Casda Upload Utility ==================== The CASDA upload utility prepares artifacts for submission to the CSIRO ASKAP Science Data Archive (CASDA). Currently the following artifact types are supported: * Images (FITS format only) * Source Catalogues (VOTable format only) * Visibilities (CASA Measurement Set format only) * Evaluation Pipeline Artifacts (any file format) The utility takes as input one or more of the above file types, plus a configuration parameter set. ... artifacts | ... set | ...

metrologia The leap second: its history and possible future R. A. Nelson, D. D. McCarthy , S. Malys, J. Levine, B. Guinot, H. F. Fliegel , R. L. Beard and T. R. Bartholome w Abstract. This paper reviews the theoretica l motivatio n for the leap second in the context of the historica l evolutio n of time measurement . Th e periodic insertio n of a leap second step into th e scale of Coordinate d Universal Time (UTC) necessitates frequent changes in comple x timekeepin g systems an d is currentl y th e