2002)https://cds.unistra.fr/vizier-org/licences_vizier.htmlhttps://vizier.cds.unistra.fr/viz-bin/VizieR-2?-source=J/ApJ/790/L21https://vizier.iucaa.in/viz-bin/VizieR-2?-source=J/ApJ/790/L21http://vizieridia.saao.ac.za/viz-bin/VizieR-2?-source=J/ApJ/790/L21https://vizier.cds.unistra.fr/viz-bin/votable?-source=J/ApJ/790/L21https://vizier.iucaa.in/viz-bin/votable?-source=J/ApJ/790/L21http://vizieridia.saao.ac.za/viz-bin/votable?-source=J/ApJ/790/L21GETtext/xml+votablehttps://tapvizier.cds.unistra.fr/TAPVizieR/tapCone search capability for table J/ApJ/790/L21/table1 (List of Telescope Array events with E >57 EeV and zenith angle {theta} < 55 degrees recorded from 2008 May 11 to 2013 May 4)https://vizier.cds.unistra.fr/viz-bin/conesearch/J/ApJ/790/L21/table1?https://vizier.iucaa.in/viz-bin/conesearch/J/ApJ/790/L21/table1?http://vizieridia.saao.ac.za/viz-bin/conesearch/J/ApJ/790/L21/table1?GETtext/xml+votable180.050000true93.520.820.0055555555555555566/532 608 878 957 1273 1390 1650 2000 2029 2207 2477 2546 3469 3957 4017 4443 4812 4942 5007 5167 5197 5337 5369 5696 5755 5780 5801 5943 6092 6515 6624 7156 7197 7207 7313 7375 7446 7704 8699 8876 8985 10001 10263 10566 11024 11418 11782 11844 12623 12674 13627 14332 14523 14765 14788 14997 15493 15514 20418 21901 21920 23981 24232 25893 26503 27569 28253 28299 30283 30299 31334 36828https://cdsarc.cds.unistra.fr/viz-bin/moc/J/ApJ/790/L21?format=asciiGamma-raydefaultJ/ApJ/790/L21/table1List of Telescope Array events with E >57 EeV and zenith angle {theta} < 55 degrees recorded from 2008 May 11 to 2013 May 4recnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintArrivalArrival YearstimeThetaZenith angledegpos.az.zdfloatEEnergyEeVem.energyfloatRAJ2000Right Ascension in decimal degrees (J2000)degpos.eq.ra;meta.mainDEJ2000Declination in decimal degrees (J2000)degpos.eq.dec;meta.main