This directory contains data files for all the spectrophotometric standard stars in the Oke 1990 ( AJ, 99, 1621 ) reference, taken from the CALOBS directory at STScI (see http://www.stsci.edu/hst/observatory/cdbs/astronomical_catalogs.html ) The 'f' files list wavelength ( A ), flux ( ergs/cm/cm/s/A * 10**16 ) and flux ( milli-Jy ) and bin (A). The file name consists of a prefix 'f' and the star name. The 'm' files list wavelength ( A ), AB magnitude and bin (A). The file name consists of a prefix 'm' and the star name. For more details see: http://www.eso.org/sci/observing/tools/standards/spectra/okestandards.html Last update 10 August 2007 by jwalsh at eso.org