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\title{What do HST and \emph{Chandra} tell us about}
\title{the jet and the nuclear region of}
\title{the radio galaxy 3C 270?\/\altaffilmark{1}}
\author{Marco Chiaberge\/\altaffilmark{2}}
\affil{Space Telescope Science Institute, 3700 San Martin Drive,\\Baltimore, MD 21218; chiab@stsci.edu\\
Istituto di Radioastronomia del CNR, Via P.\ Gobetti 101,\\I-40129 Bologna, Italy}
\author{Roberto Gilli}
\affil{Istituto Nazionale di Astrofisica (INAF), Osservatorio Astrofisico di Arcetri, Largo E.\ Fermi~5, 
I-50125 Firenze, Italy}
\author{F.\ Duccio Macchetto,\altaffilmark{3} William B.\ Sparks}
\affil{Space Telescope Science Institute, 3700 San Martin Drive,\\Baltimore, MD 21218}
\author{Alessandro Capetti}
\affil{Istituto Nazionale di Astrofisica (INAF), Osservatorio Astronomico di Torino, Strada Osservatorio 20, 
I-10025 Pino Torinese, Italy}
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\centerline{\titlelarge To be published in \emph{The Astrophysical Journal}}
\received{7 May 2002}
\accepted{10 September 2002}
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\altaffiltext{1}{\titlelarge Based on observations obtained at the Space Telescope Science Institute, which is operated by the Association of Universities for Research in Astronomy, Inc., under NASA contract NAS 5-26555.}
\altaffiltext{2}{\titlelarge ESA fellow.}
\altaffiltext{3}{\titlelarge On assignment from ESA.}
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