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   PR # 12100
    The X-ray source X0142+614 has the most extreme 0.5-10 keV ultrasoft
    spectrum known. The spectrum may be similar to that of the black hole
    candidates in their high state. During one EXOSAT observation this
    unidentified source exhibited a hard tail, which was pulsed with a
    period of 25min.During other observations the pulsations were absent.
    The origin of the pulsation remain a mystery. We propose to observe
    this source with ASCA to establish if the pulsations come from this
    source, or from a nearby source. The 0.5-10 keV energy coverage and
    improved spectral resolution of ASCA will be able to investigate the
    ultrasoft spectrum and search for a possible 0.7 keV line seen by the
    Einstein SSS.

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