This software was prepared by Space Telescope Science Institute under
U.S. Government contract NAS5-26555. Users shall not, without prior
written permission of the U.S. Government, establish a claim to
statutory copyright.  The Government and others acting on its behalf,
shall have a royalty-free, non-exclusive, irrevocable, worldwide
license for Government purposes to publish, distribute, translate,
copy, exhibit, and perform such material.

