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   PR # 11144
    0716+714 is one of the most variable BL Lac object and displays cor-
    related radio/optical variation of 1 to 7 days time scale. We propose
    5.6 day simultaneous observ. of 0714 from radio through gamma-rays.
    Main purpose is to observe the short-term variation from radio to
    gamma-rays for the first time and will reveal the leading band, which
    gives strong constraints on the emission process. Multiwavelength var
    iation also restricts the size of emission region.It is also for the
    first time to observe hard X-rays and gamma-rays simultaneously. Many
    blazars are too luminous in gamma-rays to explain with current models
    . Hard X-ray/gamma-ray correlation will be a crutial test of emission
    models.It is scheduled on March 1994 and detailed schedule must be
   adjusted.
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