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 gcascacatalog.tex ApJS, 2001, in press
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%\slugcomment{2001/05/15 Ver.}

\lefthead{Sakano et al.}
% \righthead{X-ray source catalogue in the {\GC}}
\righthead{X-ray catalogue in the {\GC}}

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\begin{document}

\title{ASCA X-ray source catalogue in the Galactic Center region}
\author{Masaaki Sakano}
\affil{Space Utilization Research Program (SURP),
% Tsukuba Space Center (TKSC),
 National Space Develop Agency of Japan (NASDA),
 2-1-1 Sengen, Tsukuba, Ibaraki 305-8505 Japan,
 \email{sakano@cr.scphys.kyoto-u.ac.jp}}

\and

\author{Katsuji Koyama, 
 Hiroshi Murakami\altaffilmark{1} 
 }
\affil{Department of Physics, Kyoto University,
 Kyoto 606-8502 Japan,
 \email{koyama@cr.scphys.kyoto-u.ac.jp},
 \email{hiro@cr.scphys.kyoto-u.ac.jp}
 }

\and

\author{Yoshitomo Maeda\altaffilmark{1,2}}
\affil{Department of Astronomy and Astrophysics, The Pennsylvania State
University, 525 Davey Lab. University park, PA 16802-6305,
 \email{maeda@astro.psu.edu}}

\and

\author{Shigeo Yamauchi}
\affil{Faculty of Humanities and
 Social Sciences, Iwate University, 3-18-34 Ueda, Morioka, Iwate
 020-8550, Japan, 
 \email{yamauchi@iwate-u.ac.jp}}

\altaffiltext{1}{Research Fellow of the Japan Society for the Promotion of Science.}
\altaffiltext{2}{Subaru Telescope,National Astronomical Observatory of
 Japan, 650 North Aohoku Place, Hilo, HI 96720}

\begin{abstract}

The  ASCA satellite made  107 pointing  observations on a  $5\times 5$ deg$^2$ region around the center of  our Milky Way Galaxy (the Galactic Center)  from 1993 to 1999.
In the X-ray images of the 0.7--3 keV or  3--10 keV bands, we found 52 point sources
and  a dozen diffuse sources. 
All the point sources are uniformly fitted with an absorbed power-law model.
For selected bright sources, Sgr~A$^*$, AX~J1745.6$-$2901, A 1742$-$294, SLX 1744$-$300, GRO~J1744$-$28, SLX 1737$-$282, GRS 1734$-$292, AX J1749.2$-$2725, KS 1741$-$293, GRS 1741.9$-$2853, and an unusual flare source XTE J1739$-$302, we present
further detailed spectral and timing analyses, and discuss on their nature.
A dozen extended X-ray sources comprise radio supernova remnants, giant molecular clouds, and those new discoveries. Most show emission lines from either highly ionized atoms or low-ionized irons.
 The X-ray spectra were fitted with either a thin thermal or power-law model.  
This paper summarizes the results and  provides the ASCA X-ray source catalogue
in the Galactic Center region.

\end{abstract}

\keywords{catalogs
	--- surveys
	--- Galaxy: center
	--- X-rays: general
	--- X-rays: stars
	--- stars: general
}

\section{INTRODUCTION \label{sec:intro}}

\end{document}