Statistics – Applications
Scientific paper
May 2011
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011iaus..280p.333e&link_type=abstract
The Molecular Universe, Posters from the proceedings of the 280th Symposium of the International Astronomical Union held in Tole
Statistics
Applications
Scientific paper
The major new facilities, Herschel, SOFIA and ALMA are opening up the submillimeter region by making investigations of unprecedented high sensitivity and angular resolution over a very wide wavelength range. To cope with the amount of data new methods are developed to analyse those spectra using the two major databases for molecular spectroscopy: the Jet Propulsion Laboratory spectral line catalogue (JPL) and the Cologne Database for Molecular Spectroscopy (CDMS). The molecular line lists of each molecule in CDMS (http://www.cdms.de/) are provided as individual entries (ascii files) along with a description of the data provided. A simple webpage allows basic queries and sorting of these files. The JPL catalogue is organized in a very similar fashion. As it turns the ease of use of the catalogues does not match the needs of current analysis tools. Moreover, users would be interested in finding one place to provide the data. In addition, spectroscopic and collisional data are kept in different data bases and, worse, in different data structures. This hinders the use of multiple data which is needed for astronomical and other applications. In order to overcome these limitations the CDMS team supports the development of an interoperable e-Infrastructure within the framework of the Virtual Atomic and Molecular Data Center (VAMDC). As a consequence CDMS undergoes a technical transformation process into a sql database and participates in the development of new common database standards, such as database access, output formats and query definitions. This process comes along with an improvement of the provided data in terms of their physical meaning and description. In an international collaboration this e-Infrastructure is also adapted by the JPL catalogue which will lead to a unification of the catalogues.
Endres Christian
Giesen Thomas
Müller Holger
Schilke Peter
Schlemmer Stefan
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