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XXI st European Cosmic Ray Symposium Kosice 2008 ^ Tadeusz Wibig University of Łódź A. Sołtan Institute for Nuclear Studies Heavy Cosmic Ray Nuclei from.

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Presentation on theme: "XXI st European Cosmic Ray Symposium Kosice 2008 ^ Tadeusz Wibig University of Łódź A. Sołtan Institute for Nuclear Studies Heavy Cosmic Ray Nuclei from."— Presentation transcript:

1 XXI st European Cosmic Ray Symposium Kosice 2008 ^ Tadeusz Wibig University of Łódź A. Sołtan Institute for Nuclear Studies Heavy Cosmic Ray Nuclei from Extragalactic Sources above The Ankle

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3 R.U. Abbasi et al.., e-Print: arXiv:0804.0382 [astro-ph], Apr. 2008

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6 source (l, b) objects (sources) distance observed angular size A (310 º,20 º ) CEN-A 4.9 Mpc 10º B (190 º, -60 º ) FORNAX NGC 1052 NGC 1407 18 Mpc 22 Mpc 6º C ( 60 º, -45 º ) 33 Mpc 10º

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9 Source A

10 Source B

11 Source C

12 Source A Source B Source C

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14 source (l, b) objects (sources) distance observed angular size IGM deflection A (310 º,20 º ) CEN-A 4.9 Mpc 10º 1.1º B (190 º, -60 º ) FORNAX NGC 1052 NGC 1407 18 Mpc 22 Mpc 6º 2.2º C ( 60 º, -45 º ) 33 Mpc 10º 2.8º

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17 source (l, b) distance observed angular size IGM deflection Galactic deflection deflection A (310 º,20 º ) 4.9 Mpc 10º 1.1º 0.7º 1.3º B (190 º, -60 º ) 20 Mpc 6º 2.2º 0.5º 2.2º C ( 60 º, -45 º ) 33 Mpc 10º 2.8º 0.5º 2.8º

18 source (l, b) distance observed angular size Deflection for Z=1 Z A (310 º,20 º ) 4.9 Mpc 10º 1.3º 7.7 B (190 º, -60 º ) 20 Mpc 6º 2.2º 2.7 C ( 60 º, -45 º ) 33 Mpc 10º 2.8º 3.6

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21 │ J.R.Hoerandel, 36 th COSPAR, Beijin 2006 ; astro-ph/0702370 ■ ● │

22 Conclusions: The extragalactic CR with E > 5.6 10 19 eV from the close AGN do not have to be protons there is not necessary to change of the ‘conventional’ model of nuclear interactions above 60 EeV

23 T. Wibig & A.W. Wolfendale, J.Phys. G34, 1891 (2007) G- and power law EG- the fit A.A. Watson, Proc. 30 th ICRC (Merida) (2007)

24 V.S. Berezinsky & S.I. Grigorieva, Astron. Astrophys. 199, 1 (1998) EG protons only A.A. Watson, Proc. 30 th ICRC (Merida) (2007)

25 T. Wibig & A.W. Wolfendale, J.Phys. G34, 1891 (2007) the quasar source model for protons A.A. Watson, Proc. 30 th ICRC (Merida) (2007)

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