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\SubmittingMemberSurname{Ozernoy}
\SubmittingMemberGivenName{Leonid M.}
\SubmittingMemberEmail{ozernoy@hubble.gmu.edu}
\SubmittingMemberAffil{Phys. Dept. and Inst. for Comp. Sci. \& Inf., George
Mason U., \\ also Lab. for Astr. \& Sol. Phys., NASA/GSFC}

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%       SCIENTIFIC INFORMATION
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\begin{document}

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\Title{PLANCKATOR: an Astrophysical Accelerator to Planck \\Energies.
}

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\AuthorSurname{Ozernoy}
\AuthorGivenName{Leonid M.}
\AuthorAffil{Phys. \& Astr. Dept. {\rm and} Inst. for Comp. Sci. \& Inform., 
George Mason U., {\rm also} Lab. for Astron. \& Sol. Phys., NASA/GSFC
}
\AuthorSurname{Lipunov}
\AuthorGivenName{Vladimir M.}
\AuthorAffil{Phys. Dept. \& Sternberg Astr. Inst., Moscow State U.
}
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\begin{abstract}
A very early Universe is thought to be a site to create a plenty of 
planckeons -- the particles of mass $m_P\simeq \left(\hbar c/G\right)^{1/2} 
\simeq 10^{-5}~{\rm g}$ and energy
$E_P\simeq m_Pc^2\simeq 10^{28}$ eV. Although this very remote epoch is gone,
we show that appropriate conditions to accelerate particles to Planck  
energies exist in the Universe even at very recent epochs in the nuclei of 
galaxies under certain conditions. Those conditions are met during the last
stages of evolution of a supermassive rotating magnetized star -- magnetoid,
or spinar$^{1,2}$ -- before its collapse into a black hole (BH). At that 
stage, a potential drop near a magnetoid of a mass $M$ approches a value of
$\Delta V\simeq c^2G^{-1/2}\simeq 10^{27}$ volts
independent of $M$ -- an unbeatable record ever achievable in the nature.
The particles are accelerated as very narrow beams by the 
induced superstrong electric field up to the maximally achieved energy$^3$ 
$E_{\rm max}\simeq 
Z\sqrt\alpha E_P\sim Z~10^{27}$ eV, $\alpha$ being the fine structure 
constant. A similar process of acceleration in the vicinity of a supermassive 
BH$^3$ meets subtantial difficulties and results in much smaller 
energies for a BH of the same mass. We discuss the processes 
accompanying the particle acceleration, including interactions with
ambient matter and photons and the production of hard 
radiation and high-energy neutrinos. A signature of the 
magnetoid's collapse is a specific pattern of gravitational wave radiation, 
which could be detected by a space detector like LISA.

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{\footnotesize
$^1$L.M. Ozernoy, {\it Sov. Astr.} {\rm 10}, 241 (1966); L.M. 
Ozernoy \& V.V.~Usov, {\it Ap. Sp. Sci.} {\rm 25}, 149 (1973)\\
$^2$P. Morrison, {\it ApJ} {\rm 157}, L 73 (1969)\\
$^3$N.S. Kardashev, {\it MNRAS} {\rm 276}, 515 (1995)}

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\end{abstract}

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