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   61092
   Many lines of evidence suggest that there are two subgroups in LINERs:
   one is dominated by starburst and the other harbors low-luminosity AGN.
   Recent IR spectroscopic survey showed that infrared line ratios are
   good indicators of the activity. Among the lines, we concentrate on H2
   lines, since our previous ASCA observation of NGC 6240, which is an
   infrared luminous LINCER and have the largest H2/Br-gamma line ratio
   ever observed for galaxies, showed that buried AGN is the dominant
   energy source in the galaxy. No other infrared luminous galaxies have
   AGN as the dominant energy source. In order to check if NGC 6240 is the
   only exceptin, we propose to observe LINERs with strong H2 lines
   emission.
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