Target Description
    ==================
      Early type spectrophotometric standards are taken from the HST
      Calspec database
      (http://www.stsci.edu/hst/observatory/cdbs/calspec.html)
      and from the groundbased data by Hamuy et al. (1992,1994) with
      the correction for the near-IR by Bessell (1999).
 
      Spectral Type           A1V
      Apparent Magnitude V    3.77
      Right Asc   (2000)      20 47 40.4
      Dec         (2000)     -09 29 43
      HR                      7950
      HD                      198001